Gallotannic acid / tannic acid CAS NO. 1401-55-4
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Product Description
Product Description
Product name: tannic acid
synonyms: tannic acid, tannin, gallnut tannic acid
Molecular formula: c76h52o46
Molecular weight: 1701.18
Model: medicinal tannic acid, fuel tannic acid, industrial tannic acid and other types of tannic acid
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Properties
pale yellow or light brown amorphous powder; exposed to air oxidation, color deepening, odorless, astringent. Soluble in water, ethanol, ,
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Specification
Specification of tannic acid: the product conforms to the national standard gb5308-85.
Quality specification:
tannic acid content: ≥ 81%
dry weightlessness: ≤ 9.0%
insoluble matter: ≤ 0.6%
total color: ≤ 2.0
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Usage
Main uses of tannic acid:
raw materials for the preparation of pharma astric acid, pyruvic acid and sulfonamides. Gallic acid and pyroGallic acid can be prepared in chemical production. Used as a mud treatment agent in the petroleum industry. In addition, it can be used to produce leather tanning agent, mordant, rubber coagulant, protein agent, alkaloid precipitator, mineral processing inhibitor, alcohol clarifier, germanium extraction and blue-black ink preparation.
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Storage
Storage of tannic acid:
moisture-proof and light-proof, sealed storage.
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Packaging
Packaging of tannic acid:
Outer paper plastic composite bag, each bag net weight 25 kg.
Best Regards
Irene Zhang
XIAMEN DITAI CHEMICALS CO., LTD
FAQ
Q1: How about the validity of the offer?
A: Usually, quotation is valid for 1 week. However, the validity period may be affected by
factors such as ocean freight, raw material prices, etc.
Q2: What is the payment method you can accept?
A: We usually accept T/T, L/C.
Q3: May I get some samples from your side?
A: Yes, of course. We'd like to provide 100-500 g free sample to you, which depends on
product you need. You just need bear the express freight, but we will refund you after you
place bulk order.
Q4: How about lead time?
A: In general the lead time is 2-3 weeks, sometimes it can be shorter or longer
Q5: What kind of package do you have?
A: We have various of packages to meet needs of our customers,like bags or drum for solid
products,lron drums, plastic drums, IBC tank s, Flexitank, ISO TANK for liquid products.
Q6: Which documents can you supply?
A: We usually provide our customers with Commercial Invoice, Price List, Packing List, COA,
OriginCerificate, Quality/Quantity Certificate, Beneficary's Certificate, MSDS, B/L and others.
Thanks for your visit and welcome your kind inquiry!!!
Audited Supplier 
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