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F8764

Sigma-Aldrich

Fast Red TR Salt hemi(zinc chloride) salt

Synonym(s):

4-Chloro-2-methylbenzenediazonium salt, Azoic Diazo No. 11

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About This Item

Empirical Formula (Hill Notation):
C7H6Cl2N2 · 0.5 ZnCl2
CAS Number:
89453-69-0
Molecular Weight:
257.19
Colour Index Number:
37085
MDL number:
MFCD00074766
UNSPSC Code:
12352204
PubChem Substance ID:
24894975
NACRES:
NA.83
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form

powder

composition

Dye content, >90%

solubility

water: 25 mg/mL, clear, colorless to light yellow

storage temp.

−20°C

SMILES string

[Cl-].[Cl-].Cl[Zn]Cl.Cc1cc(Cl)ccc1[N+]#N.Cc2cc(Cl)ccc2[N+]#N

InChI

1S/2C7H6ClN2.4ClH.Zn/c2*1-5-4-6(8)2-3-7(5)10-9;;;;;/h2*2-4H,1H3;4*1H;/q2*+1;;;;;+2/p-4

InChI key

RIIVFDKBXXMYRL-UHFFFAOYSA-J

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Signal Word

Danger

Hazard Statements

H302,H314,H410

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Corr. 1C

Storage Class Code

4.1A - Other explosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
091M5300V
091M5300
129K5300
089K5301
019K5309

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Sigma-Aldrich

F0500

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Improved in situ hybridization: color intensity enhancement procedure for the alkaline phosphatase/Fast Red system.
K P Chiu et al.
BioTechniques, 20(6), 964-966 (1996-06-01)
The effects of 4-chloro-ortho-toluidine (fast red TR) subacute intoxication on rats. Part I: The kidney and the urinary bladder epithelium.
A Godlewski et al.
Folia morphologica, 55(4), 253-255 (1996-01-01)
T Kenzaka et al.
Microbiology (Reading, England), 144 ( Pt 8), 2085-2093 (1998-08-28)
An improved in situ hybridization technique, HNPP-FISH, using 2-hydroxy-3-naphthoic acid 2'-phenylanilide phosphate (HNPP) and Fast Red TR was applied to analyse the community structure of planktonic bacteria in river water. Oligonucleotide probes specific for the domain Bacteria (EUB338) and five
G E Hoffmann et al.
Journal of clinical chemistry and clinical biochemistry. Zeitschrift fur klinische Chemie und klinische Biochemie, 23(11), 759-763 (1985-11-01)
In the present study, the reaction of 15 different diazonium salts with serum bilirubin is examined. It is shown that the selectivity of the determination of non-conjugated and total bilirubin greatly depends on two conditions: the pH-value of the reaction
I A Kossevitch et al.
The Biological bulletin, 201(3), 417-423 (2001-12-26)
The colonies of thecate hydroids are covered with a chitinous tubelike outer skeleton, the perisarc. The perisarc shows a species-specific pattern of annuli, curvatures, and smooth parts. This pattern is exclusively formed at the growing tips at which the soft
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