2 - Naphthol

CAS Number: 135-19-3
EINECS: 205-182-7

Synonims: 2-Naphthalenol;ß Naphthol; 2-Hydroxynaphthalene; iso -Naphthol
Chemical Formula: C10H8O
Applications: Analytical reagent: RFE ; USP 25 ;  BP ;  Ph. Eur. IV ;  Manufacture of dyes , perfumer and pharmaceuticals.
Synthesis reagent: Electrophilic substitution occurs preferentially at the 1-position. For nitrosation and use as a means of introduction of a 1-amino-substituent by metabisulphite reduction of the nitroso-compound.

SPECIFICATIONS:

No:
Index
Unit
Result
1
Assay G.C
%
 99
2
Identity
-
 IR p/t.
3
Melting Range
°C
 121-123
4
Insoluble Matter in CH3OH
%
 0,02
5
Residue on ignition (as SO4)
%
 0,1
6
Acidity
-
 p/t
7
Chloride (Cl)
%
 0,02
8
Copper (Cu)
%
 0,002
9
Fe
%
 0,002
10
Ni
%
 0,002
11
Pb
%
 0,002

 

MATERIAL SAFETY DATA SHEET