CAS 7772-98-7|Sodium thiosulfate

Introduction:Basic information about CAS 7772-98-7|Sodium thiosulfate, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common NameSodium thiosulfate
CAS Number7772-98-7Molecular Weight158.108
Density1.667Boiling Point100°C
Molecular FormulaNa2O3S2Melting Point48°C
MSDSChineseUSAFlash Point/

Names

NameSodium thiosulfate
SynonymMore Synonyms

Chemical & Physical Properties

Density1.667
Boiling Point100°C
Melting Point48°C
Molecular FormulaNa2O3S2
Molecular Weight158.108
Exact Mass157.908417
PSA103.66000
LogP0.50980
InChIKeyAKHNMLFCWUSKQB-UHFFFAOYSA-L
SMILESO=S([O-])([O-])=S.[Na+].[Na+]
Storage condition2-8°C
StabilityStable. Incompatible with strong acids, strong oxidizing agents, iodine, mercury.

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XN6476000
CHEMICAL NAME :
Thiosulfuric acid, disodium salt
CAS REGISTRY NUMBER :
7772-98-7
LAST UPDATED :
199710
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
O3-S2.2Na
MOLECULAR WEIGHT :
158.10
WISWESSER LINE NOTATION :
WSSO &-NA- 2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>2500 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 25,297,1925
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
5200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year: 53,404,1957
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
4 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 5,161,1899
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Amphibian - frog
DOSE/DURATION :
6 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 5,161,1899 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80153 No. of Facilities: 11199 (estimated) No. of Industries: 107 No. of Occupations: 62 No. of Employees: 61158 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80153 No. of Facilities: 13359 (estimated) No. of Industries: 118 No. of Occupations: 89 No. of Employees: 143967 (estimated) No. of Female Employees: 55082 (estimated)

Safety Information

Personal Protective EquipmentEyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard CodesXi:Irritant
Risk PhrasesR36/37/38
Safety PhrasesS24/25-S23-S36-S26
RIDADRNONH for all modes of transport
WGK Germany1
RTECSXN6476000
HS Code2830909000

Customs

HS Code2830909000

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Synonyms

EINECS 231-867-5
MFCD00003499
disodium,dioxido-oxo-sulfanylidene-λ<sup>6</sup>-sulfane
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