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USP grade Propyl Gallate 99.5% from China suppliers suppliers
USP grade Propyl Gallate 99.5% from China suppliers
  • CAS:

    121-79-9
  • 분자 공식:

    C10H12O5
  • 품질 표준:

    99%
  • 포장:

    25kg fiber drum
  • Mininmum 순서:

    25kg
  • Price inquiry:

    sales@tnjchem.com
  • Manufacturer:

    TNJ Chemical

지금 문의

  • 제품 세부 사항

Where to Buy Propyl Gallate 25kg/drum China origin from top professional China Propyl Gallate suppliers, factory & manufacturers with reliable quality. If you want to find good Propyl Gallate price, please mail to sales@tnjchem.com


Propyl gallate, or propyl 3,4,5-trihydroxybenzoate CAS 121-79-9 is an ester formed by the condensation of gallic acid and propanol. Since 1948, this antioxidant has been added to foods containing oils and fats to prevent oxidation.

Specification

Character                           White crystalline powder

Appearance of solution        Clear and not more intensively coloured than Bys

Gallic acid,%                      ≤0.5

Total chlorine,ppm              ≤200

Chlorides,ppm                    ≤100

Zinc,ppm                           ≤25

Heavy metal(as Pb),ppm     ≤10

Sulphate ash,%                  ≤0.1

Assay,%                             97.0-103.0

Melting point,℃                  148-151

Loss on drying,%               ≤0.5


Application

1. Propyl gallate is used to protect oils and fats in products from oxidation; it is used in foods, cosmetics, hair products, adhesives, and lubricants.

2. It is used as a triplet state quencher and an antioxidant in fluorescence microscopy.


Storage
Sealed container, in dark place, no contact with metals.
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      USP grade Propyl Gallate 99.5% from China suppliers
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