Lactose Monohydrate AR 500Gram

PRODUCT CODE 560915
SYNONYMS (α-Lactose monohydrate)
C.I. NO. --
CASR NO. (10039-26-6)
ATOMIC OR MOLECULAR FORMULA C12H22O11.H2O
ATOMIC OR MOLECULAR WEIGHT 360.31
PROPERTIES Sweet taste; Odorless; Stable in air. Insoluble
chloroform and ether.

PARAMETER LIMIT
Description A white to almost white crystalline powder.
Solubility 10% solution in hot water (50°C) is clear.
Identification (By FTIR) Conforms.
Minimum assay (by GC) 99.0%
Specific Rotation [α] 20°D
(C=10%, in water & 0.2 ml dil. NH3) +54.4°to +55.9°
Absorbance/Light absorption Passes test.

MAXIMUM LIMIT OF IMPURITIES
Sulphated ash 0.05%
Water (By KF) 4.5 - 5.5%
Insoluble matter 0.005%
Acidity or alkalinity Passes test.
Free Acid 0.5 ml N/1%
Alcohol soluble impurities 0.2%
Arsenic (As) 0.0001%
Copper (Cu) 0.00005%
Iron (Fe) 0.0002%
Heavy metals (as Pb) 0.0001%
Microbial contamination NMT 100 org/g