Disodium dihydrogen diphosphate

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Names

[ Name ]:
Disodium dihydrogen diphosphate

[Synonym ]:
DISODIUM PYROPHOSPHATE
Disodium dihydrogen diphosphate
SAPP 28
SAPP
disodiumdiphosphate
DSPP
MFCD00014246
EINECS 231-835-0
SAPP 40
DisodiuM pytophospha
dinatriumpyrophosphat
Phosphonate, P,P'-oxybis-, sodium salt (1:2)
sodiumpyrophosphate,acid

Chemical & Physical Properties

[ Density]:
2.311 g/cm3 (25ºC)

[ Melting Point ]:
988ºC

[ Molecular Formula ]:
H₂Na₂O₇P₂

[ Molecular Weight ]:
221.93900

[ Exact Mass ]:
221.90700

[ PSA ]:
149.57000

[ LogP ]:
0.06480

[ Stability ]:
Stable.

[ Water Solubility ]:
H2O: 0.1 M at 20 °C, clear, colorless

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UX6475000

CHEMICAL NAME :: Pyrophosphoric acid, disodium salt

CAS REGISTRY NUMBER :: 7758-16-9

LAST UPDATED :: 199707

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: H2-O7-P2.2Na

MOLECULAR WEIGHT :: 221.94

WISWESSER LINE NOTATION :: NA2 P2-O3-Q2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2650 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,445,1957

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,24,1957

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 480 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,445,1957

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 59 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,445,1957

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >300 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,47,1990 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M2309 No. of Facilities: 519 (estimated) No. of Industries: 15 No. of Occupations: 15 No. of Employees: 2961 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M2309 No. of Facilities: 2180 (estimated) No. of Industries: 41 No. of Occupations: 39 No. of Employees: 48188 (estimated) No. of Female Employees: 9570 (estimated)

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H319

[ Precautionary Statements ]:
P305 + P351 + P338

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
36

[ Safety Phrases ]:
S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
2

[ RTECS ]:
UX6475000

[ HS Code ]:
2835399000

Customs

[ HS Code ]: 2835399000

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