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Key Documents

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201618

Sigma-Aldrich

Sudan Red 7B

Synonym(s):

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

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100 ML
¥1,709.01
500 ML
¥6,172.90

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Estimated to ship on2025年5月20日Details

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100 ML
¥1,709.01
500 ML
¥6,172.90

About This Item

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

¥1,709.01

Estimated to ship on2025年5月20日Details

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form

powder

Quality Level

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

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1 of 4

This Item
S4136S4261S4131
苏丹红 7B

201618

苏丹红 7B

苏丹三号 BioXtra, certified by the BSC

S4136

苏丹三号

Sudan IV certified by the BSC, BioXtra

S4261

Sudan IV

苏丹三号 Technical grade

S4131

苏丹三号

solubility

acetone: 10 mg/mL

solubility

toluene: 1 mg/mL, clear, red

solubility

-

solubility

chloroform: 1 mg/mL, clear, red

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

form

powder

form

powder

form

powder

form

powder

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

λmax

364 nm (2nd), 533 nm

λmax

-

λmax

356-360 nm (2nd), 519-523 nm (1st)

λmax

508-512 nm in ethanol

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

Application

Sudan Red 7B has been used to stain the fat bodies of Ostrinia nubilalis (Hübner) larvae.[1]

Biochem/physiol Actions

Sudan red 7B, also known as fat red, is a non-fluorescent stain.[2] It is effectively used to stain lipids and is used to indicate the presence of suberin in cell walls.[2][3][4] Sudan red 7B acts as a marker for formosan subterranean termite, Coptotermes fornosanus Shiraki.[5][6]

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

    • Choose from one of the most recent versions:

    Certificates of Analysis (COA)

    Lot/Batch Number
    BCCM8159
    BCCL6307
    BCCK9917
    BCCH8605
    BCCD7081

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    Sudan Red 7B, a Dye Marker for Coptotermes formosanus
    Lai PY
    Hawaiian Entomological Society., 277-282 (1983)
    A.L. Smit
    Root Methods: A Handbook (2013)
    James L. Brewster
    Onions and Other Vegetable Alliums (2008)
    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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