Ammonium thiocyanate
Ammonium thiocyanate (CAS 1762-95-4, NH4SCN, MW 76.12) is an inorganic salt that appears as a white crystalline powder. It is soluble in water and alcohol. Ammonium thiocyanate serves as a versatile chemical intermediate and building block in various industrial processes, including the synthesis of other thiocyanate compounds, pharmaceuticals, and agricultural chemicals. Its reactivity and properties make it a valuable reagent in chemical research and manufacturing.
- IUPAC
- Ammonium rhodanide
- Synonyms
- Ammonium rhodanide
Chemical Synthesis
Ammonium thiocyanate is widely used as a precursor in the synthesis of organic and inorganic thiocyanates, as well as in the production of heterocyclic compounds and pharmaceuticals. It acts as a source of the thiocyanate ion (SCN-) in various chemical reactions.
Textile Dyeing and Printing
This compound finds application as a mordant in the textile industry, assisting in the fixation of dyes onto fabrics. It is also utilized in certain dyeing and printing processes to achieve specific colour effects and improve dye fastness.
Agriculture
Ammonium thiocyanate is employed in the formulation of certain herbicides and plant growth regulators. It can contribute to the synthesis of active ingredients used in agricultural products for crop protection and management.
Photography
Historically, ammonium thiocyanate has been used in photographic toning baths to alter the colour of monochrome prints and improve their permanence. It reacts with silver images to form silver thiocyanate compounds.
| Molecular weight | 76.12 |
|---|---|
| Linear formula | NH4SCN |
| Assay | 98% |
| Form | powder |
| Colour | white |
| Concentration | 0.1 M1/10 N |
| Melting point | 152-154 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-32-52/53 |
| Safety statements (S) | 13-36/37-46-61 |
| Supplemental hazards | Contact with acids liberates very toxic gas. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Ammonium thiocyanate used for?
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Ammonium thiocyanate is used in chemical synthesis, textile dyeing and printing, agriculture as a component in herbicides, and historically in photographic processes.
What is the CAS number and chemical formula for Ammonium thiocyanate?
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The CAS number is 1762-95-4 and the chemical formula is NH4SCN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ammonium thiocyanate with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Ammonium thiocyanate be handled safely?
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Ammonium thiocyanate is harmful if swallowed, in contact with skin, or if inhaled (H302 + H312 + H332) and is harmful to aquatic life with long lasting effects (H412). Contact with acids liberates very toxic gas. Wear a dust mask type N95 (US), eyeshields, and gloves. Avoid contact with acids.
How is Ammonium thiocyanate packed and shipped?
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Ammonium thiocyanate is typically supplied as a white powder and is exported in compliance with relevant transport regulations, including UN 3077, Class 9, Packing Group III.
How can I request a quote or sample of Ammonium thiocyanate?
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Please contact our sales team with your specific requirements to request a quote or a sample of Ammonium thiocyanate.
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