Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:697-18-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:697-18-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryTetrafluoroethane beta-sultone Basic information Product Name: Tetrafluoroethane beta-sultone Synonyms: TETRAFLUORO-1,2-OXATHIETANE-2,2-DIOXIDE;3,3,4,4-TETRAFLUORO-
Cas:697-18-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:697-18-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:697-18-7
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
Type:Trading Company
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:697-18-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryTetrafluoroethane beta-sultone CAS:697-18-7 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 org
Cas:697-18-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:697-18-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Cas:697-18-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. Well-equipped, stable and high-quality raw material supply chain, to provide customers with the best quality products. 2.Strict quality inspection process and professional certificate testing to ensure the quality level of the final product. 3.E
Cas:697-18-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquirysuperior quality moderate price & quick delivery Appearance:powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application: Used to make other chemi
Cas:697-18-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:697-18-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Cas:697-18-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZibo 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
Cas:697-18-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:697-18-7
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiry697-18-7 Appearance:95%+ Package:R&D,Pilot run Application:697-18-7 Transportation:per client require Port:Express ,Air, Sea
Cas:697-18-7
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Best price raw material Tetrafluoroethane beta-sultone 697-18-7 with regular offering Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales
Cas:697-18-7
Min.Order:1 Gram
Negotiable
Type:Other
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:697-18-7
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:697-18-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:697-18-7
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:697-18-7
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryLower 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
Cas:697-18-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Cas:697-18-7
Min.Order:0
Negotiable
Type:Other
inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:697-18-7
Min.Order:0
Negotiable
Type:Manufacturers
inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:697-18-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybest price raw material Tetrafluoroethane beta-sultone 697-18-7 with regular offering Application:best price raw material Tetrafluoroethane beta-sultone 697-18-7 with regular offering
Cas:697-18-7
Min.Order:0
Negotiable
Type:Other
inquirypolytetrafluoroethylene
4-hexafluoroisopropylidene-1,3,2-dioxathietane 2,2-dioxide
A
tetrafluoroethane-β-sultone
B
bis(trifluoromethyl)ketene
Conditions | Yield |
---|---|
40-50°C; | A 96% B n/a |
40-50°C; | A 96% B n/a |
Conditions | Yield |
---|---|
fresh distilled SO3, 2.7 atm, below 80°C, 1 h; | 93% |
fresh distilled SO3, 2.7 atm, below 80°C, 1 h; | 93% |
fresh distilled SO3, 2.7 atm, below 80°C, 1 h; | 93% |
Conditions | Yield |
---|---|
With sulfur trioxide for 2h; Cycloaddition; | 82% |
With sulfur trioxide | |
With sulfur trioxide |
polytetrafluoroethylene
sulfur trioxide
A
tetrafluoroethane-β-sultone
B
5,5,6,6-tetrafluoro-2,2,4,4-tetroxo-1,3-dioxa-2,4-dithiane
polytetrafluoroethylene
1,1,2-Trichloro-1,2,2-trifluoroethane
sulfur trioxide
tetrafluoroethane-β-sultone
Conditions | Yield |
---|---|
with C2F4 satd. CFCl2CF2Cl adn. to SO3 under 2.4 h,standing for a night at room temp.; | |
with C2F4 satd. CFCl2CF2Cl adn. to SO3 under 2.4 h,standing for a night at room temp.; |
polytetrafluoroethylene
A
tetrafluoroethane-β-sultone
B
4,4,5,5-Tetrafluor-2-oxo-1,3,2-dioxathiolan
Conditions | Yield |
---|---|
With O3S at 20 - 50℃; under 767.652 - 3040.2 Torr; for 6h; Large scale; |
Conditions | Yield |
---|---|
With water | 100% |
With water | 78% |
With water | |
With water | |
With water |
tetrafluoroethane-β-sultone
potassium tetrafluoro(2-fluorosulfonyl)-1-ethanolate
Conditions | Yield |
---|---|
With potassium fluoride In diethylene glycol dimethyl ether | 100% |
With potassium fluoride; diethylene glycol dimethyl ether Cooling with ice; |
Conditions | Yield |
---|---|
