Dyestuff tannic acid
Dyestuff tannic acid
Product Name: Dyestuff Tannic acid
Molecular formula:C76H52O46
MW:1701.18
CAS NO:[1401-55-4]
Quality Standard: conform to Japanese enterprise specifications
| Items | Specification |
| Appearance | Light yellow powder |
| Loss on drying | ≤9.0% |
| Transmissivity | ≤53.0% |
| Absorbency | ≥420 |
| Gallic acid | ≤7.0% |
| Industrial scale | 200T/Y |
Properties: light yellow or light brown powder, exposed to the air easily oxidized, the color deepened, odorless, astringent.
Usage: As the fixing agent, mordant, fiber deodorant and synthetic dyes in textile dyeing and printing.
Storage: Avoid moisture and sunlight ,keep in a well-closed container.
Packaging: Paper drum with a plastic bag inside, net weight 25 kg.
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