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183687

Sigma-Aldrich

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:
13573-16-5
Molecular Weight:
336.43
EC Number:
237-003-3
MDL number:
MFCD00066638
UNSPSC Code:
12352302
PubChem Substance ID:
329751665
NACRES:
NB.24

grade

ACS reagent

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

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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

Color reagent and precipitant for mercury. Precipitant for primary and secondary amines and certain amino acids.
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).

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302 + H312 + H332

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

Certificates of Analysis (COA)

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Preparation of histones by the use of Reinecke salt.
Lindh NO and Brantmark BL.
Analytical Biochemistry, 10(3), 415-420 (1965)
M F el-Shahat et al.
Journal of chemical technology and biotechnology (Oxford, Oxfordshire : 1986), 54(2), 175-181 (1992-01-01)
A spectrophotometric method for the determination of some alkaloids (namely ephedrine HCl, cinchonine HCl, chlorpheniramine maleate, atropine sulphate and diphenhydramine HCl) as separate compounds as well as in pharmaceutical preparations through the formation of their ion-pair (reineckate complexes) is described.
Sheikha M Al-Ghannam
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 69(4), 1188-1194 (2007-08-11)
Three accurate, rapid and simple atomic absorption spectrometric (AAS), conductometric and colorimetric methods were developed for the determination of gatifloxacin (GTF), moxifloxacin (MXF) and sparfloxacin (SPF). The proposed methods depend upon the reaction of ammonium reineckate with the studied drugs
L Campanella et al.
Journal of pharmaceutical and biomedical analysis, 14(8-10), 1047-1054 (1996-06-01)
A new cocaine-sensitive ISFET device based on a cocaine-reineckate ion-pair complex dispersed in a PVC--sebacate matrix has been fabricated. this sensor displays a linear range for cocaine hydrochloride between about 3 x 10(-6) and 2 x 10(-2) M and a
M Eisman et al.
Journal of pharmaceutical and biomedical analysis, 11(4-5), 301-305 (1993-04-01)
An automatic method for the determination of amylocaine and bromhexine hydrochloride by atomic absorption spectrometry (AAS) is proposed. The drugs were determined indirectly by formation of reineckates, extraction into 1,2-dichloroethane and measurement of chromium in the organic phase. The chemical
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