N-Acetylglucosamine
N-Acetylglucosamine is a basic component of many important polysaccharides in living organisms. It has broad application prospects in functional foods, health foods, cosmetics and other fields.
1. Structural Formula:

2. Molecular Formula: C₈H₁₅NO₆
3. Appearance: White crystalline powder
4. Physical and Chemical Indicators:
|
Item |
Food Grade |
Cosmetic Grade |
|
Assay(dry basis),g/100 g |
98.0-102.0 |
98.0-102.0 |
|
Specific Rotation (20°C),° |
+39.0-+43.0 |
+39.0-+43.0 |
|
pH |
6.0-8.0 |
6.0-8.0 |
|
light Transmittance,% |
≥98 |
≥96 |
|
Moisture,g/100 g |
≤0.5 |
≤0.5 |
|
灰分Ash,g/100 g |
≤0.1 |
≤0.1 |
|
Chloride,g/100 g |
≤0.1 |
≤0.1 |
|
Fe,mg/kg |
≤10 |
— |
|
Pb,mg/kg |
≤1.0 |
≤1.0 |
|
Cd,mg/kg |
≤0.1 |
— |
|
Hg,mg/kg |
≤0.3 |
— |
|
As,mg/kg |
≤0.5 |
≤1.0 |
|
TAMC,CFU/g |
≤100 |
≤100 |
|
TYMC,CFU/g |
≤100 |
≤10 |
|
Coliform,MPN/g |
≤0.92 |
≤0.92 |
|
Salmonella,/25 g |
Negative |
Negative |
|
Staphylococcus Aureus,/25 g |
Negative |
Negative |
N-Acetylglucosamine
N-Acetylglucosamine is a basic component of many important polysaccharides in living organisms. It has broad application prospects in functional foods, health foods, cosmetics and other fields.
1. Structural Formula:

2. Molecular Formula: C₈H₁₅NO₆
3. Appearance: White crystalline powder
4. Physical and Chemical Indicators:
|
Item |
Food Grade |
Cosmetic Grade |
|
Assay(dry basis),g/100 g |
98.0-102.0 |
98.0-102.0 |
|
Specific Rotation (20°C),° |
+39.0-+43.0 |
+39.0-+43.0 |
|
pH |
6.0-8.0 |
6.0-8.0 |
|
light Transmittance,% |
≥98 |
≥96 |
|
Moisture,g/100 g |
≤0.5 |
≤0.5 |
|
灰分Ash,g/100 g |
≤0.1 |
≤0.1 |
|
Chloride,g/100 g |
≤0.1 |
≤0.1 |
|
Fe,mg/kg |
≤10 |
— |
|
Pb,mg/kg |
≤1.0 |
≤1.0 |
|
Cd,mg/kg |
≤0.1 |
— |
|
Hg,mg/kg |
≤0.3 |
— |
|
As,mg/kg |
≤0.5 |
≤1.0 |
|
TAMC,CFU/g |
≤100 |
≤100 |
|
TYMC,CFU/g |
≤100 |
≤10 |
|
Coliform,MPN/g |
≤0.92 |
≤0.92 |
|
Salmonella,/25 g |
Negative |
Negative |
|
Staphylococcus Aureus,/25 g |
Negative |
Negative |
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