Lactose monohydrate (Granulac 200)
(90025742 | 64044-51-5)

CAS: 64044-51-5
Molecular Formula: C12H122O11.H2O
Molecular Weight: 360.32
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Downloads: Product Specification
Lactose monohydrate (Granulac 200) Chemical Structure

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Certificate of Analysis

Product Detail
Product Code 90025742
Product Name Lactose monohydrate (Granulac 200)
Categories Analytical Reagents Biochemicals Carbohydrates Diagnostic Raw Materials
CAS 64044-51-5
Molecular Formula C12H122O11.H2O
Molecular Weight 360.32
Storage Details Ambient
Harmonised Tariff Code

Product Specification
Conclusion Conforms to Ph.Eur.; USP-NF; JP
Heavy metals <5µg/g
E.Coli absence in 10g
Salmonella absence in 10g
Loss on Drying <0.5%
Water Content 4.5 - 5.5 %
Solubility freely but slowly soluble in water, practically insoluble in ethanol (96 per cent)
Sulphated Ash <0.1%
Appearance of Solution max 3NTU (the solution is clear)
Specific optical rotation +54.4 - +55.9 °
Total Aerobic Count <100cfu/g
Appearance white or almost white, crystalline, odourless powder.
Appearance of Solution (EP) The solution is not more intensely coloured than reference solution BY
Particle Size Distribution < 32 μm: 45-75%; <100µm: >90%
400nm Absorbance <0.04
Total Yeast & Mold <50cfu/g
Absorbance from 270 to 300 nm <0.07
Absorbance from 210 to 220 nm <0.25
pH (4.01g in 25ml Di water 15-16°C) 4.66

Safety Information
Signal word none
Hazard statements
Precautionary statements
  • P232: Protect from moisture