Reinecke salt
Reinecke salt (CAS 13573-16-5), with the chemical formula NH4[Cr(NH3)2(SCN)4] and a molecular weight of 336.43 g/mol, is an inorganic coordination compound. It is recognised for its utility as a precipitant, particularly for mercury ions, and in the analysis of primary and secondary amines and certain amino acids. This compound is a valuable reagent in analytical chemistry and chemical synthesis laboratories.
- IUPAC
- Ammonium reineckate,Ammonium tetrarhodanatodiamminechromate(III),Ammonium tetrathiocyanatodiamminechromate(III),Ammonium tetrathiocyanodiammonochromate
- Synonyms
- Ammonium reineckate,Ammonium tetrarhodanatodiamminechromate(III),Ammonium tetrathiocyanatodiamminechromate(III),Ammonium tetrathiocyanodiammonochromate
![Reinecke salt (NH4[Cr(NH3)2(SCN)4]) — chemical structure, CAS 13573-16-5; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F13573-16-5.png&w=3840&q=75)
Precipitant for Mercury
Reinecke salt serves as a colour reagent and precipitant for mercury ions in analytical procedures. Its ability to form insoluble complexes allows for the quantitative determination of mercury.
Amine and Amino Acid Analysis
This reagent is employed as a precipitant for primary and secondary amines, as well as specific amino acids. This application is crucial in qualitative and quantitative chemical analysis.
Chemical Synthesis
As a chromium-containing compound, Reinecke salt finds applications in various chemical synthesis pathways within research and industrial settings.
| Molecular weight | 336.43 |
|---|---|
| Linear formula | NH4[Cr(NH3)2(SCN)4] |
| Assay | ≥93.0% |
| Grade | ACS reagent |
| Storage temperature | 2-8°C |
| Impurities tested | ≤0.05% insol. dil. HCl |
| Application | Color reagent and precipitant for mercury. Precipitant for primary and secondary amines and certain amino acids. |
| Melting point | 268-272 °C (dec.)(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 36 |
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 Reinecke salt primarily used for?
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Reinecke salt is primarily used as a color reagent and precipitant for mercury ions, and as a precipitant for primary and secondary amines and certain amino acids.
What are the CAS number and chemical formula for Reinecke salt?
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The CAS number for Reinecke salt is 13573-16-5, and its chemical formula is NH4[Cr(NH3)2(SCN)4].
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Reinecke salt in ACS reagent grade with an assay of ≥93.0%.
How should Reinecke salt be handled safely?
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Reinecke salt is harmful if swallowed, in contact with skin, or if inhaled (H302-H312-H332). Handle with appropriate personal protective equipment (P280) in a well-ventilated area.
How is Reinecke salt packed, shipped, and exported?
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Reinecke salt is carefully packed according to industry standards to ensure safe transit. Tech Serve Solutions is experienced in exporting chemicals globally, adhering to all necessary regulations.
How can I request a quote or sample of Reinecke salt?
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To request a quote or a sample of Reinecke salt, please contact our sales team through the website or by phone.
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