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Substance Name: Sodium thiosulfate
RN: 7772-98-7
UNII: L0IYT1O31N
InChIKey: AKHNMLFCWUSKQB-UHFFFAOYSA-L

Note

  • Do not confuse synonym sodium hyposulfite with sodium hyposulfite, synonym for di-Na salt of dithionous acid.

Molecular Formulas

  • H2-O3-S2.2Na
  • Na2-O3-S2
  • O3-S2.2Na

Molecular Weight

  • 158.109
 

Classification Codes

  • Anti-Bacterial Agents
  • Anti-Infective Agents
  • Antidotes
  • Antioxidants
  • Antitubercular Agents
  • Chelating Agents
  • Protective Agents
  • Sequestering Agents

Names and Synonyms

Results Name

  • Sodium thiosulfate

Name of Substance

  • Sodium hyposulfite
  • Sodium thiosulfate
  • Sodium thiosulfate anhydrous
  • Thiosulfuric acid, disodium salt

Synonyms

  • AI3-01237
  • Chlorine Control
  • Chlorine Cure
  • Declor-It
  • Disodium thiosulfate
  • EC 231-867-5
  • EINECS 231-867-5
  • HSDB 592
  • Hypo
  • Hypo (VAN)
  • NSC 45624
  • S-Hydril
  • Sodium hyposulfite
  • Sodium oxide sulfide (Na2S2O3)
  • Sodium thiosulfate
  • Sodium thiosulfate (Na2S2O3)
  • Sodium thiosulfate anhydrous
  • Sodium thiosulphate (Na2S2O3)
  • Sodothiol
  • UNII-L0IYT1O31N

Systematic Names

  • Sodium thiosulphate
  • Thiosulfuric acid (H2S2O3), disodium salt
  • Thiosulfuric acid (H2S2O3), sodium salt (1:2)
  • Thiosulfuric acid, disodium salt

Registry Numbers

CAS Registry Number

  • 7772-98-7

FDA UNII

  • L0IYT1O31N

Other Registry Numbers

  • 1374442-73-5
  • 13773-27-8
  • 220945-47-1

Related Registry Number

  • 10102-17-7 (pentahydrate)

System Generated Number

  • 0007772987

Molecular Formulas

Molecular Formulas

  • H2-O3-S2.2Na
  • Na2-O3-S2
  • O3-S2.2Na

Molecular Formula Fragments

  • COMPONENT
  • H2-O3-S2
  • Na
  • O3-S2

Structure Descriptors

InChI

1S/2Na.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChIKey

AKHNMLFCWUSKQB-UHFFFAOYSA-L

Smiles

S(=O)(=S)([O-])[O-].[Na+].[Na+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
frog LDLo subcutaneous 6gm/kg (6000mg/kg)   Archives Internationales de Pharmacodynamie et de Therapie. Vol. 5, Pg. 161, 1899.
mouse LD50 intraperitoneal 5200mg/kg (5200mg/kg)   Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. Vol. 53, Pg. 404, 1957.
rabbit LDLo subcutaneous 4gm/kg (4000mg/kg)   Archives Internationales de Pharmacodynamie et de Therapie. Vol. 5, Pg. 161, 1899.
rat LD intravenous > 2500mg/kg (2500mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Journal of Pharmacology and Experimental Therapeutics. Vol. 25, Pg. 297, 1925.