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Disodium pyrophosphate,CAS 7758-16-9

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CAS No.:

7758-16-9

Port:

Shang hai

Packaging:

25kg/drum

Price valid (until):

2025-09-11

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PROVCHEM

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Items	Specifications
Appearance	white powder
Melting Point	988℃
Water Solubility	H2O: 0.1M at 20 ℃, clear,colorless

Disodium pyrophosphate Use and Manufacturing
Methods of Manufacturing
REACTION OF SODIUM CARBONATE WITH PHOSPHORIC ACID, FOLLOWED BY HEATING OF THE RESULTING MONOSODIUM PHOSPHATE TO 220 DEGREES C|Incomplete decomp of monobasic sodium phosphate. /Hexahydrate/

Uses
Electroplating, metal cleaning and phosphatising, drilling muds, baking powders and leavening agent, buffer, sequestrant, peptising agent in cheese and meat products, frozen desserts.
Corrosion inhibitors and anti-scaling agents
Metal products not covered elsewhere

Basic Info

Product Name:

Disodium pyrophosphate

Other Name:

Diphosphoric acid,sodium salt (1:2);Pyrophosphoric acid,disodium salt;Diphosphoric acid,disodium salt;Sodium pyrophosphate (Na2H2P2O7);Disodium dihydrogen pyrophosphate;Disodium pyrophosphate;Dihydrogen disodium pyrophosphate;Disodium acid pyrophosphate;Disodium dihydrogen diphosphate;Disodium diphosphate;Disodium pyrophosphate (Na2H2P2O7);Sodium hydrogen phosphate (Na2H2P2O7);Disodium dihydrogen diphosphate (Na2H2P2O7);SAPP-RD 1;SAPP;SAPP 40;E 450i;10101-84-5

CAS No.:

7758-16-9

Molecular Formula:

H4O7P2.2Na

InChIKeys:

InChIKey=PPJGSBMKHZFHFF-UHFFFAOYSA-N

Molecular Weight:

221.939

Exact Mass:

221.907

EC Number:

231-835-0

UNII:

H5WVD9LZUD

DSSTox ID:

DTXSID8028842

Color/Form:

White crystalline powder

HScode:

28353990

Categories:

Chelating

Characteristics

PSA:

149.57

XLogP3:

0.0648

Appearance:

white powder

Density:

2.311 g/cm3 (25°C)

Melting Point:

988°C

Water Solubility:

H2O: 0.1 M at 20 °C, clear, colorless

Storage Conditions:

Warehouse ventilation dry at low temperature

Toxicity:

Oral - mouse LD50: 2650 mg / kg

PH:

Between 3,7 and 5,0 (1 % solution)

Experimental Properties:

Decomp @ 220 °C; water soln having acid reaction|MONOCLINIC CRYSTALS; SOLUBILITY IN WATER @ 0 °C: 6.9 G/100 CC; SOLUBILITY IN WATER @ 40 °C: 35 G/100 CC; INDEX OF REFRACTION: 1.4599, 1.4645, 1.4649 /HEXAHYDRATE/

See More Disodium pyrophosphate Properties 

Hazard Identification

Classification of the substance or mixture

Eye irritation, Category 2

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H319 Causes serious eye irritation
Prevention	P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
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 Disodium pyrophosphate Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate

Location:
9F/TOWER B DANING MUSIC PLAZA NO.777, WANRONG ROAD JINGAN, DISTRICT, SHANGHAI, R.P. CHINA

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

Average lead Time:
14

Total Annual Revenue:
$2.5 million-$5 million

Total Employees:
5-10

Year of Establishment:
2022

Inquiry History

10 Inquiries

Country	Product	Purchase Quantity	Date Posted
Denmark	Food Additive E450i SAPP/Sodium Acid Pyrophosphate CAS 7758-16-9	25 MT	Nov 16, 2023
Pakistan	Sodium Acid Pyrophosphate (Sapp)	1.00 KG	Jun 22, 2026
India	Sodium acid pyrophosphate (ROR15)	5000.00 KG	Apr 16, 2026
India	sodium acid pyrophosphate 40	2000.00 KG	Oct 8, 2024
Brazil	SODIUM ACID PYROPHOSPHATE	10000 KG	Jul 30, 2024
India	Sodium Acid Pyrophosphate	9 MT	Jan 2, 2024
Trinidad and Tobago	Sodium Acid Pyrophosphate (SAPP)	1 MT	Apr 24, 2024
Australia	SAPP28	1 MT	Apr 12, 2024
Italy	Sodium Acid Pyrophosphate	2000 KG	Mar 27, 2024
India	SAPP	50 MT	Oct 13, 2023

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Disodium pyrophosphate,CAS 7758-16-9

Product Description

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