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Cas:294-40-6
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Cyclopentasiloxane CAS:294-40-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermed
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Min.Order:1 Gram
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Min.Order:1 Kilogram
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Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
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Cas:294-40-6
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Type:Trading Company
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Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
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Cyclopentasiloxane CAS NO.294-40-6 Application:Cyclopentasiloxane CAS NO.294-40-6
CyclopentasiloxaneAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
hight degree of purityAppearance:COA mentioned Storage:COA mentioned Package:Standard or custom package Application:hight degree of purity Transportation:Express/Sea/Air Port:Any port in China
Hangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri
Changzhou Helios Biochemical Co., Ltd is a leading manufacturer and supplier for medical intermediates and pesticide intermediates . We specialize in custom synthesis of benzene ring, pyridine and pyrimidine derivatives to help customers to accelerat
Dichlorosilane
B
1,1,3,3,5,5,7,7,9,9-decahydrocyclopentasiloxane
C
1,1,3,3,5,5,7,7,9,9,11,11-dodecahydro-cyclohexasiloxane
Conditions | Yield |
---|---|
With water In dichloromethane hydrolysis H2SiCl2 in dichloromethane soln. either with stoich. amt. water at -30 to -20°C or by slow, controlled addn. slight excess water at 0°C; products isolated by GC; | A 6.1% B 22.6% C 12% |
water
Dichlorosilane
B
1,1,3,3,5,5,7,7,9,9-decahydrocyclopentasiloxane
C
1,1,3,3,5,5,7,7,9,9,11,11-dodecahydro-cyclohexasiloxane
E
cycloheptasiloxane
Conditions | Yield |
---|---|
In diethyl ether SiH2Cl2 and ether was mixed at -40°C, warming to room temp., addn. of H2O dropwise over 7 min, stirring at room temp. for 30 min; further products; not isolated, detected by GLC; |
water
Dichlorosilane
B
1,1,3,3,5,5,7,7,9,9-decahydrocyclopentasiloxane
C
1,1,3,3,5,5,7,7,9,9,11,11-dodecahydro-cyclohexasiloxane
D
cycloheptasiloxane
Conditions | Yield |
---|---|
In pentane SiH2Cl2 and ether was mixed at -40°C, warming to room temp., addn. of H2O dropwise over 7 min, stirring at room temp. for 30 min; further products; not isolated, detected by GLC; |
Dichlorosilane
zinc(II) carbonate
B
1,1,3,3,5,5,7,7,9,9-decahydrocyclopentasiloxane
C
1,1,3,3,5,5,7,7,9,9,11,11-dodecahydro-cyclohexasiloxane
Conditions | Yield |
---|---|
In hexane Product distribution / selectivity; Cooling; |
Dichlorosilane
B
1,1,3,3,5,5,7,7,9,9-decahydrocyclopentasiloxane
C
1,1,3,3,5,5,7,7,9,9,11,11-dodecahydro-cyclohexasiloxane
Conditions | Yield |
---|---|
In ethyl acetate Cooling; |
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