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Tetrasodium pyrophosphate Structure

Tetrasodium pyrophosphate

Chemical Properties

Melting point 80 °C
Boiling point 93.8 °C
Density  2.53 g/mL at 25 °C(lit.)
vapor pressure  0Pa at 20℃
storage temp.  Inert atmosphere,Room Temperature
solubility  H2O: 0.1 M at 20 °C, clear, colorless
form  Granular
color  White
Specific Gravity 2.534
Odor Odorless
PH Range 10.3
Water Solubility  Soluble in water. Insoluble in ethyl alcohol.
Sensitive  Hygroscopic
Merck  14,9240
Exposure limits NIOSH: TWA 5 mg/m3
Stability Stable. Incompatible with strong oxidizing agents.
InChIKey FQENQNTWSFEDLI-UHFFFAOYSA-J
LogP -3.42
CAS DataBase Reference 7722-88-5(CAS DataBase Reference)
FDA 21 CFR 182.6787; 182.6789; 582.6787; 582.6789; 173.310; 175.210; 175.300; 181.29; 182.70
Substances Added to Food (formerly EAFUS) SODIUM PYROPHOSPHATE
SCOGS (Select Committee on GRAS Substances) Sodium pyrophosphate, tetrabasic
EWG's Food Scores 1
FDA UNII O352864B8Z
EPA Substance Registry System Tetrasodium pyrophosphate (7722-88-5)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H318
Precautionary statements P280-P305+P351+P338
Hazard Codes  Xi,Xn
Risk Statements  36/37/38-41-22
Safety Statements  26-36-39
WGK Germany  3
RTECS  UX7350000
TSCA  Yes
HS Code  28353990
Hazardous Substances Data 7722-88-5(Hazardous Substances Data)
NFPA 704:
0
2 1

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