Pyrophosphoric Acid

Modify Date: 2025-08-20 15:19:23

Pyrophosphoric Acid Structure
Pyrophosphoric Acid structure
Common Name Pyrophosphoric Acid
CAS Number 2466-09-3 Molecular Weight 177.975
Density 2.4±0.1 g/cm3 Boiling Point N/A
Molecular Formula H4O7P2 Melting Point 61 °C
MSDS N/A Flash Point N/A

 Names

Name diphosphoric acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.4±0.1 g/cm3
Melting Point 61 °C
Molecular Formula H4O7P2
Molecular Weight 177.975
Exact Mass 177.943222
PSA 143.91000
LogP -3.42
Index of Refraction 1.560

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
JL6672500
CHEMICAL NAME :
Diphosphoric acid
CAS REGISTRY NUMBER :
2466-09-3
LAST UPDATED :
199512
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
H4-O7-P2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1170 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - excitement Gastrointestinal - necrotic changes
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(12),53,1985

 Safety Information

Hazard Codes C:Corrosive;
Risk Phrases R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3260 8/PG 2
WGK Germany 3
RTECS JL6672500
Packaging Group III
Hazard Class 8
HS Code 2809201900

 Customs

HS Code 2809201900

 Synonyms

Pyrophosphoric Acid
acide diphosphorique
Diphosphoric acid
UNII-4E862E7GRQ
Pyrophosphic acid
EINECS 219-574-0
MFCD00011343
Diphosphorsaeure
hydrogen pyrophosphate
phosphono dihydrogen phosphate
PPV
Pyrophosphorsaeure
phosphoric anhydride
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