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ChemicalBook >> CAS DataBase List >> SUDAN II

SUDAN II

SUDAN II price.
  • $10 - $2501.95
  • Product name: SUDAN II
  • CAS: 3118-97-6
  • MF: C18H16N2O
  • MW: 276.33
  • EINECS:221-490-4
  • MDL Number:MFCD00003896
  • Synonyms:Sudan scarlet 6g;Sudan X;sudanorangerpa ;sudanscarlet6g ;Waxakol vermilion L;waxakolvermilion ;waxakolvermilionl ;1-[(E)-(2,4-Dimethylphenyl)diazenyl]-2-naphthol
33 prices
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  • aablocks
  • AK Scientific
  • American Custom Chemicals Corporation
  • Arctom
  • Chem-Impex
  • DC Chemicals
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
  • Usbiological
Package
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  • Manufactureraablocks
  • Product numberAA00I5RK
  • Product descriptionSudan Red II
  • Packaging25g
  • Price$10
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00I5RK
  • Product descriptionSudan Red II
  • Packaging100g
  • Price$21
  • Updated2026-05-29
  • Buy
  • ManufacturerAK Scientific
  • Product number6447AF
  • Product descriptionSudan II
  • Packaging25g
  • Price$54
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0032191
  • Product descriptionSUDAN II 95.00%
  • Packaging100G
  • Price$2501.95
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberCS-0016870
  • Product descriptionSudan II >=98%
  • Packaging1kg
  • Price$91
  • Updated2026-05-25
  • Buy
  • ManufacturerArctom
  • Product numberCS-0016870
  • Product descriptionSudan II >=98%
  • Packaging1kg
  • Price$91
  • Updated2026-05-26
  • Buy
  • ManufacturerChem-Impex
  • Product number22796
  • Product descriptionSudanII,90%(Dyecontent) 90%(Dyecontent)
  • Packaging100G
  • Price$44.8
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22796
  • Product descriptionSudanII,90%(Dyecontent) 90%(Dyecontent)
  • Packaging250G
  • Price$89.6
  • Updated2021-12-16
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  • ManufacturerChem-Impex
  • Product number22796
  • Product descriptionSudanII,90%(Dyecontent) 90%(Dyecontent)
  • Packaging25G
  • Price$16.8
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22796
  • Product descriptionSudan II ≥90%(Dyecontent)
  • Packaging5KG
  • Price$1310.16
  • Updated2026-05-19
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  • ManufacturerChem-Impex
  • Product number22796
  • Product descriptionSudan II ≥90%(Dyecontent)
  • Packaging1KG
  • Price$346.22
  • Updated2026-05-19
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  • ManufacturerChem-Impex
  • Product number22796
  • Product descriptionSudan II ≥90%(Dyecontent)
  • Packaging250G
  • Price$116.67
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number22796
  • Product descriptionSudanII,≥90%(Dyecontent) ≥90%(Dyecontent)
  • Packaging1KG
  • Price$291.2
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22796
  • Product descriptionSudan II ≥90%(Dyecontent)
  • Packaging100G
  • Price$60.99
  • Updated2026-05-19
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  • ManufacturerChem-Impex
  • Product number22796
  • Product descriptionSudan II ≥90%(Dyecontent)
  • Packaging25G
  • Price$22.03
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number22796
  • Product descriptionSudanII,≥90%(Dyecontent) ≥90%(Dyecontent)
  • Packaging5KG
  • Price$1153.15
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00I5RK Sudan Red II 25g $10 2026-05-29 Buy
aablocks AA00I5RK Sudan Red II 100g $21 2026-05-29 Buy
AK Scientific 6447AF Sudan II 25g $54 2021-12-16 Buy
American Custom Chemicals Corporation CHM0032191 SUDAN II 95.00% 100G $2501.95 2021-12-16 Buy
Arctom CS-0016870 Sudan II >=98% 1kg $91 2026-05-25 Buy
Arctom CS-0016870 Sudan II >=98% 1kg $91 2026-05-26 Buy
Chem-Impex 22796 SudanII,90%(Dyecontent) 90%(Dyecontent) 100G $44.8 2021-12-16 Buy
Chem-Impex 22796 SudanII,90%(Dyecontent) 90%(Dyecontent) 250G $89.6 2021-12-16 Buy
Chem-Impex 22796 SudanII,90%(Dyecontent) 90%(Dyecontent) 25G $16.8 2021-12-16 Buy
Chem-Impex 22796 Sudan II ≥90%(Dyecontent) 5KG $1310.16 2026-05-19 Buy
Chem-Impex 22796 Sudan II ≥90%(Dyecontent) 1KG $346.22 2026-05-19 Buy
Chem-Impex 22796 Sudan II ≥90%(Dyecontent) 250G $116.67 2026-05-19 Buy
Chem-Impex 22796 SudanII,≥90%(Dyecontent) ≥90%(Dyecontent) 1KG $291.2 2021-12-16 Buy
Chem-Impex 22796 Sudan II ≥90%(Dyecontent) 100G $60.99 2026-05-19 Buy
Chem-Impex 22796 Sudan II ≥90%(Dyecontent) 25G $22.03 2026-05-19 Buy
Chem-Impex 22796 SudanII,≥90%(Dyecontent) ≥90%(Dyecontent) 5KG $1153.15 2021-12-16 Buy

Properties

Melting point :156-158 °C(lit.)
Boiling point :419.24°C (rough estimate)
Density :1.1318 (rough estimate)
vapor pressure :0Pa at 25℃
refractive index :1.5800 (estimate)
Flash point :231.6°
storage temp. :Hygroscopic, Refrigerator, Under inert atmosphere
solubility :Chloroform (Slightly), DMSO (Slightly, Heated, Sonicated), Ethyl Acetate (Slight
Colour Index :12140
pka :13.52±0.50(Predicted)
form :Powder
color :Red to orange-brownish
Water Solubility :54.45μg/L at 25℃
λmax :493 nm
604 nm (2nd) ε(extinction coefficient) :≥14000 at 491-497nm in methanol at 0.005g/L
≥9000 at 419-425nm in methanol at 0.005g/L Stability :Hygroscopic
Major Application :diagnostic assay manufacturing
hematology
histology InChI :1S/C18H16N2O/c1-12-7-9-16(13(2)11-12)19-20-18-15-6-4-3-5-14(15)8-10-17(18)21/h3-11,21H,1-2H3/b20-19+
InChIKey :JBTHDAVBDKKSRW-FMQUCBEESA-N
SMILES :Cc1ccc(\N=N\c2c(O)ccc3ccccc23)c(C)c1
LogP :6.6
CAS DataBase Reference :3118-97-6
IARC :3 (Vol. 8, Sup 7) 1987
EPA Substance Registry System :C.I. Solvent Orange 7 (3118-97-6)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)Health Hazard (GHS08)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
Precautionary statements:
P201 Obtain special instructions before use.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Description

Sudan II (1-(2,4-Xylylazo)-2-naphthol), also known as Solvent Orange 7, is a member of the Sudan family of hydrophobic fat-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. By studying the cellular regions where the dye is sequestered, Sudan II has been used it to evaluate how certain toxins interact with membranes.

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