Product No.:km-740
Product Name:3,4-divanillyltetrahydrofuran (Nettle root extract )
Cas No.:34730-78-4
Molecular Formula:C20H24O5
Assay:95%min.(HPLC)
Appearance: Brown fine powder
Sieve analysis: 100mesh Min.
Loss on drying: 5% max.
Residue on ignition: 1.4% max.
Heavy metal
Heavy metal: <10ppm
Pb: 3ppm Max.
Hg: 1ppm Max.
As: 1ppm Max.
Cd: 1ppm Max
Microbiology Control
Total Plate Count (TPC) : <1000cfu/g
Yeast: <100cfu/g
E. Coil: Negative
Salmonella: Negative
Packing: 1kg or 2.5kg Aluminum foil bag
Storage: Kept in cool and dry place; away from light
Shelf life: 3 year under proper storage
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1. Who are we?
We are based in Wuhan, Hubei province, China, start from 2011, works on research and development, production and technical services of Silicone chemicals, pharmaceutical intermediates, electronic chemicals, organic fluorine surfactant, electroplating chemicals etc.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can you buy from us?
Organic silicone oils, pharmaceutical intermediates, electronic chemicals, organic fluorine surfactant, electroplating chemicals ,etc.
4. Why should you buy from us not from other suppliers?
1). Powerful R & D team
2). The ability of quantized production from grams to tons;
3). Various kinds of advanced equipment in the laboratory and plant;
4) .Strict QC standard to meet the demand of customers, advanced equipment for analysis and assay;
5). Efficient and safe logistic plans for chemical products transportation;
6) . Excellent after-sale service.
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8 ).ISO certificate
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