Product Name

  • Name

    Cuprous thiocyanate

  • EINECS 214-183-1
  • CAS No. 1111-67-7
  • Article Data86
  • CAS DataBase
  • Density 2.84 g/cm3
  • Solubility Soluble in aqueous ammonia and ethyl ether. Soluble in strong alkali metal thiocyanate salt solution, can form complex. Poorly soluble in ethanol, acetone. Hardly soluble in water. Decomposite when soluble in strong sulfuric acid.
  • Melting Point 1084 °C
  • Formula CHNS.Cu
  • Boiling Point 146°C at 760 mmHg
  • Molecular Weight 121.63
  • Flash Point NotoConsidered to be a fire hazard
  • Transport Information UN 3077 9/PG 3
  • Appearance white to pale yellow powder
  • Safety 13-60-61
  • Risk Codes 20/21/22-32-50/53
  • Molecular Structure Molecular Structure of 1111-67-7 (Cuprous thiocyanate)
  • Hazard Symbols HarmfulXn,DangerousN
  • Synonyms Copperthiocyanate (6CI,7CI);Thiocyanic acid, copper(1+) salt (8CI,9CI);Coppermonothiocyanate;Copper thiocyanate (Cu(NCS));Copper thiocyanate (CuCNS);Copper(1+) thiocyanate;Copper(I) thiocyanate;Cuprous thiocyanate;Cuprousthiocyanate (CuCNS);
  • PSA 49.09000
  • LogP 0.66248

Synthetic route

copper(II) thiocyanate
15192-76-4

copper(II) thiocyanate

copper(I) thiocyanate
1111-67-7

copper(I) thiocyanate

Conditions
ConditionsYield
In sulfuric acid spontaneous decomposition in presence of small amounts of KI;;
In water spontaneous decomposition in presence of small amounts of KI;;
In not given spontaneous decompn. in dild. soln.;;
In water spontaneous decomposition in presence of small amounts of KI;;
In sulfuric acid aq. H2SO4; spontaneous decomposition in presence of small amounts of KI;;

Cuprous thiocyanate Specification

The Cuprous thiocyanate, with the CAS registry number 1111-67-7, is also known as Copper(I) thiocyanate. It belongs to the product category of Inorganics. Its EINECS number is 214-183-1. This chemical's molecular formula is CHNS·Cu and molecular weight is 121.63. What's more, its systematic name is Copper(1+) thiocyanate. This chemical is stable at common pressure and temperature, and it should be sealed and stored in a cool and dry place. Moreover, it should be protected from oxides and acids. It is a good inorganic pigments, and is used as the antifouling paint of hull bottom.

Preparation: this chemical can be prepared by the method of sulfites reduction. Copper sulfate conducts a reduction reaction with sodium sulfite in alkaline conditions, and then reacts with sodium thiocyanate to produce white precipitations. The final products are got by filtering, washing and drying.

2CuSO4+Na2SO3+2NaOH+2NaSCN→2CuSCN+3Na3SO4+H2O

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful by inhalation, in contact with skin and if swallowed. When contact with acids, it will liberates very toxic gas. It is very toxic to aquatic organisms as it may cause long-term adverse effects in the aquatic environment. You should keep it away from food, drink and animal feeding stuffs. This material and its container must be disposed of as hazardous waste. You must avoid releasing it to the environment, and you need to refer to special instructions/safety data sheet.

You can still convert the following datas into molecular structure:
(1)SMILES: C(#N)[S-].[Cu+]
(2)Std. InChI: InChI=1S/CHNS.Cu/c2-1-3;/h3H;/q;+1/p-1
(3)Std. InChIKey: PDZKZMQQDCHTNF-UHFFFAOYSA-M 

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