Description
PRODUCT NAME :
SCHAEFFER’S ACID (SODIUM SALT )
SYNONYMS
: 2 –NAPHTHOL 6 DI SULPHONIC ACID
2 – HYDROXYNAPHTHELENE 6
SULPHONIC ACID
FORMULA
: C*0 H8 O4 S
MOLECULER WEIGHT : **4 GM /
MOL
CAS NO
: ******6 (FREE
ACID)
: *******2 ( SODIUM SALT )
PURITY
: *5% Min by
Coupling value M.W. **4
*0% Min by Coupling value M.W.
**6
SALE BASIS : MW **6 ON **0 % BASIS
( REAL BASIS )
PHYSICAL APPEARANCE : Off White / Grayish white wet
cake
SOLUBILITY
: Soluble in water and alkaline
water
INSOLUBLE
: Less than 0.2%
ORGANIC IMPURITIES : Beta Naphthol
content Max 0.*5%
R-Salt
content Max 0.*5%
G -Salt
content Max 0.*5%
DON’S ACID
content Max 0.2 %
Trisulfonic acid
Traces
METAL CONTENT
: Iron content Max *0 ppm
Lead content Max 5 ppm
PACKING
: *5/*0 Kgs HDPE bags with
liner
USES
:
Intermediates for Acid dyes and food color.
