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Изображение Tannic acid

Tannic acid

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начало: Китай

Кас Но: 1401-55-4

Спецификация: 99%наименьший

минимальный объем заказа: 1 /kg

снабженческая способность: 10 mt/month

опережающий период: OEM 7 дней, пятно 3 дня

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  • Характеристики продукции
  • Описание продукта
  • Property : Light yellow or light brown powder, oxidized in the air, the color becomes darker, odorless and astringent. It is soluble in water, ethanol, acetone, ethyl acetate, but insoluble in chloroform or ether.

    Specifications: Comply with national industry standards LY-T 1300, LY-T1640, LY-T1641; US ​​Food and Drug Administration "Food Chemistry Specification" 5th edition and US Food Chemistry Code standards; US Food Standards; British Pharmacopoeia.

    Technical index:

    Specification

    Industrial grade

    Pharmaceutical grade

    Food grade

    Appearance

    Yellow powder

    Light yellow powder

    Light yellow powder

    Content

    ≥81%

    ≥90%

    93%-98%

    Loss on drying

    ≤9%

    ≤9%

    ≤9%

    Residue on ignition

    ——

    ≤1%

    ≤1%

    Heavy metal

    ——

    ≤30ppm

    ≤20ppm

    Other Index

    See COA

    See COA

    See COA

    Uses:
    (1) Used for the extraction of germanium, the manufacture of acid iron ink, metal rust removal, and the raw material of mud treatment agent for oil drilling. It can produce gallic acid and pyrogallic acid, and can also be used as leather tanning agent, mordant, rubber coagulant, protein agent, alkaloid precipitation agent.
    (2) Medicinal tannic acid has antibacterial, enzyme-removing and astringent effects. It is used in antibacterial, tinea, detoxification, dysentery and other medicinal preparations, and also used to synthesize sulfonamide synergists.

    (3) Used in cosmetics, food antioxidants, clarifying agents for low alcohol alcohols, oil antioxidants, and also used in bromelain food processing.

    Storage: Avoid moisture and light, sealed tightly, no contact with metal.

    Product validity: two years.

    Packing: Packed in kraft paper bag or cardboard drum, net weight 25 kg.

  • Pharmaceutical Tannic Acid

    Product Name: Tannic Acid
    Alias: Tannic Acid , Tannin, Gallic Tannin
    Molecular Formula: C76H52O46
    Molecular Weight: 1701.18

    Structural formula:


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