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201618

Sudan Red 7B

Synonym(s):

Fat Red 7B, Fat red bluish, Solvent Red 19

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About This Item

Empirical Formula (Hill Notation):
C24H21N5
CAS Number:
6368-72-5
Molecular Weight:
379.46
NACRES:
NA.47
PubChem Substance ID:
24852014
UNSPSC Code:
12171500
EC Number:
228-862-5
MDL number:
MFCD00003904
Beilstein/REAXYS Number:
3534323
Colour Index Number:
26050
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form

powder

Quality Segment

200

technique(s)

microbe id | staining: suitable

mp

130 °C (dec.) (lit.)

solubility

acetone: 10 mg/mL

λmax

364 nm (2nd), 533 nm

ε (extinction coefficient)

≥14230 at 367-377 nm in toluene, ≥24660 at 528-538 nm in toluene

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

CCNc1ccc2ccccc2c1\N=N\c3ccc(cc3)\N=N\c4ccccc4

InChI

1S/C24H21N5/c1-2-25-23-17-12-18-8-6-7-11-22(18)24(23)29-28-21-15-13-20(14-16-21)27-26-19-9-4-3-5-10-19/h3-17,25H,2H2,1H3/b27-26+,29-28+

InChI key

VKWNTWQXVLKCSG-ZDXBJJIESA-N

Application

Sudan Red 7B has been used to stain the fat bodies of Ostrinia nubilalis (Hübner) larvae.

Biochem/physiol Actions

Sudan red 7B, also known as fat red, is a non-fluorescent stain. It is effectively used to stain lipids and is used to indicate the presence of suberin in cell walls. Sudan red 7B acts as a marker for formosan subterranean termite, Coptotermes fornosanus Shiraki.

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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