Sodium hydroxymethanesulfinate

Names

[ CAS No. ]:
149-44-0

[ Name ]:
Sodium hydroxymethanesulfinate

[Synonym ]:
rongalitc
MFCD00150599
FORMOPON
discolite
hydrolit
sodium rongalite
Hydro AWC
Hydroxymethanesulfinic Acid Sodium Salt Dihydrate
FORMOSUL
Formaldehyde Sodium Sulfoxylate Dihydrate
Sodium hydroxymethanesulfinate dihydrate
formapon
Sodium hydroxymethanesulfinate hydrate
sodium formaldehyde sulfoxylate
hydroxymethanesulfinic acid sodium salt
Rongalite Dihydrate
sodium hydroxymethanesulphinate
formopan
EINECS 205-739-4
Rongalite(R)
aldanil
sodium hydroxymethanesulfinate

Chemical & Physical Properties

[ Boiling Point ]:
446.4ºC at 760mmHg

[ Melting Point ]:
64-68ºC

[ Molecular Formula ]:
CH₃NaO₃S

[ Molecular Weight ]:
118.08700

[ Flash Point ]:
223.8ºC

[ Exact Mass ]:
117.97000

[ PSA ]:
79.57000

[ Water Solubility ]:
H2O: 50 mg/mL, clear, colorless

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: PB0380000

CHEMICAL NAME :: Methanesulfinic acid, hydroxy-, monosodium salt

CAS REGISTRY NUMBER :: 149-44-0

LAST UPDATED :: 199701

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C-H4-O3-S.Na

MOLECULAR WEIGHT :: 119.10

WISWESSER LINE NOTATION :: Q1SQO &-NA-

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2 gm/kg

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

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 31,959,1980

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2 gm/kg

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

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 31,959,1980

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4 gm/kg

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

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 31,959,1980 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83726 No. of Facilities: 5560 (estimated) No. of Industries: 46 No. of Occupations: 29 No. of Employees: 21898 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83726 No. of Facilities: 2998 (estimated) No. of Industries: 10 No. of Occupations: 37 No. of Employees: 239465 (estimated) No. of Female Employees: 187432 (estimated)

Safety Information

[ Symbol ]:

GHS08

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H341

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

[ Precautionary Statements ]:
P281

[ Personal Protective Equipment ]:
Eyeshields;Gloves

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-36

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
1

[ RTECS ]:
PB0380000

[ HS Code ]:
2831900000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2930909090

[ Summary ]:
2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Articles

Reactive oxygen species in the aerobic decomposition of sodium hydroxymethanesulfinate.

Arch. Biochem. Biophys. 367(2) , 289-96, (1999)

Sodium hydroxymethanesulfinate, (HOCH2SO2Na, HMS) is relatively stable in aqueous alkaline environments, but rapidly decomposes in acidic medium to give a variety of products that include sulfur dioxi...