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N,N-BIS(CARBOXYMETHYL)-L-GLUTAMIC ACID TETRASODIUM SALT 99% white powder GLDA CAS 51981-21-6

Name: N,N-BIS(CARBOXYMETHYL)-L-GLUTAMIC ACID TETRASODIUM SALT 99% white powder GLDA CAS 51981-21-6
Brand: EAST CHEMSOURCES LIMITED
SKU: pr2405111145
Price: 220 USD
Availability: InStock

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CAS No.:

51981-21-6

Grade:

Industrial Grade

Content:

47.18%

Port:

Any port in China

Brand:

EAST CHEMSOURCES LIMITED

Packaging:

1250kg/IBC

Price valid (until):

2024-06-11

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QINGDAO EAST CHEMSOURCES TRADE CO.,LTD

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Location:

China

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Product Description
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Inquiry History

Description

Shop GLDA-4NA 47% L-Glutamic acid-Detailed Image 1

1.1. Product identifier

Product Name

GLDA 4NA 38-47%

CAS number

Tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate:

51981-21-6

EC number

Tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate:

257-573-7

REACH registration number Tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate:

01-2119493601-38-****

1.2. Relevant identified uses of the substance or mixture and uses advised against

Recommended Use

For more detail information, please refer to Annex (Exposure Scenarios).

Uses advised against

No information available

SECTION 2: Hazards identification

2.1. Classification of the substance or mixture

Classification according to Regulation (EC) No. 1272/2008 [CLP]

Corrosive to metals, Category 1 – (H290)

Skin corrosion/irritation Category 1 Sub-category B - (H314)

Serious eye damage/eye irritation Category 1 - (H318)

In the absence of any other information, a substance is considered as corrosive to skin (Skin Corrosion Category 1) if

it has a pH ≤ 2 or a pH ≥ 11,5.

2.2. Label elements

Hazard pictograms

Signal word

Danger

Hazard Statements

H290 - May be corrosive to metals.

H314 - Causes severe skin burns and eye damage

Precautionary Statements

P260 - Do not breathe dust/fume/gas/mist/vapors/spray

P280 - Wear protective gloves/protective clothing/eye protection/face protection

P234 - Keep only in original packaging.

P303 + P361 + P353 - IF ON SKIN (or hair): Remove/Take off immediately all

contaminated clothing. Rinse skin with water/shower

P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several

minutes. Remove contact lenses, if present and easy to do. Continue rinsing

P310 - Immediately call a POISON CENTER or doctor/physician

P390 - Absorb spillage to prevent material damage.

P405 - Store locked up

P501 - Dispose of contents/ container to an approved waste disposal plant

EUH-statements

None.

2.3. Other hazards

Other hazards which do not result in

classification

: No information available.

This substance/mixture does not meet the PBT criteria of REACH regulation, annex XIII

This substance/mixture does not meet the vPvB criteria of REACH regulation, annex XIII

Adverse effects on the environment

caused by endocrine disrupting

properties

: The mixture does not contain substance(s) included in the list established

in accordance with Article 59(1) of REACH for having endocrine

disrupting properties, or is not identified as having endocrine disrupting

properties in accordance with the criteria set out in Commission

Delegated Regulation (EU) 2017/2100 or Commission Regulation (EU)

2018/605 at a concentration equal to or greater than 0,1 %

SECTION 3: Composition/information on ingredients

3.1. Mixture

Chemical Name

EC No

CAS No

Weight-%

Classification according to Regulation

(EC) No. 1272/2008 [CLP]

Tetrasodium

N,N-bis(carboxylatome

thyl)-L-glutamate

257-573-7

51981-21-6

38-47

Not Classified

SECTION 4: First aid measures

4.1. Description of first aid measures

General advice

In case of accident or unwellness, seek medical advice immediately (show directions for use or safety data sheet if

possible).

Inhalation

Dust may be irritating to the respiratory tract and cause symptoms of bronchitis. Move to fresh air. If symptoms

persist, seek medical advice.

Skin Contact

Wash off immediately with soap and plenty of water while removing all contaminated clothes and shoes. Wash

contaminated clothing before reuse. If skin irritation persists, call a physician.

Eye contact

Rinse thoroughly with plenty of water. Eyelids should be held away from the eyeball to ensure thorough rinsing.

Seek medical advice.

Ingestion

Rinse mouth. Never give anything by mouth to an unconscious person. Do NOT induce vomiting. Call a POISON

CENTER or doctor/physician if you feel unwell.

