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China
Personne àcontacter Mr. Vikey
Siming, Xiamen, Fujian
Product name:Tannic acid
CAS:********4
Product Description:Tannic acid is a specific commercial form of
tannin, a type of polyphenol. Its weak acidity (pKa around *0) is
due to the numerous phenol groups in the structure. The chemical
formula for commercial tannic acid is often given as C*6H*2O*6,
which corresponds with decagalloyl glucose, but in fact it is a
mixture of polygalloyl glucoses or polygalloyl quinic acid esters
with the number of galloyl moieties per molecule ranging from 2 up
to *2 depending on the plant source used to extract the tannic
acid. Commercial tannic acid is usually extracted from any of the
following plant part: Tara pods (Caesalpinia spinosa), gallnuts
from Rhus semialata or Quercus infectoria or Sicilian Sumac leaves
(Rhus coriaria).
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Pays: | China |
N ° de modèle: | 1401-55-4 |
Prix FOB: | ( Negotiable ) Obtenir le dernier prix |
Localité: | - |
Prix de commande minimale: | - |
Commande minimale: | - |
Packaging Detail: | - |
Heure de livraison: | - |
Capacité de Fournir: | - |
Payment Type: | - |
Groupe de produits : | - |