calcium thiosulphate

Description

calcium thiosulphate · CAS 10124-41-1 · CaO3S2. UNII 2IO10O728E.

Identification

CAS Registry Number	10124-41-1
PubChem CID	24964
Molecular formula	CaO3S2
IUPAC name	calcium dioxido-oxo-sulfanylidene-λ6-sulfane
UNII (FDA)	2IO10O728E

Computed Descriptors

Molecular Weight	152.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	151.8914771
Monoisotopic Mass	151.8914771
Topological Polar Surface Area	104
Heavy Atom Count	6
Formal Charge	0
Complexity	82.6

Physical description & handling notes

• Liquid
• (50% solution): Liquid; Soluble in water; [MSDSonline]
• WHEN DRY, DECOMP ON STANDING FORMING YELLOW CRUST ON SURFACE; MORE STABLE IF KEPT DAMP & STORED BELOW 0 °C /HEXAHYDRATE/
• SPONTANEOUSLY DECOMPOSES @ 43-49 °C /HEXAHYDRATE/
• TRICLINIC CRYSTALS; FREELY SOL IN WATER; PRACTICALLY INSOL IN ALCOHOL; SPONTANEOUSLY DECOMPOSES @ 43-49 °C; DENSITY: 1.87 /HEXAHYDRATE/
• 100 G SOL IN 100 CC WATER @ 3 °C; DECOMPOSES @ MELTING POINT & IN HOT WATER /HEXAHYDRATE/

Regulatory Status

GHS notification summary	100% (3 / 3)

GHS Hazard Classification

GHS notification summary	100% (3 / 3)

Documented Uses

• Used as a fungicide, noncorrosive concrete-set accelerator, and polymerization catalyst; Was used in the treatment of arsphenamine side effects; [HSDB]
• Cement Producing [Category: Industry]
• MEDICATION: IN DERMATITIS & JAUNDICE DUE TO ARSPHENAMINE
• As a component of the fungicide and insecticide lime sulfur (ca 5% calcium thiosulfate) used as standard dormant spray for control of the San Jose scale (Aspidiotus perniciosus) and for other scales and various plant diseases
• Fungicide formualtions, a noncorrosive concrete-set accelerator, and a catalyst for polyolefin mfg
• BALLEZO, KAUFMANN, MONATSH 80, 220 (1949); LEVENSON, US PATENT 2,763,531 (1956 TO KODAK).

Synonyms

CALCIUM THIOSULFATE; Calcium thiosulphate; 10124-41-1; Calcium hyposulfite; Thiosulfuric acid (H2S2O3), calcium salt (1:1); Thiosulfuric acid, calcium salt (1:1); Calcium thiosulfate (Ca(S2O3)); 2IO10O728E; DTXSID2034415; RefChem:122919; DTXCID0014415; 233-333-7; Tecesal; calcium;dioxido-oxo-sulfanylidene-lambda6-sulfane; Caswell No. 153; HSDB 2507

Frequently Asked Questions

What are the CAS number and molecular formula of calcium thiosulphate?

CAS 10124-41-1; molecular formula CaO3S2; molecular weight — g/mol.

What other names is calcium thiosulphate known by?

CALCIUM THIOSULFATE, Calcium thiosulphate, 10124-41-1, Calcium hyposulfite, Thiosulfuric acid (H2S2O3), calcium salt (1:1), Thiosulfuric acid, calcium salt (1:1).

Is calcium thiosulphate classified as hazardous?

100% of GHS notifications report no hazard classification (3 of 3).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.