D-Glucosamine hydrochloride

ITEM

STANDARD

Properties (physical):

Appearance

White Crystalline, Free Flowing Powder

Odour

Odourless

Bulk Density

NLT0.70g/mL

As Tapped Density

Meets the requirements of USP40

Particle Size

NLT 98% through 30 Mesh

Analytical Properties:

Assay (HPLC)

98.0%~102.0% (on the dried basis)

Identification

A: Infrared Absorption

Meets the requirement

B: Tests for Chloride

Meets the requirement

C: Retention time in the Assay

Corresponds to the reference standard

Transm

>90.0% (10.0%Water Solut.-450nm)

Absorb

<0.25a.u. (10.0% Water Solut.-280nm)

Specific Rotation〔α〕D20

+70.0°~+73.0°

pH (20mg/ml.aq.sol.)

3.0～5.0

Loss on Drying

NMT0.5%

Residue on Ignition

NMT0.1%

Chloride (Cl)

16.0%~17.0%

Sulfate

NMT 0.24%