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D(+)-Lactose monohydrate, Pharmpur®, Ph Eur, BP, NF

- Synonyms: Lactobiose, Milk sugar
- C12H22O11·H2O
- M = 360,32 g/mol
- CAS [10039-26-6]
- EINECS-No.: 200-559-2
- Solub. in water: (20 ºC): freely soluble
- Melting point: 202 ºC
- Tariff number: 1702 11 00 00
- Applications: analytical chemistry, synthesis of organic products, in food industry, for pharmaceutical use, in biochemistry, nutrient media for bacterial culture, in pharma industry.

SPECIFICATIONS
identity (IR-spectrum): passes test
Identification color reaction: passes test
Identification TLC: passes test
Identification water: passes test
absorbance: passes test
acidity or alkalinity: passes test
appearance of solution (10 %, H2O): passes test
clarity and colour of solution: max. 0,04 %
specific rotation ([a]20°/D, c = 10, H2O): + 54,4 º - + 55,9 °
sulphated ash: max. 0,1 %
total aerobic microbial count (TAMC): max. 100 CFU/g

mould count (TYMC): max. 50 UFC/g
absence of escherichia coli: passes test

max. absorbance from 210 - 220 nm: 0,25 AU
max. absorbance from 270 - 300 nm: 0,07 AU

residue on ignition: max. 0,1 %
loss on drying (80 °C, 2 h) : max. 0,5 %
water (K.F.): 4,5 - 5,5 %