4.2. Most important symptoms and effects, both acute and delayed

Causes severe skin burns and eye damage

4.3. Indication of any immediate medical attention and special treatment needed

Treat symptomatically.

SECTION 5: Firefighting measures

5.1. Extinguishing media

Suitable extinguishing media

Dry chemical, CO2, water spray or regular foam.

Unsuitable extinguishing media

No information available

5.2. Special hazards arising from the substance or mixture

Thermal decomposition can lead to release of irritating and toxic gases and vapors. Nitrous gases may be

produced.

5.3. Advice for firefighters

Firefighters should wear self-contained breathing apparatus and full firefighting turnout gear.

SECTION 6: Accidental release measures

6.1. Personal precautions, protective equipment and emergency procedures

Evacuate personnel to safe areas

Avoid contact with skin, eyes or clothing

Ensure adequate ventilation, especially in confined areas

Do not breathe dust/fume/gas/mist/vapors/spray

6.2. Environmental precautions

Prevent product from entering drains

6.3. Methods and material for containment and cleaning up

Absorb with earth, sand or other non-combustible material and transfer to containers for later disposal

6.4. Reference to other sections

See Section 7 for more information

See section 8 for more information

See section 13 for more information

SECTION 7: Handling and storage

7.1. Precautions for safe handling

Handle in accordance with good industrial hygiene and safety practice

Avoid contact with skin, eyes or clothing

Do not breathe dust/fume/gas/mist/vapors/spray

Use only with adequate ventilation and in closed systems

Do not handle until all safety precautions have been read and understood

Always wear a self-contained breathing apparatus or full-face airline respirator when using this chemical

7.2. Conditions for safe storage, including any incompatibilities

Keep tightly closed in a dry and cool place

Keep away from heat

Keep out of the reach of children

Avoid contact with aluminium, zinc, nickel, copper and copper alloys in combination with humidity/ water.

7.3. Specific end use(s)

Apart from the uses mentioned in SECTION 1.2 no other specific uses are stipulated.

SECTION 8: Exposure controls/personal protection

8.1. Control parameters

Exposure Limits

This product, as supplied, does not contain any hazardous materials with occupational exposure limits established

by the region specific regulatory bodies.

Tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate

Derived No Effect Level (DNEL)

Workers

Inhalation -Systemic effects- Long term exposure

7.3 mg/m�

Dermal-Systemic effects- Long term exposure

15000 mg/kg bw/day

General Population

Inhalation-Systemic effects- Long term exposure

1.8 mg/m�

Dermal-Systemic effects- Long term exposure

7500 mg/kg bw/day

Oral-Systemic effects- Long term exposure

1.5 mg/kg bw/day

Tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate

Predicted No Effect Concentration (PNEC)

Freshwater

9.45 mg/L

Freshwater -Intermittent releases

0.953mg/L

Marine water

0.945 mg/L

Marine water-Intermittent releases

0.095mg/L

Sewage treatment plant

41.2 mg/L

Soil

0.5 mg/kg soil dw

Secondary poisoning

67 mg/kg food

8.2. Exposure controls

Engineering Controls

Ensure adequate ventilation, especially in confined areas.

Personal protective equipment

Eye/face protection

Wear safety glasses with side shields (or goggles)

Hand Protection

For full contact use, 100% Viton gloves conforming to EN 374, e.g. KCL Vitoject

890 are recommended. If used under conditions other than given above it is

recommended that a supplier of CE approved gloves is contacted. These

recommendations are only applicable to the chemical as supplied by Akzo Nobel.

Skin and body protection

Suitable protective clothing

Respiratory protection

In case of dust formation use dust mask. Dust exposure limits have to be

respected.

Thermal hazard protection

Wear suitable protective clothing.

Environmental exposure controls

Do not allow into any sewer, on the ground or into any body of water

SECTION 9: Physical and chemical properties

9.1. Information on basic physical and chemical properties

Appearance

Liquid

Color

Light yellow

Odor

WITH SLIGHT AMMONIA ODOUR

Odor Threshold

Not determined

11-12.0

Melting point/freezing point

<5℉ / <-15℃ [crystallization point]

Boiling point / boiling range

221-230℉ (105-110℃)

Flash point

Not applicable

Evaporation rate

Not determined

Flammability (solid, gas)

Not flammable or combustible

Flammability Limit in Air

Not applicable

Vapor Pressure

Same as water

Vapor density (air=1)

Same as water

Density

1.33-1.42 g/cm3

Relative density

Not determined

Bulk density

Not applicable

Specific gravity

1.33-1.42

Water solubility

miscible

Partition coefficient

log Pow<0

Autoignition temperature

Not applicable

Decomposition temperature

Not determined

Kinematic viscosity

Not determined

Dynamic viscosity

Not determined

Explosive properties

Non explosive

Oxidizing properties

No oxidising properties

9.2. Other information

No information available

SECTION 10: Stability and reactivity

10.1. Reactivity

Stable under normal conditions.

