2-Naphthol

Post Date:
Apr 07,2017
Expiry Date:
Oct 04,2017
Detailed Description:
Cas No. :135-19-3
Quality Index:
Appearance: off-white sheet or powdery solid

Purity: ≥99.0%
1-Naphthalene: ≤ 0.3%
EC number: 205-182-7

Description:
White chips or white powder, insoluble in water, soluble in ethanol, ether, chloroform, glycerol and alkali solution Physical parameters:
Density: 1.28 g / mL
Melting point: 120-122 ° C (lit.)
Boiling point: 285-286 ° C (lit.)
Flash point: 153 ℃

Stability: long storage color gradually deepened, stable in the air, but exposed to sunlight when the color gradually deepened. Can evaporate with water vapor.

Chromogenic reaction: its aqueous solution and ferric chloride solution reaction, was green aroma: pungent odor.
Solubility: insoluble in water, soluble in ethanol, ether, chloroform, glycerol and alkaline solution.

Storage Transportation:
Sealed, kept in cool and dry place. Keep away from light

Uses

is organic synthetic material and dye intermediate, for the manufacture of Tobias acid, butyric acid, [beta]-naphthol-3-carboxylic acid. It is also a raw material for rubber antioxidants, mineral concentrates, fungicides, fungicides, preservatives, insects and insect repellent. also have applications in the spices, leather tanning agents, textile auxiliaries, etc..
CAS Registry Number:
135-19-3
Synonyms:
;C.I. 37500;C.I. Azoic coupling component 1;C.I. Developer 5;betanaphthol;2-naftol;2-naftolo;2-naphtol;antioxygene bn;azogen developer a;azogendevelopera;azoiccouplingcomponent1;beta-monoxynaphthalene;2-hydroxynaphthalene;beta naphthol;beta-naphthol;b-naphtol;naphthalen-2-ol;
Molecular Formula:
C₁₀H₈O
Molecular Weight:
144.1699
Molecular Structure:
Hazard Symbols:
Xn:Harmful;
N:Dangerous for the environment;
Risk Codes:
R20/22:;
R50:;
Safety Description:
S24/25:;
S61:;