N-acetyl-d-glucosamine (99%)

Specifications:
1) Taste: characteristic
2) Odor: characteristic
3) Melting point: 196-205oC
4) Residue on ignition: 0.5%
5) Specific rotation [α] D20: +39.0 ~ +43.0
6) Loss on drying: ≤0.5%
7) Chlorides: ≤1%
8) Iron: ≤10ppm
9) Heavy metal: ≤10ppm
10) Arsenic: ≤1ppm
11) Assay: ≥99%