NAVIGATION


Ammonium thiosulfate

Catalog Number
ACM7783188
CAS Number
7783-18-8
Product Name
Ammonium thiosulfate
Structure
Category
Electrolytes
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
Molecular Weight
148.21g/mol
Molecular Formula
H8N2O3S2
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)
Purity
98%
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
EC Number
231-982-0
Exact Mass
147.997634g/mol
Formal Charge
0
Heavy Atom Count
7
MeSH Entry Terms
ammonium thiosulfate
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)
If you have any other questions or need other size, please get a quote.
  • CAS
  • Size
  • Purity
  • Price
  • Availability
  • Quantity
  • Order
※ Please kindly note that our products are for research use only.
qrcode

Share

Interested in our Services & Products? Need detailed information?
facebook twitter linkedin

Contact Us

Email:
Tel:
Fax:
Address: