Pyrophosphoric Acid

Names

[ Name ]:
Pyrophosphoric Acid

[Synonym ]:
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

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

MSDS

Click to get detail MSDS

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