We are proud to be the first one in the world to produce coenzyme factors NAD(H)/NADP(H) by enzyme catalysis. For the first time,these vital coenzymes come out with nearly zero pollution in an industrial scale. This is just the first step of our green dream. Biocatalysis allows us to create
Công ty chúng tôi chuyên cung cấp độc quyền của hãng Sigma-Aldrich:
- Tất cả các loại hóa chất chuẩn phân tích, hóa chất tinh khiết
-
Dry Vitamin A Acetate Beadlet (325,000 ~ 500,000)
Chemical name: Retinyl acetate, all-trans retinol acetic acid ester
CAS
We sell Selenious Acid(H2SeO3 ) 98%Selenious Acid H2SeO3 98% Min 60.4% Min FORMULA: H 2 SeO 3 MOLECULAR WEIGHT: 128.97 CAS No.: 7783-00-8 EINECS NO.:231-974-7CHARACTERISTIC: Colorless hygroscopic crystal powder. has  deliquescence, soluble in water and ethanol. USAGE: Used for chemical reagent,
Features & Benefits

Ammonium sulphate is a nitrogen fertilizer. Heavy spillage may cause adverse environmental impact such as eutrophication in confined surface waters.

Completely soluble in water.
Easily adapted to all ranges of dry fertilizer application methods.

A perfect choice as a
Fertilizer Prille
Properties: Density: 1.335
M.p.: 131-135oC
HS CODE: 31022100
CAS: 【57-13-6】
Solubility in water: 1080 g/L (20oC)


Character:
Colorless or white needle-like crystals or rod, industrial or agricultural goods white bit micro-satellites solid red odorless and tasteless.
Melamine is white crystal powder, it can dissolve in glycerine, pyridine, heat ethylene glycol, acetic acid and formaldehyde. It is difficult soluble in the ether, benzene and tetrachloromethane. It will sublimate when heated, heated slongly it will decomposite.
Melamine is kind of important
Use:.Agriculture, Chemical industry, Chemical synthesis, Dyestuffs, pigments and optical brighteners, Manufacturing of antibiotics, Manufacturing of diabetics, Manufacturing of dyestuffs, Manufacturing of fungicides, Manufacturing of growth regulators, Manufacturing of herbicides, Manufacturing of
Methylene Chloride(MC)
specifications:
1) Molecular formula: CH2C12
2) Appearance: transparent, colorless liquid without suspended matter
3) Standard: GB4117-92
4) dichloromethane Purity: 99.95% min.
5) Acidity (based on Hcl): 0.0004% max.
6) Water content: 0.040% max.
7) Residue on
Formula: Ca ( ClO ) 2
-IMDG code page: 5138
-H.S Code: 28281000
-U. N. NO. : 2880
-Specification:

1--Available Chlorine 65% Min
2--Moisture 4-10%
3--Chlorine Loss 8% max
4--Size (255um-2mm)90% min
5--Appearance Light gray granular
6--Water insoluble 5% max

-Packing in
The hexamine we are producing is not added with antiblockingagent.But it is not easy to block for a long time.

We have had an experiment In the stock.Tempriture is 20 degree,and moisture is 30%.8 bags in a roll. THe hexamine is not caked at all after 7 months.

Although after the factory
DPT blowing agent(N,N´-Dinitrosopentame-thylenetetramine) is mainly used in the industry of rubber products and PVC plastic products as the vesicant.
The dosage in the rubber and plastics industry is 3-5% and 5-15%. It is a kind of light yellowy powder with no odor, but there is odor of