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potassium metabisulfite

Names

[ CAS No. ]:
16731-55-8

[ Name ]:
potassium metabisulfite

[Synonym ]:
POTASSIUM M-BISULFITE
Potassium Metabisulfite
POTASSIUM DISULFITE
potassium pyrosuifite
dipotassiumdisulfite
POTASSIUM BISULFITE
EINECS 240-795-3
POTASSIUMPYROSULPHITE
Dikaliumdisulfit
MFCD00167605
POTASSIUM BISULPHITE
Potassium pyrosulfite
POTASSIUM METABISULF
Potassium metabisulfite,Potassium pyrosulfite

Chemical & Physical Properties

[ Density]:
2.34 g/cm3

[ Melting Point ]:
190ºC

[ Molecular Formula ]:
K2O5S2

[ Molecular Weight ]:
222.32400

[ Exact Mass ]:
221.84600

[ PSA ]:
124.92000

[ LogP ]:
0.27220

[ Storage condition ]:
Store at +5°C to +30°C.

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

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TT4920000
CHEMICAL NAME :
Potassium pyrosulfite
CAS REGISTRY NUMBER :
16731-55-8
LAST UPDATED :
199701
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
O5-S2.K2
MOLECULAR WEIGHT :
222.32

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
35 gm/kg
SEX/DURATION :
female 49 day(s) pre-mating female 1-21 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

MUTATION DATA

TEST SYSTEM :
Rodent - rat
DOSE/DURATION :
400 mg/kg
REFERENCE :
JJCREP Japanese Journal of Cancer Research. (Elsevier Science Pub. BV, POB 211, 1000 AE Amsterdam, Netherlands) V.76- 1985- Volume(issue)/page/year: 80,424,1989 *** REVIEWS *** IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 54,131,1992 IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 54,131,1992 IARC Cancer Review:Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 54,131,1992 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82177 No. of Facilities: 1935 (estimated) No. of Industries: 17 No. of Occupations: 13 No. of Employees: 5348 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82177 No. of Facilities: 4265 (estimated) No. of Industries: 34 No. of Occupations: 45 No. of Employees: 33335 (estimated) No. of Female Employees: 10193 (estimated)

Safety Information

[ Symbol ]:

GHS05

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H318

[ Supplemental HS ]:
Contact with acids liberates toxic gas.

[ Precautionary Statements ]:
P280-P305 + P351 + P338

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R31

[ Safety Phrases ]:
26-36

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
1

[ RTECS ]:
TT4920000

[ HS Code ]:
2832200000

Customs

[ HS Code ]: 2832200000

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