Sudan Red 7B
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- $11 - $3250
- Product name: Sudan Red 7B
- CAS: 6368-72-5
- MF: C24H21N5
- MW: 379.46
- EINECS:228-862-5
- MDL Number:MFCD00003904
- Synonyms:2-Naphthalenamine, N-ethyl-1-4-(phenylazo)phenylazo-;N-ETHYL-1-((PARA-(PHENYLAZO)PHENYL)AZO)-2-NAPHTHYLAMINE;Fat Red 7B, Fat red bluish, Solvent Red19;Sudan Red 7B,Fat Red 7B, Fat red bluish, Solvent Red19;Sudan Red 7B/Solvent Red 19;Sudan Red 7B 50GR;Sudan Red 7B 5GR;Fat red 7B, Molecular Biology
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Brand
- aablocks
- AK Scientific
- Ambeed
- Cayman Chemical
- Chemenu
- Chem-Impex
- ChemScene
- Sigma-Aldrich
- TCI Chemical
- Thermo Scientific Chemicals
- TRC
- Usbiological
Package
- 25mg
- 500mg
- 1g
- 5g
- 10g
- 25g
- 50g
- 100g
- 250g
- 1KG
- 5 g
- Manufactureraablocks
- Product numberAA00IB6I
- Product descriptionSudan Red 7B ≥95%
- Packaging1g
- Price$15
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IB6I
- Product descriptionSudan Red 7B 98%
- Packaging5g
- Price$20
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IB6I
- Product descriptionSudan Red 7B 98%
- Packaging10g
- Price$32
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IB6I
- Product descriptionSudan Red 7B 98%
- Packaging250g
- Price$529
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IB6I
- Product descriptionSudan Red 7B 98%
- Packaging25g
- Price$58
- Updated2026-05-29
- Buy
- ManufacturerAK Scientific
- Product number7729AH
- Product descriptionSudan Red 7B
- Packaging100g
- Price$282
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product number7729AH
- Product descriptionSudan Red 7B
- Packaging1g
- Price$21
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product number7729AH
- Product descriptionSudan Red 7B
- Packaging25g
- Price$94
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA320489
- Product descriptionSudan Red 7B 98%
- Packaging5g
- Price$43
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA320489
- Product descriptionSudan Red 7B 98%
- Packaging1g
- Price$11
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA320489
- Product descriptionSudan Red 7B 98%
- Packaging25g
- Price$178
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA320489
- Product descriptionSudan Red 7B 98%
- Packaging100g
- Price$569
- Updated2021-12-16
- Buy
- ManufacturerCayman Chemical
- Product number33315
- Product descriptionSudan Red 7B
- Packaging50g
- Price$225
- Updated2026-04-30
- Buy
- ManufacturerCayman Chemical
- Product number33315
- Product descriptionSudan Red 7B
- Packaging5g
- Price$45
- Updated2026-04-30
- Buy
- ManufacturerCayman Chemical
- Product number33315
- Product descriptionSudan Red 7B
- Packaging10g
- Price$72
- Updated2026-04-30
- Buy
- ManufacturerCayman Chemical
- Product number33315
- Product descriptionSudan Red 7B
- Packaging25g
- Price$135
- Updated2026-04-30
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA00IB6I | Sudan Red 7B ≥95% | 1g | $15 | 2026-05-29 | Buy |
| aablocks | AA00IB6I | Sudan Red 7B 98% | 5g | $20 | 2026-05-29 | Buy |
| aablocks | AA00IB6I | Sudan Red 7B 98% | 10g | $32 | 2026-05-29 | Buy |
| aablocks | AA00IB6I | Sudan Red 7B 98% | 250g | $529 | 2026-05-29 | Buy |
| aablocks | AA00IB6I | Sudan Red 7B 98% | 25g | $58 | 2026-05-29 | Buy |
| AK Scientific | 7729AH | Sudan Red 7B | 100g | $282 | 2021-12-16 | Buy |
