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C8822

Crocein Scarlet 7B

Name: Crocein Scarlet 7B
Brand: SIGMA

Powder

Synonym(s):

Acid Red 71

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About This Item

Linear Formula:

C₂₄H₁₈N₄O₇S₂Na₂

CAS Number:

6226-76-2

Molecular Weight:

584.53

Colour Index Number:

27165

UNSPSC Code:

12171500

PubChem Substance ID:

24893109

NACRES:

NA.47

MDL number:

MFCD00056588

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Properties

Product Name

Crocein Scarlet 7B,

form

powder

Quality Level

200

composition

Dye content, ~65-85%

color

red to brown

solubility

H₂O: 1 mg/mL

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na].Cc1cc(ccc1\N=N\c2c(O)ccc3cccc(c23)S(O)(=O)=O)\N=N\c4ccc(cc4C)S(O)(=O)=O

InChI

1S/C24H20N4O7S2.Na.H/c1-14-12-17(25-26-20-10-8-18(13-15(20)2)36(30,31)32)7-9-19(14)27-28-24-21(29)11-6-16-4-3-5-22(23(16)24)37(33,34)35;;/h3-13,29H,1-2H3,(H,30,31,32)(H,33,34,35);;/b26-25+,28-27+;;

InChI key

HJEUGBJDHUTXMF-NPYGFOBASA-N

Description

Biochem/physiol Actions

Crocein Scarlet 7B (acid red 71) is used in Crowle′s reagent. The reagent is needed for observing latent fingerprints, particularly bloody prints.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Bell S

A Dictionary of Forensic Science (2012)

Global Trade Item Number

SKU	GTIN
C8822-5G	04061833522844
C8822-25G	04061833522837
C8822-1G	04061826116678