F2256

Fast Red RC Salt

Name: Fast Red RC Salt
Brand: SIAL

Powder

Synonym(s):

2-Amino-4-chloroanisole diazotated zinc chloride complex, 5-Chloro-2-methoxybenzenediazonium chloride hemi(zinc chloride) salt, Diazo Fast Red RC

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About This Item

Empirical Formula (Hill Notation):

C₇H₆Cl₂N₂O · 0.5ZnCl₂

CAS Number:

68025-25-2

Molecular Weight:

273.19

Colour Index Number:

37120

EC Number:

268-183-1

MDL number:

MFCD00074764

UNSPSC Code:

12171500

PubChem Substance ID:

24894818

NACRES:

NA.47

Key Documents

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Product Name

Fast Red RC Salt,

form

powder

Quality Level

200

composition

Dye content, ~20%

color

faint yellow to yellow

solubility

water: 1 mg/mL

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Cl-].[Cl-].Cl[Zn]Cl.COc1ccc(Cl)cc1[N+]#N.COc2ccc(Cl)cc2[N+]#N

InChI

1S/2C7H6ClN2O.4ClH.Zn/c2*1-11-7-3-2-5(8)4-6(7)10-9;;;;;/h2*2-4H,1H3;4*1H;/q2*+1;;;;;+2/p-4

InChI key

YHUGASVQWCSKGW-UHFFFAOYSA-J

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Show Differences

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This Item	F0500	F3381	FBS25
Sigma-Aldrich F2256 Fast Red RC Salt	Sigma-Aldrich F0500 Fast Blue RR Salt	Sigma-Aldrich F3381 Fast Red Violet LB Salt	Sigma-Aldrich FBS25 Fast Blue RR Salt
color faint yellow to yellow	color -	color -	color -
application(s) diagnostic assay manufacturing hematology histology	application(s) diagnostic assay manufacturing hematology histology	application(s) diagnostic assay manufacturing hematology histology	application(s) hematology histology
solubility water: 1 mg/mL	solubility water: 1 mg/mL, clear to hazy, yellow-green	solubility H₂O: 1 mg/mL	solubility -
form powder	form crystalline	form powder	form powder
storage temp. room temp	storage temp. −20°C	storage temp. room temp	storage temp. −20°C
Quality Level 200	Quality Level 200	Quality Level 100	Quality Level 500

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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