Agent Name |
Tetrasodium pyrophosphate |
CAS Number |
7722-88-5 |
Formula |
H4-O7-P2.4Na |
Major Category |
Other Classes |
Synonyms |
Anhydrous tetrasodium pyrophosphate; Diphosphoric acid, tetrasodium salt; Natrium pyrophosphat [German]; Phosphotex; Pyrophosphoric acid tetrasodium salt; Sodium diphosphate (Na4P2O7); Sodium diphosphate, anhydrous; Sodium phosphate (Na4P2O7); Sodium pyrophosphate (Na4P2O7); Sodium pyrophosphate, tetrabasic; TSPP; Tetranatriumpyrophosphat [German]; Tetrasodium diphosphate; Tetrasodium pyrophosphate; Tetrasodium pyrophosphate, anhydrous; Victor TSPP; [ChemIDplus] |
Category |
Salts, Basic |
Description |
Odorless, white powder or granules. [Note: The decahydrate (Na4P2O7+10H2O) is in the form of colorless, transparent crystals.]; [NIOSH] |
Sources/Uses |
Used as a water softener, detergent, emulsifying agent, metal cleaner, and nutritional supplement; [ACGIH] |
Comments |
Documentation and TLV withdrawn in 2006 because of insufficient data; [ACGIH] A skin, eye, and respiratory tract irritant; [ICSC] |
Exposure Assessment |
Skin Designation (ACGIH) |
Not evaluated |
Explanatory Notes |
Adopted Documentation and TLVs were withdrawn in 2006 due to insufficient data. [ACGIH] |
Links to Other NLM Databases |
Health Studies |
Human Health Effects from Hazardous Substances Data Bank: TETRASODIUM PYROPHOSPHATE
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