ChemicalBook > CAS DataBase List > OIL YELLOW OB

OIL YELLOW OB

Product Name
OIL YELLOW OB
CAS No.
131-79-3
Chemical Name
OIL YELLOW OB
Synonyms
KI405;jauneob;CI 11390;NSC11234;YELLOW OB;NSC 11234;NSC-11234;fd&cyellow4;FD&CYELLOWOB;zlutmaselnaob
CBNumber
CB9428485
Molecular Formula
C17H15N3
Formula Weight
261.32
MOL File
131-79-3.mol
More
Less

OIL YELLOW OB Property

Melting point:
125-126° (Fischer)
Boiling point:
394.58°C (rough estimate)
Density 
1.1394 (rough estimate)
refractive index 
1.6360 (estimate)
IARC
3 (Vol. 8, Sup 7) 1987
EPA Substance Registry System
C.I. Solvent Yellow 6 (131-79-3)
More
Less

Safety

Hazardous Substances Data
131-79-3(Hazardous Substances Data)
Toxicity
LD50 oral in rat: 120mg/kg
More
Less

Hazard and Precautionary Statements (GHS)

More
Less

N-Bromosuccinimide Price

American Custom Chemicals Corporation
Product number
DYE0002316
Product name
ORTHO-TOLUENEAZO-2-NAPHTHYLAMINE
Purity
98.00%
Packaging
10G
Price
$1487.64
Updated
2021/12/16
More
Less

OIL YELLOW OB Chemical Properties,Usage,Production

Chemical Properties

Orange or yellow powder. Insoluble in water; soluble in alcohol and oils.

Uses

Biological stain.

Definition

ChEBI: Yellow OB is a member of azobenzenes.

Preparation

O-Methylaniline diazotization, and Naphthalen-2-amine coupling.

Hazard

Consult regulations before using in food products. Questionable carcinogen.

Safety Profile

A 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 Applications

red 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 materials

Preparation Products

More
Less

OIL YELLOW OB Suppliers

Service Chemical Inc.
Tel
--
Fax
--
Email
sales@chemos-group.com
Country
Germany
ProdList
6350
Advantage
71

131-79-3, OIL YELLOW OBRelated Search:


  • 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
  • KI405
  • fdandcyellowno.4
  • jauneob
  • oilyellowobpure
  • o-toluene-1-azo-2-naphthylamine
  • zlutmaselnaob
  • zlutrozpoustedlova6
  • YELLOW OB
  • OIL YELLOW OB
  • O-TOLUENEAZO-2-NAPHTHYLAMINE
  • a.f.yellowno.3
  • c.i.foodyellow11
  • c.i.solventyellow6
  • cerisolyellowtb
  • dolkwalyellowob
  • extdandcyellowno.10
  • fd&cyellow4
  • 2-Naphthalenamine, 1-(2-methylphenyl)azo-
  • SOLVENTYELLOW6
  • FD&CYELLOWNO4
  • FD&CYELLOWOB
  • 1-(ORTHO-TOLYLAZO)-2-NAPHTHYLAMINE
  • 1-(2-methylphenyl)diazenylnaphthalen-2-amine
  • (E)-1-(o-Tolyldiazenyl)naphthalen-2-amine
  • C. I. Solvent Yellow 6 (Oil Yellow OB)
  • 2-Naphthalenamine, 1-[2-(2-methylphenyl)diazenyl]-
  • C.I.Solvent Yellow 6:C.I.11390
  • C Yellow No. 4
  • NSC 11234
  • NSC11234
  • NSC-11234
  • 131-79-3
  • C17H15N3