Sodium thiosulfate
Names
[ CAS No. ]:
7772-98-7
[ Name ]:
Sodium thiosulfate
[Synonym ]:
EINECS 231-867-5
MFCD00003499
disodium,dioxido-oxo-sulfanylidene-λ<sup>6</sup>-sulfane
Chemical & Physical Properties
[ Density]:
1.667
[ Boiling Point ]:
100°C
[ Melting Point ]:
48°C
[ Molecular Formula ]:
Na2O3S2
[ Molecular Weight ]:
158.108
[ Exact Mass ]:
157.908417
[ PSA ]:
103.66000
[ LogP ]:
0.50980
[ Storage condition ]:
2-8°C
[ Stability ]:
Stable. Incompatible with strong acids, strong oxidizing agents, iodine, mercury.
MSDS
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 Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
[ Hazard Codes ]:
Xi:Irritant
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S24/25-S23-S36-S26
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
1
[ RTECS ]:
XN6476000
[ HS Code ]:
2830909000
Customs
[ HS Code ]: 2830909000
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