| AK Scientific | 7729AH | Sudan Red 7B | 1g | $21 | 2021-12-16 | Buy |
| AK Scientific | 7729AH | Sudan Red 7B | 25g | $94 | 2021-12-16 | Buy |
| Ambeed | A320489 | Sudan Red 7B 98% | 5g | $43 | 2021-12-16 | Buy |
| Ambeed | A320489 | Sudan Red 7B 98% | 1g | $11 | 2021-12-16 | Buy |
| Ambeed | A320489 | Sudan Red 7B 98% | 25g | $178 | 2021-12-16 | Buy |
| Ambeed | A320489 | Sudan Red 7B 98% | 100g | $569 | 2021-12-16 | Buy |
| Cayman Chemical | 33315 | Sudan Red 7B | 50g | $225 | 2026-04-30 | Buy |
| Cayman Chemical | 33315 | Sudan Red 7B | 5g | $45 | 2026-04-30 | Buy |
| Cayman Chemical | 33315 | Sudan Red 7B | 10g | $72 | 2026-04-30 | Buy |
| Cayman Chemical | 33315 | Sudan Red 7B | 25g | $135 | 2026-04-30 | Buy |
Properties
Melting point :130 °C (dec.)(lit.)
Boiling point :497.32°C (rough estimate)
Density :1.3490 (rough estimate)
refractive index :1.6300 (estimate)
storage temp. :Amber Vial, Refrigerator, Under inert atmosphere
solubility :Chloroform, DMSO, Methanol
pka :3.58±0.40(Predicted)
Colour Index :26050
form :Powder
color :Maroon
λmax :367-377 nm in toluene (2nd)
528-538 nm in toluene (1st) ε(extinction coefficient) :≥14230 at 367-377nm in toluene
≥24660 at 528-538nm in toluene BRN :3534323
Stability :Light Sensitive
Major Application :cleaning products
cosmetics
food and beverages
personal care 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+
InChIKey :VKWNTWQXVLKCSG-ZDXBJJIESA-N
SMILES :CCNc1ccc2ccccc2c1\N=N\c3ccc(cc3)\N=N\c4ccccc4
CAS DataBase Reference :6368-72-5
IARC :3 (Vol. 8, Sup 7) 1987
EPA Substance Registry System :2-Naphthalenamine, N-ethyl-1-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]- (6368-72-5)
Boiling point :497.32°C (rough estimate)
Density :1.3490 (rough estimate)
refractive index :1.6300 (estimate)
storage temp. :Amber Vial, Refrigerator, Under inert atmosphere
solubility :Chloroform, DMSO, Methanol
pka :3.58±0.40(Predicted)
Colour Index :26050
form :Powder
color :Maroon
λmax :367-377 nm in toluene (2nd)
528-538 nm in toluene (1st) ε(extinction coefficient) :≥14230 at 367-377nm in toluene
≥24660 at 528-538nm in toluene BRN :3534323
Stability :Light Sensitive
Major Application :cleaning products
cosmetics
food and beverages
personal care 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+
InChIKey :VKWNTWQXVLKCSG-ZDXBJJIESA-N
SMILES :CCNc1ccc2ccccc2c1\N=N\c3ccc(cc3)\N=N\c4ccccc4
CAS DataBase Reference :6368-72-5
IARC :3 (Vol. 8, Sup 7) 1987
EPA Substance Registry System :2-Naphthalenamine, N-ethyl-1-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]- (6368-72-5)
Safety Information
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| Signal word: | Warning | ||||||||||||||
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Description
Sudan Red 7B (N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine), also called “fat red” is a member of the Sudan family of hydrophobic lipid-staining dyes. Sudan dyes are a group of lipid soluble solvent dyes often called lysochromes, in structural classification they are diazo dyes. With the use of certain solvents, may also be used to stain some protein bound lipids in paraffin sections. Sudan Red 7B has also been used to stain suberin lamellae in plant tissues.Related product price
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Solvent Black 3
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