Gallic acid CAS NO.149-91-7
Product Description
dye grade ;industry grade, pharm grade; food grade;
Gallic acid CAS NO.149-91-7
Specification | food gallotannic acid |
executive standard | Enterprise Standard |
appearance | light yellow to brown yellow particle powder |
content | ≥92%/81% |
loss on drying | ≤9% |
water insoluble | ≤0.1% |
residue on ignition | ≤0.2% |
heavy metal | 15ppm |
arsenic | < 3ppm |
lead | < 5ppm |
mercury | < 1ppm |
gallic acid | ≤0.6% |
PH range | 3-4 |
soluble in water | transparent and clear |
production scale | |
packaging | 25kg/drum |
Package
25kg/drum.
Storage
Store in cool &dry place, keep away from strong light and heat.
Shelf life
24 months when properly stored.
Product Categories : Fluorinated Silicone Rubber
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