Ammonium thiosulfate

• CAS: 7783-18-8
• Catalog Number: ACM7783188
• Category: Main Products
• Molecular Weight: 148.21g/mol
• Molecular Formula: H8N2O3S2
• Description: Ammonium thiosulfate is a white crystalline solid. It is very soluble in water. The primary hazard is the threat posed to the environment. Immediate steps should be taken to limit its spread to the environment. It is used in photography, in chemical analysis, and for many other uses.;Liquid
• IUPAC Name: diazanium;dioxido-oxo-sulfanylidene-ж╦6-sulfane
• Canonical SMILES: [NH4+].[NH4+].[O-]S(=O)(=S)[O-]
• InChI: InChI=1S/2H3N.H₂O3S2/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
• InChI Key: XYXNTHIYBIDHGM-UHFFFAOYSA-N
• Boiling Point: Decomposes (NTP, 1992)
• Melting Point: Decomposes at 302° F (NTP, 1992);150 °C (DECOMP)
• Density: 2 at 68 °F (USCG, 1999);1.679
• Solubility: 64 % at 68° F (NTP, 1992);VERY SOL IN COLD WATER; IN 100 CC OF WATER: 103.3 G @ 100 °C; SLIGHTLY SOL IN ACETONE;INSOL IN ALCOHOL, ETHER
• Appearance: Solid
• Color/Form: COLORLESS, MONOCLINIC CRYSTALS;WHITE CRYSTALS
• Complexity: 82.6
• Corrosivity: Copper-base alloys are seriously corroded by ... ammonium thiosulfate with corrosion rates exceeding 10 kg/(square meter year) at 100 °C.;High silicon cast iron has reasonable corrosion resistance /to ammonium thiosulfate/ with a corrosion rate < 4.4 kg/(square meter year) at 100 °C.;The corrosion rate for stainless steels /to ammonium thiosulfate/ is < 440 g/(square meter year) at 100 °C.
• Covalently-Bonded Unit Count: 3
• Decomposition: Decomposed by heat
• EC Number: 231-982-0
• Exact Mass: 147.997634g/mol
• Formal Charge: 0
• H-Bond Acceptor: 4
• H-Bond Donor: 2
• Heavy Atom Count: 7
• Monoisotopic Mass: 147.997634g/mol
• Odor: AMMONIA ODOR
• Other Experimental: Hygroscopic;No hydrates /of ammonium thiosulfate/ are known.
• Rotatable Bond Count: 0
• Stability: Solutions decompose slowly below 50 °C and more rapidly at higher temperatures. The anhydrous salt decomposes above 100 °C to sulfite and sulfur.
• UNII: BKH1729645
• Vapor Pressure: 0 mm Hg (NTP, 1992)

Custom Q&A

What is the molecular formula of ammonium thiosulfate?

The molecular formula of ammonium thiosulfate is H8N2O3S2.

What is ammonium thiosulfate used for?

Ammonium thiosulfate is used in the leaching of gold and silver, as a fertilizer, and as a photographic fixing salt.

What is the chemical name of ammonium thiosulfate?

The chemical name of ammonium thiosulfate is diazanium;dioxido-oxo-sulfanylidene-λ 6 -sulfane.

What is the molecular weight of ammonium thiosulfate?

The molecular weight of ammonium thiosulfate is 148.21 g/mol.

What are the synonyms for ammonium thiosulfate?

The synonyms for ammonium thiosulfate include ammonium thiosulphate, diammonium thiosulfate, Thio-Sul, ammonium hyposulfite, and Ammo hypo.

How many hydrogen bond donor counts does ammonium thiosulfate have?

Ammonium thiosulfate has 2 hydrogen bond donor counts.

How many hydrogen bond acceptor counts does ammonium thiosulfate have?

Ammonium thiosulfate has 4 hydrogen bond acceptor counts.

What is the exact mass of ammonium thiosulfate?

The exact mass of ammonium thiosulfate is 147.99763447 g/mol.

How many heavy atom counts does ammonium thiosulfate have?

Ammonium thiosulfate has 7 heavy atom counts.

What is the CAS number of ammonium thiosulfate?

The CAS number of ammonium thiosulfate is 7783-18-8.