Product: Dimethyl   5-sulfoisophthalate sodium salt hydrate

Other name:   SIPM, DIMSIP

CAS NO. :   3965-55-7

Item

Specification

Appearance

white powder   without visible impurities

Content %

≥99

Acid value (mg   KOH/g)   ≤

0.6

Saponification   number (mg KOH/g)

376—380

Sulfate radical   ppm       ≤

100

Moisture   (Wt%)     ≤

0.2

Fe   ppm      ≤

4

Absorbance     ≤

0.05

Chlorine ion   ppm      ≤

15