for 0.5h; Autoclave; Cooling with ice; | 100% |
In diethylene glycol dimethyl ether Cooling with ice; |
tetrafluoroethane-β-sultone
aniline
1,1-difluoro-2-oxo-(phenylamino)ethanesulfonic acid fluoride
Conditions | Yield |
---|---|
In diethyl ether at -80°C; | 98% |
In diethyl ether at -80°C; | 98% |
tetrafluoroethane-β-sultone
nitrosylchloride
chlorosulfuric acid trifluorovinyl ester
Conditions | Yield |
---|---|
at -35°C; | 97% |
at -35°C; | 97% |
Conditions | Yield |
---|---|
In petroleum ether at 25°C; | 96% |
In Petroleum ether at 25°C; | 96% |
In Petroleum ether |
tetrafluoroethane-β-sultone
water
2,2-difluoro-2-(fluorosulfonyl)acetic acid
Conditions | Yield |
---|---|
In neat (no solvent) at 5°C, with polytetrafluoroethylene filled reactor used; distn.; | 96% |
In Petroleum ether at -10°C; | 62% |
In petroleum ether at -10°C; | 62% |
methanol
tetrafluoroethane-β-sultone
2,2-difluoro-2-(fluorosulfonyl)acetate
Conditions | Yield |
---|---|
at 0-5°C; | 95% |
tetrafluoroethane-β-sultone
ethanol
ethyl 2,2-difluoro-2-(fluorosulfonyl)acetate
Conditions | Yield |
---|---|
at 0-5°C; | 95% |
tetrafluoroethane-β-sultone
methanesulfonyl chloride
A
methyl fluorosulfonate
B
chlorosulfuric acid trifluorovinyl ester
Conditions | Yield |
---|---|
at room temp.; | A 90% B 95% |
at room temp.; | A 90% B 95% |
methylphosphonic acid dichloroanhydride
tetrafluoroethane-β-sultone
chlorosulfuric acid trifluorovinyl ester
Conditions | Yield |
---|---|
In dichloromethane at -10°C; | 94% |
In dichloromethane at -10°C; | 94% |
tetrafluoroethane-β-sultone
isopropyl alcohol
difluoro-fluorosulfonyl-acetic acid isopropyl ester
Conditions | Yield |
---|---|
at 0-5°C; | 93% |
In diethyl ether at 10°C; | 30% |
tetrafluoroethane-β-sultone
trichlorophosphate
chlorosulfuric acid trifluorovinyl ester
Conditions | Yield |
---|---|
at 20°C; | 91% |
at 20°C; | 91% |
tetrafluoroethane-β-sultone
2,2,2-trifluoroethanol
Difluoro-fluorosulfonyl-acetic acid 2,2,2-trifluoro-ethyl ester
Conditions | Yield |
---|---|
With sodium fluoride at 25℃; for 24h; other sulton, various alcohols; | 90% |
tetrafluoroethane-β-sultone
2,2,3,3-tetrafluoropropanol
Difluor(fluorsulfonyl-)essigsaeure-1,1,2,2-tetrafluorpropylester
Conditions | Yield |
---|---|
With sodium fluoride at 25℃; for 24h; | 90% |
Conditions | Yield |
---|---|
With sulfuric acid at 20°C, 100 % H2SO4 used; | 90% |
With H2SO4 at 20°C, 100 % H2SO4 used; | 90% |
tetrafluoroethane-β-sultone
sodium methylate
Methoxysulfonyl-difluor-essigsaeure-methylester
Conditions | Yield |
---|---|
In diethyl ether in mixture of ice-NaCl; | 86% |
In diethyl ether in mixture of ice-NaCl; | 86% |
In methanol |
Conditions | Yield |
---|---|
at 0-5°C; | 86% |
With sodium fluoride for 7h; Ambient temperature; | 76.6% |
tetrafluoroethane-β-sultone
sodium ethanolate
Ethoxysulfonyl-difluor-essigsaeure-ethylester
Conditions | Yield |
---|---|
In diethyl ether in mixture of ice-NaCl; | 85% |
In diethyl ether in mixture of ice-NaCl; | 85% |
In ethanol |
Hexafluoropropene oxide
tetrafluoroethane-β-sultone
perfluoro(4-methyl-3,6-dioxaoct-7-ene)sulfonyl fluoride
Conditions | Yield |
---|---|
Stage #1: Hexafluoropropene oxide; tetrafluoroethane-β-sultone With potassium fluoride In N,N-dimethyl acetamide at 20℃; under 3000.3 Torr; for 1h; Stage #2: With potassium carbonate at 150 - 360℃; for 0.583333h; Pressure; Temperature; Solvent; Reagent/catalyst; | 85% |
tetrafluoroethane-β-sultone
aniline
difluoro-phenylcarbamoyl-methanesulfonic acid ; compound with aniline
Conditions | Yield |
---|---|
In diethyl ether at 10°C; | 84% |
In diethyl ether at 10°C; | 84% |
Conditions | Yield |
---|---|
at 0°C; | 82% |
Conditions | Yield |
---|---|
at -20°C; | 82% |
tetrafluoroethane-β-sultone
chlorosulfuric acid pentyl ester
A
fluorosulfuric acid pentyl ester
B
chlorosulfuric acid trifluorovinyl ester
Conditions | Yield |
---|---|
warming on water bath under reflux, at 30-40°C, 1 h; | A 68% B 80% |
warming on water bath under reflux, at 30-40°C, 1 h; | A 68% B 80% |
tetrafluoroethane-β-sultone
sulfurous acid dibutyl ester
B
1-butyl fluorosulfate
C
sulfuric acid butyl ester trifluorovinyl ester
Conditions | Yield |
---|---|
at -20°C; the products can not separeted by distn.; | A n/a B n/a C 80% |
tetrafluoroethane-β-sultone
chlorosulfuric acid hexyl ester
A
n-hexyl fluorosulfonate
B
chlorosulfuric acid trifluorovinyl ester
Conditions | Yield |
---|---|
warming on water bath under reflux, at 30-40°C, 1 h; | A 76% B 80% |
warming on water bath under reflux, at 30-40°C, 1 h; | A 76% B 80% |
tetrafluoroethane-β-sultone
sulfuric acid dibutyl ester
B
1-butyl fluorosulfate
C
sulfuric acid butyl ester trifluorovinyl ester
Conditions | Yield |
---|---|
at 0°C; | A n/a B n/a C 80% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View