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Merck
CN

44760

Fast Black K salt

Synonym(s):

2,5-Dimethoxy-4-(4-nitrophenylazo)benzenediazonium chloride zinc double salt, 4-Amino-2,5-dimethoxy-4′-nitroazobenzene diazotated zinc double salt, Azoic Diazo No. 38

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About This Item

Empirical Formula (Hill Notation):
C14H12ClN5O4 · 0.5ZnCl2
CAS Number:
64071-86-9
Molecular Weight:
417.88
EC Number:
264-656-1
UNSPSC Code:
12171500
PubChem Substance ID:
329756542
Colour Index Number:
37190
MDL number:
MFCD00078471

Key Documents

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InChI key

NZWZSUSPTZUGNN-UHFFFAOYSA-J

InChI

1S/2C14H12N5O4.4ClH.Zn/c2*1-22-13-8-12(14(23-2)7-11(13)16-15)18-17-9-3-5-10(6-4-9)19(20)21;;;;;/h2*3-8H,1-2H3;4*1H;/q2*+1;;;;;+2/p-4

SMILES string

[Cl-].[Cl-].Cl[Zn]Cl.COc1cc([N+]#N)c(OC)cc1N=Nc2ccc(cc2)[N+]([O-])=O.COc3cc([N+]#N)c(OC)cc3N=Nc4ccc(cc4)[N+]([O-])=O

form

powder

mp

150 °C (dec.) (lit.)

solubility

water: 0.1 g/10 mL

εmax

≥45 at 452-462 nm in water

suitability

suitable for microscopy

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Regulatory Information

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