201618

Sigma-Aldrich

Sudan Red 7B

Synonym(s):
Fat Red 7B, Fat red bluish, Solvent Red 19
Empirical Formula (Hill Notation):
C24H21N5
CAS Number:
Molecular Weight:
379.46
Colour Index Number:
26050
Beilstein/REAXYS Number:
3534323
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

Quality Level

form

powder

application(s)

hematology: suitable
histology: 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

Featured Industry

Diagnostic Assay Manufacturing

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

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Related Categories

Application

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

Packaging

10, 50 g in glass bottle

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.

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

James L. Brewster
Onions and Other Vegetable Alliums (2008)
A.L. Smit
Root Methods: A Handbook (2013)
Sudan Red 7B, a Dye Marker for Coptotermes formosanus
Lai PY
Hawaiian Entomological Society., 277-282 (1983)
Effect of Age and Mating Status on Adult European Corn
Borer (Lepidoptera: Crambidae) Dispersal from Small-Grain
Aggregation Plots
Reardon B J
Journal of Economic Entomology, 100, 1116-1123 (2007)
NAN-YAO SU
Material und Organismen: Materials and organisms. Materiaux et organismes (1980)

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