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TMA

Name: TMA
Brand: RSAA
SKU: pr2406071215
Price: 1600 USD
Availability: InStock

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Unit Price:

$1600-2000/MT FOB

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CAS No.:

552-30-7

Grade:

Industrial Grade

Content:

99%

Port:

RSA

Brand:

RSAA

Packaging:

50KG

Price valid (until):

2031-07-05

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M A M M TRANDING ENTERPRISE

Company Type:

Trader

Location:

South Africa

Qualification:

Main Products:

chemical

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Seller Information
Inquiry History

Description

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TMA High quality factory price CAS 552-30-7 Trimellitic Anhydride TMA

( W~ha~ts~Ap`p+86 18~56~1~39`~09~0`8)

Product Description

Melting point	163-166 °C (lit.)
Boiling point	390 °C
density	1.54
vapor density	6.6 (vs air)
vapor pressure	<0.01 mm Hg ( 20 °C)
refractive index	1.4717 (estimate)
Fp	227 °C
storage temp.	Store below +30°C.
solubility	24.4g/l (decomposition)
form	Flakes
pka	3.11±0.20(Predicted)
color	White to off-white
PH	2 (21g/l, H2O, 20ºC)
explosive limit	1-7%(V)
Water Solubility	DECOMPOSES
Sensitive	Moisture Sensitive
Merck	149,703
BRN	9394
Stability:	Stable. Moisture sensitive.
InChIKey	SRPWOOOHEPICQU-UHFFFAOYSA-N
CAS DataBase Reference	552-30-7(CAS DataBase Reference)
NIST Chemistry Reference	Trimellitic anhydride(552-30-7)
EPA Substance Registry System	Trimellitic anhydride (552-30-7)

Application

Trimellitic Anhydride widely used as the clad material of electrical components, internal electric wires of vehicles, and semiconductors, etc., as well as, automotive cable, car upholstery, artificial leather, washing machine drain hose, venetian blinds, sealing materials and packing, etc.Mainly used for F and H grades motor insulation materials, which can be long-term used at 230-250 ºC. Additionally, it can be used for manufacturing the molded plastic parts of electrical components, valve parts, bearings, jet engine parts, and others.Mainly used as the prime coat of automotive, electrical appliances and mechanical products, and also used as the surface paint of kitchen, furniture and others, as well as, used for the industrial building materials and commonly paints, etc. It is widely used for the places with higher decorative, anti-corrosion requirements, such as, household appliances, bicycles, doors, windows and others. And used as the heat resistant insulating laminates, synthetic dyes, heat resistant varnish, stabilizer, fiber softening agent, pigment, water treatment agent, cinefilm and surface active agent, etc.

Items	Specifications

Basic Info

Product Name:

Trimellitic anhydride

Other Name:

5-Isobenzofurancarboxylic acid,1,3-dihydro-1,3-dioxo-;1,2,4-Benzenetricarboxylic acid,cyclic 1,2-anhydride;Trimellitic acid anhydride;1,2,4-Benzenetricarboxylic acid,anhydride;1,3-Dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid;Anhydrotrimellitic acid;1,3-Dioxo-5-phthalancarboxylic acid;Trimellitic acid 1,2-anhydride;Trimellitic anhydride;1,2,4-Benzenetricarboxylic anhydride;Trimellitic acid cyclic 1,2-anhydride;4-Carboxyphthalic anhydride;Epon 9150;1,2,4-Benzenetricarboxylic acid 1,2-anhydride;NSC 60252;Benzene-1,3,4-tricarboxylic anhydride;TMA (anhydride);TMA;CE-X 23 Medium;Aradur 3380-1;1,3-Dioxo-1,3-dihydroisobenzofuran-5-carboxylic acid;1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carboxylic acid;28605-64-3;68864-89-1;70425-46-6;928770-37-0;2088100-85-8

CAS No.:

552-30-7

Molecular Formula:

C9H4O5

InChIKeys:

InChIKey=SRPWOOOHEPICQU-UHFFFAOYSA-N

Molecular Weight:

192.12500

Exact Mass:

192.13

EC Number:

209-008-0

UNII:

80T61EUU7H

ICSC Number:

0345

NSC Number:

60252

DSSTox ID:

DTXSID7026235

Color/Form:

Crystals|Colorless solid

HScode:

29173980

Categories:

Coating Additive

Characteristics

PSA:

80.67000

XLogP3:

0.69540

Appearance:

Crystals or off-white flakes. (NTP, 1992)

Density:

1.54

Melting Point:

161-163.5 °C

Boiling Point:

390 °C

Flash Point:

227ºC

Refractive Index:

1.662

Water Solubility:

Decomposes in water

Storage Conditions:

Store in a cool, dry place. Store in a tightly closed container.

Vapor Pressure:

<0.01 mm Hg ( 20 °C)

Vapor Density:

6.6 (vs air)

Toxicity:

LD50 orally in Rabbit: > 2730 mg/kg LD50 dermal Rabbit 23000 mg/kg

Flammability characteristics:

Combustible Solid

Explosive limit:

Finely dispersed particles form explosive mixtures in air.