10.2. Chemical stability

Stable under recommended storage conditions.

10.3. Possibility of hazardous reactions

Corrosivity to metals

10.4. Conditions to avoid

Strong heating.

Incompatible materials

10.5. Incompatible materials

Strong oxidizing agents. Strong acids. Strong bases.

Material to avoid :

Copper

Aluminium

Zinc

Copper alloys

Nickel

10.6. Hazardous decomposition products

Carbon monoxide

Carbon dioxide (CO2)

Nitrogen oxides (NOx)

SECTION 11: Toxicological information

11.1. Information on toxicological effects

Acute toxicity

Chemical Name

Oral LD50

Dermal LD50

Inhalation LC50

Tetrasodium

N,N-bis(carboxylatomethyl)-L-gl

utamate (GLDA-4NA) (CAS #:

51981-21-6)

LD50> 2000 mg/kg bw(rat)

LD50> 2000 mg/kg bw(rat) LC50: >4.2 mg/L air (analytical)

(male/female) (limit test)

Skin corrosion/irritation

Causes severe skin burns, due to the pH ≥ 11,5.

Serious eye damage/eye irritation

Causes severe eye damage, due to the pH ≥ 11,5.

Sensitization

Not classified.

No adverse effect observed (not sensitising)

Germ cell mutagenicity

Not classified.

Carcinogenicity

Not classified

Reproductive toxicity

Not classified.

STOT - single exposure

Not classified.

STOT - repeated exposure

Not classified.

No adverse effect observed (NOAEL) 908mg/kg bw/day (subchronic); (rat [common rodent species])

Aspiration hazard

Not classified.

11.2. Information on other hazards

11.2.1. Endocrine disrupting properties

The mixture does not contain substance(s) included in the list established in accordance with Article 59(1) of

REACH for having endocrine disrupting properties, or is not identified as having endocrine disrupting properties in

accordance with the criteria set out in Commission Delegated Regulation (EU) 2017/2100 or Commission

Regulation (EU) 2018/605 at a concentration equal to or greater than 0,1 %

11.2.2. Other information

No information available

SECTION 12: Ecological information

12.1. Toxicity

Oncorhynchus mykiss (previous name: Salmo

gairdneri)

freshwater

short-term toxicity to fish

according to OECD Guideline 203 (Fish, Acute Toxicity

Test)

LC50 (96h): >100 mg/L test mat. (nominal) based on:

mortality

LC50 (96h): >95.26 mg/L act. ingr. - 4.74% water

(nominal) based on: mortality

Danio rerio (previous name: Brachydanio rerio)

freshwater

fish short-term toxicity test on embryo and sac-fry

stages

according to OECD Guideline 212 (Fish, Short-term

Toxicity Test on Embryo and Sac-Fry Stages)

NOEC (9d): 103 mg/L test mat. (nominal) based on:

number hatched

NOEC (9d): 94.55 mg/L act. ingr. - 5.5% w/w water

(nominal) based on: number hatched

NOEC (9d): >=500 mg/L test mat. (nominal) based on:

length

NOEC (9d): >=500 mg/L test mat. (nominal) based on:

weight

NOEC (9d): 227 mg/L test mat. (nominal) based on:

survival (post hatch and overall)

LOEC (9d): 227 mg/L test mat. (nominal) based on:

number hatched

LOEC (9d): >500 mg/L test mat. (nominal) based on:

length

LOEC (9d): >500 mg/L test mat. (nominal) based on:

weight

LOEC (9d): 500 mg/L test mat. (nominal) based on:

survival (post hatch and overall)

EC10 (9d): 125 mg/L test mat. (nominal) based on:

inhibition of hatch 0-4 days (95% C.I. 103-227 mg/L)

EC10 (9d): 114.8 mg/L act. ingr. - 5.5% water

(nominal) based on: inhibition of hatch 0-4 days

LC10 (9d): 153 mg/L test mat. (nominal) based on:

mortality (95% C.I. 103-227 mg/L)

Daphnia magna

freshwater

static

according to OECD Guideline 202 (Daphnia sp. Acute

Immobilisation Test)

