Ammonium thiosulphate, 99%

Name: Ammonium thiosulphate, 99%
Brand: Vaqora Chemicals
SKU: VQ-016002

About Ammonium thiosulphate, 99%

Listed under CAS 7783-18-8, Ammonium thiosulphate is an inorganic reagent available from Vaqora Chemicals in Extra Pure grade, specified at 99% purity. The compound has the formula H8N2O3S2, corresponding to a molecular weight of 148.21 g/mol. Its systematic (IUPAC) name is diazanium. Dioxido-oxo-sulfanylidene-lambda6-sulfane. It is also known as Ammonium thiosulfate or Thio-Sul.

It is supplied as white powder, crystals, crystalline powder or chunks. Key physical data: a melting point of 150 °C. Keep the container tightly sealed and store it in a cool, dry area. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Key uses span materials research and chemical synthesis. Typical end-use sectors are academic and industrial research.

Standard pack sizes are 500 g, 5 kg and 4 x 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Materials research
Chemical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ammonium thiosulphate, 99%
Catalogue No.	VQ-016002
CAS Number	7783-18-8
IUPAC name	diazanium;dioxido-oxo-sulfanylidene-lambda6-sulfane
Molecular formula	H₈N₂O₃S₂
Molecular weight	148.21 g/mol
Exact mass	147.9976
Grade	Extra Pure
Purity / assay	99%
HSN code	28323090
InChIKey	XYXNTHIYBIDHGM-UHFFFAOYSA-N
SMILES	[NH4+].[NH4+].[O-]S(=O)(=S)[O-]
PubChem CID	6096946

Physical properties
Physical form	Crystalline
Appearance	White powder, crystals, crystalline powder or chunks
Melting point	150 °C
H-bond donors / acceptors	2 / 4
TPSA	106 Å²
Synonyms	Ammonium thiosulfate, Thio-Sul, Ammonium hyposulfite, Diammonium thiosulfate, Ammo hypo, Thiosulfuric acid, diammonium salt, Ammonium thiosulfate ((NH4)2S2O3), Thiosulfuric acid (H2S2O3), diammonium salt, diammonium sulfurothioate, bisammonium sulfurothioate, Ammonium thiosulfate, 96%, Thiosulfuric acid (H2S2O3) ammonium salt (1:2)

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ammonium thiosulphate, 99%?

The CAS Registry Number of Ammonium thiosulphate, 99% is 7783-18-8. It is also known as Ammonium thiosulfate, Thio-Sul, Ammonium hyposulfite.

What is the molecular formula and molecular weight of Ammonium thiosulphate, 99%?

Ammonium thiosulphate, 99% has the molecular formula H8N2O3S2 and a molecular weight of 148.21 g/mol.

Which grade and pack sizes of Ammonium thiosulphate, 99% can I order?

We supply Ammonium thiosulphate, 99% in Extra Pure (99%) grade, in 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ammonium thiosulphate, 99%?

Yes. Every lot of Ammonium thiosulphate, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ammonium thiosulphate, 99% be shipped internationally?

Yes. We export Ammonium thiosulphate, 99% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.