Tetrasodium Pyrophosphate - China

Origin
China
CAS Number
7722-88-5
HS Code
2835.39.00

Basic Info

IUPAC Name
tetrasodium diphosphate
Molecular Formula
Na4P2O7
Molecular Weight (g/mol)
265.9000
Synonyms & Trade Names
Tetrasodium pyrophosphate; TSPP; Sodium pyrophosphate; E450iii
Purity / Assay (%)
96% min
Physical Form
Solid
Concentration
Pure substance
Appearance / Color
White to off-white solid
Odor
Odorless
Melting Point (°C)
1090.0000
Density (g/cm³)
2.5340
Solubility in Water
Freely soluble
Signal Word
Warning
GHS Hazard Class
Eye irritant
H-Statements
H319
P-Statements
P264|P280|P305+P351+P338
REACH Status
Registered
Drug Precursor Status
Non-precursor
Storage Class (GHS)
13
Storage Conditions
Cool, dry place

Technical Document

Brief Overview
Tetrasodium Pyrophosphate, commonly referred to as TSPP, presents itself as a crystal characterized by transparency, lacking odor or color, and composed of sodium and pyrophosphate ions.
Manufacturing Process
The production of Tetrasodium Pyrophosphate involves the reaction of sodium carbonate with phosphoric acid to yield disodium phosphate. This compound is then subjected to high temperatures, resulting in the formation of Tetrasodium Pyrophosphate.