Manufacturer Supply N Acetyl Glucosamine High Quality Food Additive N Acetyl D Glucosamine powder
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- Supplier: Hunan Wuxing Biological Technology Co. ltdHunan ltd
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Product Overview
Description
N-Acetyl-Glucosamine
Other name: N-Acetyl-D-Glucosamine
Specification
Product Name | N-Acetyl-D-Glucosamine |
Specification | Standard |
Properties (physical): |
|
Appearance | White Crystalline, Free Flowing Powder |
Odour | Odourless |
Bulk Density | NLT0.60g/ml |
As Tapped Density | Meets the requirements of USP32 |
Particle Size | NLT 90% through 40 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 | +70.00°-- +73.00° |
pH (20mg/ml.aq.sol.) | 3.0-5.0 |
Loss on Drying | NMT0.5% |
Residue on Ignition | NMT 0.1% |
Chloride (Cl) | 16.2% -- 16.7% |
Sulfate | NMT 0.24% |
Heavy Metals | NMT 10 ppm |
Iron (fe) | NMT 10 ppm |
Lead | NMT 0.5 ppm |
Arsenic (As) | NMT 3.0 ppm |
Mercury | NMT 0.5 ppm |
Organic volatile impurities | Meets the Requirements |
Microbial: |
|
Total Aerobic | NMT 1,000 cfu/g |
Yeast and Mold | NMT 100 cfu/g |
E. Coli | Negative in 1g |
Salmonella | Negative in 1g |
Staphylococcus Aureus | Negative in 10g |
Enterobacteria & other gram neg | NMT 100 cfu/g |
Appearance | White Crystalline, Free Flowing Powder |
Packaging and Storage | Store in tight, light-resistant containers under 25ºC |
Conclusion | Conform to USP 40 requirements |
FAQ
If you have any question when you contact or before place an order to us, please first check the below information for reference. You can find information that can help you decide whether your product or related accessory needs service, and see what service options are available to you.
1.Are you manufacturer or trading company?
A:We are manufacturer and welcome to visit our factory.
2.How to confirm the product quality before place an order?
A:We can provide you with sample .Also we have the inspection report issued by the authoritative third- party testing agency.
3: What's your MOQ?
A:It's depend on different products. We accept sample order. Also for some products we can provide you with free sample.
4:Do you provide after sales service?
A:We provide 24-hour customer service. If you encounter any product quality problems or transportation problems, please feel free to contact us.
5:How about delivery time and method?
A:We usually shipping within 3-5 working days after payments.
We can shipping by sea, air and express. Also can make door to door shipping.
6:How to solve the after-sale disputes?
A: We accept changing or refunding service if any quality problem.
Anything helpful I can do for you, just feel freely to contact me.
Sincerely
Tammy Zhang
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