Experimental Properties:

Hydrolyzes in aqueous environment to trimellitic acid.|Hydrolysis rate constant of trimellitic anhydride at 25 °C using dimethylacetamide as a solvent: 1X10-4 L/mole-sec|Trimellitic anhydride reacts with acetic acid and water, and is hygroscopic.|Trimellitic anhydride reacts with atmospheric moisture, even at room temperature, to revert to the acid.|For more Other Experimental Properties (Complete) data for TRIMELLITIC ANHYDRIDE (7 total), please visit the HSDB record page.

Air and Water Reactions:

Sensitive to moisture. Hydrolyzes slowly. Solutions in water or alcohol may be unstable. Insoluble in water.

Reactive Group:

Acids, Carboxylic

Reactivity Profile:

TRIMELLITIC ANHYDRIDE reacts exothermically with water. This reaction is expected to be slow, but can become vigorous if local heating accelerates it. Reaction with water is accelerated by acids. Incompatible with acids, strong oxidizing agents, alcohols, amines, and bases. Incompatible with strong oxidizing agents, strong acids or strong bases. (NTP, 1992).

Flammable Limits:

Combustible Solid

Physical Dangers:

Dust explosion possible if in powder or granular form, mixed with air. If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc.

Heat of Vaporization:

106.2 kJ/mol at 200 °C; 100.4 kJ/mol at 300 °C

Critical Temperature & Pressure:

569 °C at 2968 kPa

See More Trimellitic anhydride Properties 

Hazard Identification

Classification of the substance or mixture

Serious eye damage, Category 1

Skin sensitization, Category 1

Specific target organ toxicity â single exposure, Category 3

Respiratory sensitization, Category 1

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H318 Causes serious eye damage H317 May cause an allergic skin reaction H335 May cause respiratory irritation H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Prevention	P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P271 Use only outdoors or in a well-ventilated area. P284 [In case of inadequate ventilation] wear respiratory protection.
Response	P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P317 Get medical help. P302+P352 IF ON SKIN: Wash with plenty of water/... P333+P317 If skin irritation or rash occurs: Get medical help. P321 Specific treatment (see ... on this label). P362+P364 Take off contaminated clothing and wash it before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell. P342+P316 If experiencing respiratory symptoms: Get emergency medical help immediately.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames. Prevent build-up of electrostatic charges (e.g., by grounding). Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. 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

Dry. Separated from bases and strong oxidants. Ventilation along the floor.Dry. Separated from bases and strong oxidants. Ventilation along the floor.

See More Trimellitic anhydride Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
chemical

Location:
PO BOX 1381 BURGERSFORT BURGERSFORT LIMPOPO

Payment Terms:
TT against copy of documents,L/C,100% TT in advance

Average lead Time:
30

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
11-50

Year of Establishment:
2021

M A M M TRANDING ENTERPRISE is a leading Trader supplier of Poly(vinyl alcohol), Calcium carbonate, Tetrachloroethylene based in South Africa. With a commitment to quality and customer satisfaction, M A M M TRANDING ENTERPRISE has become a trusted name in the industry. Our product line includes a range of high-quality Poly(vinyl alcohol), Calcium carbonate, Tetrachloroethylene, which are available at competitive prices. M A M M TRANDING ENTERPRISE has established itself as a reliable supplier of chemical products on the echemi.com.

Inquiry History

22 Inquiries

Country	Product	Purchase Quantity	Date Posted
Russia	Trimellitic Anhydride (TMA) 97 552-30-7 1,2,4-Benzenetricarboxylic anhydrid	175 MT	Jun 24, 2026
India	Trimellitic Anhydride	1 KG	Nov 30, 2023
Turkey	Trimellitic Anhydride	300 MT	Aug 7, 2023
India	Tri Mellitic Anhydride	300 MT	Jun 30, 2025
Poland	Trimellitic anhydride	40 MT	Apr 18, 2025
India	Trimellitic anhydride	100 KG	Dec 17, 2024
India	TRIMELLITIC ANHYDRIDE	1 MT	Oct 16, 2024
South Korea	trimellitic anhydride	3 MT	Oct 11, 2024
South Korea	Trimellitic anhydride	1 20' Fcl	Jul 9, 2024
Slovakia	Trimellitic Anhydride	23 MT	Jul 9, 2024
South Korea	Trimellitic Anhydride	20 MT	May 28, 2024
Mexico	Trimellitic Anhydride (TMA)	100 TON	May 13, 2025
India	trimellitic anhydride	1.00 TON	Jan 21, 2025
India	Trimellitic anhydride	25 KG	Dec 11, 2024
Brazil	Trimellitic Anhydride	20 TON	Oct 28, 2024
India	Trimellitic Anhydide	1 MT	Oct 25, 2024
India	TRI MALETIC ANHYDRIDE	1000 KG	Jul 22, 2024
India	Trimellitic Anhydride	1 MT	Nov 30, 2023
India	Trimelletic Anhydride	1 20' Fcl	Apr 14, 2026
India	Trimellitic anhydride	1000 KG	Jul 22, 2024

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