R4126

Reinecke salt

• Synonym(s): Ammonium reineckate, Ammonium tetrarhodanatodiamminechromate(III), Ammonium tetrathiocyanatodiamminechromate(III), Ammonium tetrathiocyanodiammonochromate
• Linear Formula: NH₄[Cr(NH₃)₂(SCN)₄]
• CAS Number: 13573-16-5
• Molecular Weight: 336.43
• EC Number: 237-003-3
• MDL number: MFCD00066638
• UNSPSC Code: 12352302
• PubChem Substance ID: 329824029
• NACRES: NA.21
• form: powder

Properties

• form: powder
• Quality Level: 200
• mp: 268-272 °C (dec.) (lit.)
• SMILES string: N.N.[NH4+].N#CS[Cr-](SC#N)(SC#N)SC#N
• InChI: 1S/4CHNS.Cr.3H3N/c4*2-1-3;;;;/h4*3H;;3*1H3/q;;;;+3;;;/p-3
• InChI key: ZGLIQORZYPZFPW-UHFFFAOYSA-K

Description

Application

Reinecke salt can be used as a precipitation reagent for the precipitation of basic compounds such as amines, amino acids, and alkaloids as their reineckate complexes. It is also used in the spectrophotometric determination of promazine along with alizarin S by the formation of the promazine ion-association complex.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302 + H312 + H332
• Precautionary Statements: P261 - P264 - P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable