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Email ：PharmaSources@imsinoexpo.com
Whatsapp ：+86-13621645194
Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa
Monthly Production Capacity: 300 Tons annually
Packaging Information: 25kg/vacuum Aluminum foil bag in paper drum
Delivery Lead Time: Based on the quantity. Normally 7-10 working days
Sample Provided: yes
Payment Terms: L/C or T/T 30% deposit by TT,70% Balance before shipment
Tannic acid
Chemical Stucture:Fomula：C76H52O46
Molecularweight: 1701.2
CAS No ： 1401-55-4
Production Capacity：300T/Year
Specification:(Enterprise standard of China)
quality specification
Standard value
Highpuregrade
Industrial grade
dye grade
operative norm
manufacturer'sstandard
LY/T1300-2005
manufacturer's standard
Appearance:
light yellow to brown powder
light yellow to brown powder
light yellow to brown powder
Content （%） ≥
98.0
81.0
86.0
loss of dryness （%） ≤
9.0
9.0
9.0
insolubles in water (%) ≤
0.1
0.6
transparency
qualified
qualified
Total color (Lovibond Tintometer unit)≤
1.2
2.0
2.0
Residue of ignition（%≤
0.1
1.0
gallic acid (%) ≤
2.0
7.0
Heavy metal(Pt) (%) ≤
10
Arsennic (%) ≤
5
Pt (%) ≤
3
Hg (%) ≤
1
Packing：Paper drum lined plastic bag
Gross weight ：28kg Net weight：25kg
Storage：Seal and keep away light 。
Usage：This product is used for the preparation of germanium, the manufacture of tannic iron ink, metal rust proof, mud treatment agent for petroleum drilling, alcohol clarification agent and coal dyeing agent. This product is also widely used in the pharmaceutical industry.
Two years of qualification
Audited Supplier
Pharma Sources Insight JANUARY 2024
