Chemrider Industrial Co., Limited

Refractive Index 1.469-1.478 Density 0.92-0.94mg/ml Vitamin E 300mg/100g Impurity 0.05% Assay of fatty acids (Total) 80 110 %

DIMETHYLTHIOCARBAMOYL CHLORIDE

Ascorbic Acid (powder, liquid)

Appearance Colorless transparent liquid Assay 99% Moisture 0.2% Impurities 0.3% Boiling point 116-118DEG 2-Methylindole 0.5% In

Description Colorless to pale yellow liquid Refractive index(20 ) 1.4580~1.4700 Optical rotation(20 ) 0~+10 Cineole co

Specific gravity 0.975-0.992 Refractive Index (20 ) 1.5525-1.5600 Optical Rotation (20 ) - 2 ~ +2 Anethole GC, %

Acid value (mg KOH/g) 0.27 Peroxide value (meq/kg) 2.47 Color Brown-green Fatty acid Min 95%

Characteristics Light yellow powder, no characteristic odor. Sulphated Ash Max.0.6% Loss on drying Max.5.0% Assay (dried) (UV) Spectrophotometric

Appearance Colorless liquid Assay 98.0% Water 0.1%