Sulfurous Acid
Suppliers
Names
[ CAS No. ]:
7782-99-2
[ Name ]:
Sulfurous Acid
[Synonym ]:
Sulphurous acid
sodium sulfite
hydrogen sulphite (bisulphite)
SULFUROUS ACID
dihydroxy sulphoxide
Schweflige saure [German]
acide sulfureux
Sulfur dioxide solution
acido sulfuroso
MFCD00011335
EINECS 231-973-1
UN1833
Chemical & Physical Properties
[ Density]:
1.03 g/mL at 25 °C(lit.)
[ Molecular Formula ]:
H2O3S
[ Molecular Weight ]:
82.07910
[ Exact Mass ]:
81.97250
[ PSA ]:
76.74000
[ LogP ]:
0.54680
[ Index of Refraction ]:
1.788
[ Stability ]:
Stable. Incompatible with strong bases.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- WT2775000
- CHEMICAL NAME :
- Sulfurous acid
- CAS REGISTRY NUMBER :
- 7782-99-2
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 4
- MOLECULAR FORMULA :
- H2-O3-S
- MOLECULAR WEIGHT :
- 82.08
- WISWESSER LINE NOTATION :
- ..H2.S-O3
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 500 ug/kg
- TOXIC EFFECTS :
- Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting Gastrointestinal - other changes
- REFERENCE :
- AEXPBL Archiv fuer Experimentelle Pathologie und Pharmakologie. (Leipzig, Ger. Dem. Rep.) V.1-109, 1873-1925. For publisher information, see NSAPCC. Volume(issue)/page/year: 54,421,1906 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82237 No. of Facilities: 97 (estimated) No. of Industries: 5 No. of Occupations: 5 No. of Employees: 722 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82237 No. of Facilities: 30 (estimated) No. of Industries: 3 No. of Occupations: 3 No. of Employees: 521 (estimated) No. of Female Employees: 150 (estimated)
Safety Information
[ Hazard Codes ]:
C
[ Risk Phrases ]:
R20
[ Safety Phrases ]:
S26-S36/37/39-S45
[ RIDADR ]:
UN 1833 8/PG 2
[ WGK Germany ]:
1
[ RTECS ]:
WT2775000
[ Packaging Group ]:
II
[ Hazard Class ]:
8