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OIL YELLOW OB

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OIL YELLOW OB Suppliers list
Company Name: Hubei Jusheng Technology Co.,Ltd.
Tel: 18871490254
Email: linda@hubeijusheng.com
Products Intro: Product Name:1-[(2-methylphenyl)diazenyl]naphthalen-2-amine
CAS:131-79-3
Purity:0.99 Package:5KG;1KG Remarks:C17H15N3
Company Name: Alchem Pharmtech,Inc.
Tel: 8485655694
Email: sales@alchempharmtech.com
Products Intro: Product Name:(E)-1-(o-Tolyldiazenyl)naphthalen-2-amine
CAS:131-79-3
Purity:97+% Package:1g;10g;100g;;1kg Remarks:Z-33273
Company Name: Hangzhou MolCore BioPharmatech Co.,Ltd.
Tel: +86-057181025280; +8617767106207
Email: sales@molcore.com
Products Intro: Product Name:(E)-1-(o-Tolyldiazenyl)naphthalen-2-amine
CAS:131-79-3
Purity:95%+ Remarks:MC768389
Company Name: TargetMol Chemicals Inc.
Tel: +1-781-999-5354
Email: support@targetmol.com
Products Intro: Product Name:FD&C Yellow No. 4；NSC-11234;Yellow OB;NSC 11234;NSC11234
CAS:131-79-3
Package:100 mg；500 mg Remarks:REAGENT;FOR LABORATORY USE ONLY
Company Name: Z-trans Biochemistry Technology (Suzhou) Co.,Ltd  
Tel: 0512-66317708 13372112871
Email: huijuan@zitrans.cn
Products Intro: Product Name:OIL YELLOW OB
CAS:131-79-3
Purity:95% Package:10g;100g
OIL YELLOW OB Basic information
Product Name:OIL YELLOW OB
Synonyms:1-((2-methylphenyl)azo)-2-naphthalenamine;1-(2-methylphenyl)azo-2-naphthalenamine;1-(2-methylphenyl)azo-2-naphthylamine;1-(2-o-tolylazo)-2-naphthylamine;1-(o-tolylazo)-2-naphthylamin;1-(o-tolylazo)-2-naphthylamine;CI 11390;1-[(2-methylphenyl)azo]naphthalen-2-amine
CAS:131-79-3
MF:C17H15N3
MW:261.32
EINECS:205-039-9
Product Categories:
Mol File:131-79-3.mol
OIL YELLOW OB Structure
OIL YELLOW OB Chemical Properties
Melting point 125-126° (Fischer)
Boiling point 394.58°C (rough estimate)
density 1.1394 (rough estimate)
refractive index 1.6360 (estimate)
IARC3 (Vol. 8, Sup 7) 1987
EPA Substance Registry SystemC.I. Solvent Yellow 6 (131-79-3)
Safety Information
Hazardous Substances Data131-79-3(Hazardous Substances Data)
ToxicityLD50 oral in rat: 120mg/kg
MSDS Information
OIL YELLOW OB Usage And Synthesis
Chemical PropertiesOrange or yellow powder. Insoluble in water; soluble in alcohol and oils.
UsesBiological stain.
DefinitionChEBI: Yellow OB is a member of azobenzenes.
PreparationO-Methylaniline diazotization, and Naphthalen-2-amine coupling.
HazardConsult regulations before using in food products. Questionable carcinogen.
Safety ProfileA poison by ingestion. Moderately toxic by intraperitoneal and subcutaneous routes. Questionable carcinogen with experimental tumorigenic data. May be contaminated with the carcinogen p-naphthylamine. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also AROMATIC AMINES.
Properties and Applicationsred light yellow to orange (in mineral oil). Soluble in ethanol and Toluene, insoluble in water. In the crystallization of from ethanol to get is a deep red, melting point is 126 ℃. In concentrated sulfuric acid to red light purple, after diluted solution for red, orange brown precipitation. Dye alcohol solution to join hydrochloric acid solution more red; Sodium hydroxide and the same color.
Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Good 126 70 Insoluble Well Well
OIL YELLOW OB Preparation Products And Raw materials
Raw materialsO-TOLUIDINE HYDROCHLORIDE-->2-Naphthylamine-->2-Naphthylamine-->o-Toluidine
Tag:OIL YELLOW OB(131-79-3) Related Product Information
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