|Min. Order:||1 Metric Ton|
|Delivery Time:||10 Days|
Model No.: SY-64
place of origin: China
Types of: Syntheses Material Intermediates
Place of Origin: SHANDONG,CHINA
Supply Ability: 500KG/Month
HS Code: -
Best price Colchicine cas 64-86-8
Colchicine ,Light yellow crystalline or crystalline powder, taste, taste bitter, light discoloration.
Mp157 ℃ (ethyl acetate recrystallization),
than the polarimetric [alpha] 17 d - 429 ° (1.72%, water), - 121 ° (0.9%, chloroform),
maximum absorption wavelength of 243 nm in ethanol and 350.5 nm.
This product is soluble in water, ethanol and chloroform, soluble in benzene and ether,
insoluble in petroleum ether, 0.5% of the solution of this product is weak acid.
LD50(mouse, abdominal cavity) 6.1mg/kg.
English name: Colchicine
IMp. D (EP): N-[(7S,12aRa)-3-(-d-glucopyranosyloxy)-1,2, 10-trimethoxy-9-oxo-5,
CAS no. : 64-86-8
Molecular formula: C22H25NO6
Molecular weight: 399.44
EINECS no. : 200-598-5
Melting point: 150-160 ° C (dec) (lit.)
Specific rotation: -250 (c=1, alcohol)
Boiling point: 522.37 ° C (rough estimate)
Density: 1.2770 (rough estimate)
Index of refraction: 1.5614 (estimate)
Storage condition: Poison room
Solubility: H2O: 10 mg/mL
Acidity coefficient (pKa) : 12.36 (at 20 ℃)
White to yellow with a green cast
Water solubility: 45 g/L (20 C)
Shenyu energy (Shandong) development Co. LTD belongs to Shenyu Group Company.
We mainly engaged in chemical raw materials import and export,
and have our own factory production of Butyldiglycol.
Stable prices, 95% of our company's products are for export.
Our company is mainly through research and development, production,
sales and service as one of the trade and industry, to provide customers with the best service.
We has been through the ISO9001:2015 quality certification,
and has a strict quality control system. We have stood in the field of chemistry to the front of the world,
with high-quality personnel, advanced equipment
We insist on the goal of "reliable quality, good service and high reputation of enterprise".
Before ordering, we can provide test samples to ensure the quality of our products.
5. We can provide Commercial Invoice, Packing List, Bill of loading, COA,
Health certificate and Origin certificate.
If your markets have any special requirements, just let us know.
6. Prompt delivery. We have good cooperation with many professional forwarders.
We can send the products to you once you confirm the order.
7. We can accept various payment methods, L/C, T/T, D/A, D/P, O/A, Paypal, Western Union etc.,
and we have cooperate with Sinosure so many years.
Other related items of our company:
1. Basic Organic Chemicals
2. Inorganic Chemicals
3. Pharmaceutical Intermediates
4. Daily Chemicals
5. Active Pharmaceutical Ingredients