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99% Gallic acid powder / Gallic acid monohydrate CAS 149-91-7 / 5995-86-8
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Meorient Import & Export Co.LTD
China - Hangzhou
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Trade Capacity
Export Percentage
Nearest Port
Hangzhou,Shanghai
Accepted Delivery Terms
Employees
5-10人
Accepted Payment Currency
USD,CNY
Average Lead Time
45 Day(s)
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--Product Description
Products Description
Product Name: Gallic acid
CAS No.:149-91-7
Purity:98%min
EINECSNo:205-749-9
Molecular Formula:C7H6O5
Molecular weight:170.12
Appearance:Wihte powder
CAS No.:149-91-7
Purity:98%min
EINECSNo:205-749-9
Molecular Formula:C7H6O5
Molecular weight:170.12
Appearance:Wihte powder
Specification
Items | Specification |
Assay(HPLC) | ≥98% |
Appearance | White fine powder |
Ash | ≤5.0% |
Moisture | ≤5.0% |
Heavy metals | ≤10ppm |
As | ≤2.0ppm |
Lead | ≤2.0ppm |
Hg | ≤0.2ppm |
Cd | ≤0.2ppm |
Odor | Characteristic |
Taste | Characteristic |
Particle size | 100% through 80 mesh |
Loss on drying | ≤5.0% |
Pesticide residue | Negative |
Total of bacteria | ≤1000cfu/g |
Fungi | ≤100cfu/g |
Application
1. Gallic acid and trivalent iron ions generate blue-black precipitation, which is the raw material of blue-black ink;
2. It is also used in tanning industry;
3. It can also be used as a photographic developer.
4. Propyl gallate is an antioxidant, which can be used for edible oils to prevent odor deterioration.
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