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Key Documents

R4126

Sigma-Aldrich

Reinecke salt

Synonym(s):

Ammonium reineckate, Ammonium tetrarhodanatodiamminechromate(III), Ammonium tetrathiocyanatodiamminechromate(III), Ammonium tetrathiocyanodiammonochromate

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About This Item

Linear Formula:
NH4[Cr(NH3)2(SCN)4]
CAS Number:
Molecular Weight:
336.43
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21
form:
powder

form

powder

Quality Level

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

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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.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

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


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