EC50 (48h): >100 mg/L test mat. (nominal) based on:

mobility

EC50 (48h): >95.26 mg/L act. ingr. - 4.74% water

(nominal) based on: mobility

Daphnia magna

freshwater

NOEC (21d): >=265.7 mg/L test mat. (nominal) based

on: reproduction - and parental length

long-term toxicity to aquatic invertebrates

according to OECD Guideline 211 (Daphnia magna

Reproduction Test) ; according to EU Method C.20

(Daphnia magna Reproduction Test)

Not relevant

NOEC (21d): >=248.4 mg/L act. ingr. - 93.5% test

substance (+ impurities) (nominal) based on:

reproduction and parental length

LOEC (21d): >265.7 mg/L test mat. (nominal) based

on: reproduction - and parental length

Desmodesmus subspicatus (previous name:

Scenedesmus subspicatus) (algae)

freshwater

toxicity to aquatic algae and cyanobacteria

according to OECD Guideline 201 (Alga, Growth

Inhibition Test) [before 23 March 2006]

NOEC (72h): >=100 mg/L test mat. (nominal) based

on: growth rate - and biomass

NOEC (72h): >=94.99 mg/L act. ingr. - 5.01% w/w

water (nominal) based on: growth and biomass

12.2. Persistence and degradability

Biodegradation in water: readily biodegradable

12.3. Bioaccumulative potential

No information available.

12.4. Mobility in soil

No information available

12.5. Results of PBT and vPvB assessment

Tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate is not PBT / vPvB

12.6. Endocrine disrupting properties Other adverse effects

The mixture does not contain substance(s) included in the list established in accordance with Article 59(1) of

REACH for having endocrine disrupting properties, or is not identified as having endocrine disrupting properties in

accordance with the criteria set out in Commission Delegated Regulation (EU) 2017/2100 or Commission

Regulation (EU) 2018/605 at a concentration equal to or greater than 0,1 %

12.7. Other adverse effects

No information available

SECTION 13: Disposal considerations

13.1. Waste treatment methods

Waste from residues/unused

products

Disposal should be in accordance with applicable regional, national and local laws

and regulations

Contaminated packaging

Empty containers should be taken for local recycling, recovery or waste disposal.

SECTION 14: Transport information

14.1 UN Number

3267

14.2 Proper shipping name

CORROSIVE LIQUID, BASIC,

ORGANIC, N.O.S.(contains Tetrasodium

N,N-bis(carboxylatomethyl)-L-glutamate (GLDA-4NA) )

14.3 Hazard Class

14.4 Packing Group

III

14.5 Environmental hazards

Not marine pollutant

14.6 Special precautions

No information available

14.7 Transport in bulk according to Annex II of

MARPOL 73/78 and the IBC Code

Not applicable

SECTION 15: Regulatory information

15.1. Safety, health and environmental regulations/legislation specific for the substance or mixture

European Union

Take note of Directive 98/24/EC on the protection of the health and safety of workers from the risks related to

chemical agents at work

Take note of Directive 94/33/EC on the protection of young people at work

Take note of Directive 92/85/EC on the protection of pregnant and breastfeeding women at work

International Inventories

Component

TSCA

DSL/NDSL EINECS/ELI

NCS

ENCS

IECSC

KECL

PICCS

AICS

Tetrasodium

N,N-bis(carboxylato

methyl)-L-glutamate

(GLDA-4NA)

15.2. Chemical safety assessment

A chemical safety assessment has been carried out

SECTION 16: Other information

This material safety data sheet complies with the requirements of Regulation (EC) No. 1907/2006

Issue Date

30-Jul-2014

Revision date

18-Jul-2022

Revision Note

Remove the obsolete regulation information

Revise the GHS classification

Key or legend to abbreviations and acronyms used in the safety data sheet

TWA - TWA (time-weighted average) Product Name GLDA 4NA 38

-47%

Revision date 18- Jul-2022

_____________________________________________________________________________________________

Page 11 / 11

STEL - STEL (Short Term Exposure Limit)

Ceiling - Maximum limit value

TSCA - United States Toxic Substances Control Act Section 8(b) Inventory

DSL/NDSL - Canadian Domestic Substances List/Non-Domestic Substances List

EINECS/ELINCS - European Inventory of Existing Chemical Substances/European List of Notified Chemical Substances

ENCS - Japan Existing and New Chemical Substances

IECSC - China Inventory of Existing Chemical Substances

KECL - Korean Existing and Evaluated Chemical Substances

PICCS - Philippines Inventory of Chemicals and Chemical Substances

AICS - Australian Inventory of Chemical Substances

Full text of H-Statements referred to under section 3

H314 - Causes severe skin burns and eye damage

H318 - Causes serious eye damage

H290 - May be corrosive to metals.

Disclaimer

The information provided in this Material Safety Data Sheet is correct to the best of our knowledge, information and

belief at the date of its publication. The information given is designed only as a guidance for safe handling, use,

processing, storage, transportation, disposal and release and is not to be considered a warranty or quality

specification. The information relates only to the specific material designated and may not be valid for such material

used in combination with any other materials or in any process, unless specified in the text.

-------- End of Safety Data Sheet --------

Pls input...

Shop GLDA-4NA 47% L-Glutamic acid-Detailed Image 2

Items	Specifications
PURITY	47% MIN
NTA-3Na	0. 1%MAX
PH @ 1%solution	11.0- 12.0
Colourimetry	250MAX
APPEARANCE	SLIGHTLY YELLOW TRANSPARENT LIQUID

Shop GLDA-4NA 47% L-Glutamic acid-Detailed Image 3

Shop GLDA-4NA 47% L-Glutamic acid-Detailed Image 4

ECHEMI Editorial Reference

DryPowder; Liquid

Basic Info

Product Name:

Glutamic acid diacetate tetrasodium salt

Other Name:

L-Glutamic acid,N,N-bis(carboxymethyl)-,sodium salt (1:4);L-Glutamic acid,N,N-bis(carboxymethyl)-,tetrasodium salt;N,N-Bis(carboxymethyl)glutamic acid tetrasodium salt;Tetrasodium N,N-bis(carboxymethyl)-L-glutamate;L-Glutamic acid-N,N-di(acetic acid) tetrasodium salt;N,N-Bis(carboxymethyl)glutamate tetrasodium salt;Glutamic acid diacetate tetrasodium salt;Glutamic acid N,N-diacetic acid sodium salt;Chelest CMG 40;GLDA 4Na-R;Tetrasodium N,N-Dicarboxymethyl-L-glutamate;Dissolvine GL 38;Dissolvine GL 47;Disolvine GL;Dissolvine GL-PD;Dissolvine GL 47S;Dissolvine GL-PD-S;Dissolvine PD-S 2;N,N-Bis(carboxymethyl)-L-Glutamic acid tetrasodium salt;Tetrasodium GLDA;Tetrasodium glutamate diacetate;GLDA 47;GL 47S;Dissolvine GL 45;L-Glutamic acid,N,N-diacetyl-,sodium salt (1:4);Dissolvine GDA 47S;1612894-51-5

CAS No.:

51981-21-6

Molecular Formula:

C9H13NO8.4Na

InChIKeys:

InChIKey=ZVRFJQNFBZALQD-OUTKXMMCSA-N

Molecular Weight:

351.13

Exact Mass:

350.99200

EC Number:

257-573-7

UNII:

5EHL50I4MY

DSSTox ID:

DTXSID2052158

Categories:

Antioxidants

Characteristics

PSA:

164

XLogP3:

-6.56320

See More Glutamic acid diacetate tetrasodium salt Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Glutamic acid diacetate tetrasodium salt Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Food additives,Pharmaceutical raw materials,Chemicals,Comestic raw materials

Location:
Room 501, Unit 6, No. 40, hushan road,Licang,Qingdao

Payment Terms:
TT against copy of documents,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
11-50

Year of Establishment:
2017

QINGDAO EASTCHEMSORCES TRADE LIMITED is a leading Manufactory supplier of Sorbitol, Citric acid, Sodium hypochlorite based in Qingdao, Shandong, China. With a commitment to quality and customer satisfaction, QINGDAO EASTCHEMSORCES TRADE LIMITED has become a trusted name in the industry. Our product line includes a range of high-quality Sorbitol, Citric acid, Sodium hypochlorite, which are available at competitive prices. QINGDAO EASTCHEMSORCES TRADE LIMITED has established itself as a reliable supplier of chemical products on the echemi.com.

Inquiry History

4 Inquiries

Country	Product	Purchase Quantity	Date Posted
United States	GLDA, tetrasodium salt (powder form)	25 KG	Dec 9, 2025
Australia	Tetrasodium Glutamate Diacetate	25 KG	Oct 8, 2025
Mexico	Glutamic acid diacetate tetrasodium salt	50 KG	Feb 5, 2025
United States	Alcohols, C9-11, ethoxylated	279.2 KG	Sep 22, 2025

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N,N-BIS(CARBOXYMETHYL)-L-GLUTAMIC ACID TETRASODIUM SALT 99% white powder GLDA CAS 51981-21-6

Product Description

Seller Information

Inquiry History

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

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