Sodium hydroxymethanesulfinate

Modify Date: 2026-07-07 23:39:29

Sodium hydroxymethanesulfinate Structure
Sodium hydroxymethanesulfinate structure
 Common Name Sodium hydroxymethanesulfinate
CAS Number 149-44-0 Molecular Weight 118.08700
Density N/A Boiling Point 446.4ºC at 760mmHg
Molecular Formula CH3NaO3S Melting Point 64-68ºC
MSDS Chinese USA Flash Point 223.8ºC
Symbol GHS08
GHS08		 Signal Word Warning

 Names

Name rongalite
Synonym More Synonyms

 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

 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
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

Formaldehyde structure

Formaldehyde

CAS#:50-00-0

~88%

Sodium hydroxymethanesulfinate Structure

Sodium hydroxym...

CAS#:149-44-0

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Literature: Aleksandrova, A. N.; Shibaeva, I. A.; Budanov, V. V. J. Appl. Chem. USSR (Engl. Transl.), 1989 , vol. 62, # 12.1 p. 2678 - 2682,2481 - 2485
Formaldehyde structure

Formaldehyde

CAS#:50-00-0

Thiourea dioxide structure

Thiourea dioxide

CAS#:1758-73-2

~%

Sodium hydroxymethanesulfinate Structure

Sodium hydroxym...

CAS#:149-44-0

Learn More
Literature: Russian Journal of Inorganic Chemistry, , vol. 55, # 2 p. 301 - 304
Water structure

Water

CAS#:7732-18-5

Methanesulfonic acid,1-(phenylamino)-, sodium salt (1:1) structure

Methanesulfonic...

CAS#:26021-90-9

~%

Sodium hydroxymethanesulfinate Structure

Sodium hydroxym...

CAS#:149-44-0

structure

CAS#:74497-02-2

Learn More
Literature: Chemische Berichte, , vol. 39, p. 2801

 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%

 Articles1

More 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...

 Synonyms

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
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