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HomeProduct name listOIL YELLOW OB

OIL YELLOW OB

  • CAS NO.:131-79-3
  • Empirical Formula: C17H15N3
  • Molecular Weight: 261.32
  • MDL number: MFCD00046381
  • EINECS: 205-039-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-04 17:34:32
OIL YELLOW OB Structural

What is OIL YELLOW OB?

Chemical properties

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

The Uses of OIL YELLOW OB

Biological stain.

Preparation

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

Definition

ChEBI: Yellow OB is a member of azobenzenes.

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

Properties of OIL YELLOW OB

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)

Safety information for OIL YELLOW OB

Computed Descriptors for OIL YELLOW OB

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