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Merck
CN

183687

Reinecke salt

ACS reagent, ≥93.0%

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
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
237-003-3
MDL number:
Assay:
≥93.0%
Grade:
ACS reagent
Form:
powder
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grade

ACS reagent

Quality Level

assay

≥93.0%

form

powder

reaction suitability

reagent type: catalyst
core: chromium

impurities

≤0.05% insol. dil. HCl

mp

268-272 °C (dec.) (lit.)

storage temp.

2-8°C

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

General description

Reinecke salt [ammonium tetrarhodanatodiamminechromate(III)] is an ammonium salt. It participates in the quantitative precipitation of histones as well as basic compounds present in an acid tissue extract by forming reineckate complexes.

Application

Reinecke salt may be used as a precipitation reagent for the isolation of quaternary ammonium alkaloids (QAAs) in the dried powder of Rhizoma Corydalis. Quantitative analysis of these QAAs was conducted by MALDI-MS (Matrix-Assisted Laser Desorption Ionization - Mass Spectrometry). It may be used for the fabrication of bulk Meldola blue-zirconium phosphate-Reinecke salt screen-printed electrodes (bMBZrPRs-SPEs).
Color reagent and precipitant for mercury. Precipitant for primary and secondary amines and certain amino acids.


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Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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X F Sun et al.
Analytical biochemistry, 167(2), 304-311 (1987-12-01)
A method to permit isolation and measurement of trimethylselenonium ion [TMSe, (CH3)3Se+] from 1 liter of human urine was developed. The method was based on precipitation of TMSe with ammonium reineckate, preseparation with anion-exchange resin, and final thermal decomposition and
Qualitative and quantitative analysis of quaternary ammonium alkaloids from Rhizoma Corydalis by matrix-assisted laser desorption/ionization Fourier transform mass spectrometry coupled with a selective precipitation reaction using Reinecke salt.
Cheng ZH, et al.
Analytica Chimica Acta, 555(2), 269-277 (2006)
H Puzanowska-Tarasiewicz et al.
Journal of pharmaceutical and biomedical analysis, 26(1), 1-5 (2001-07-14)
Reinecke salt and alizarin S have been tested as reagents for the determination of promazine. They react in neutral and acidic media with promazine forming a reddish and brown crystalline compounds. The compounds are sparingly soluble in water but fairly



Global Trade Item Number

SKUGTIN
183687-25G04061838756312
183687-100G04061838756305