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:13709-47-2
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:13709-47-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:13709-47-2
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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:13709-47-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:13709-47-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryScandium trifluoride CAS:13709-47-2 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 inte
Cas:13709-47-2
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:13709-47-2
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:13709-47-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:13709-47-2
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:13709-47-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providing h
High quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
Cas:13709-47-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:13709-47-2
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
We produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:13709-47-2
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:13709-47-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep 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:13709-47-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.Quality control, test sample before shipping and keep sample for 3 years after shipping;2. Prompt shipment with professional documents;3. Packing as your request, with photo before shipment;1199. Mixed container, we can mix different items in one c
Scandium fluorideAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Cas:13709-47-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica
Cas:13709-47-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
hydrogen fluoride
A
scandium(III) fluoride
Conditions | Yield |
---|---|
In water 0°C; |
Conditions | Yield |
---|---|
byproducts: CdO; |
Conditions | Yield |
---|---|
In hydrogenchloride pptn. from 7E-3 molar Sc(3+)-soln. in aq. HCl, 90-95°C, pH=2;; no quantitative react. in presence of Zr(4+), Ti(4+), Al(3+) or Fe(3+);,; | >99 |
copper
scandium(III) fluoride
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: H2; Sc:NH4F molar ratio was 1:4, heating up to 400 °C with 2 °C/h rate, 6 weeks, in a Cu-ampoule, under Ar; cooling with 2 °C/h rate; |
Conditions | Yield |
---|---|
In hydrogenchloride dissolving Sc2O3 in aq. HCl, addn. of concd. HF-soln., evapn., further addn. of aq. HF and evapn. until complete removal of HCl; addn. of aq. HF, addn. of excess NH4HF, evapn. to dryness;; heating in a dry N2-stream to 700-800°C to remove NH4*HF and moisture (Pt-vessel), pure product;; | |
In hydrogenchloride dissolving Sc2O3 in aq. HCl, addn. of concd. HF-soln., evapn., further addn. of aq. HF and evapn. until complete removal of HCl; addn. of aq. HF, addn. of excess NH4HF, evapn. to dryness;; heating in a dry N2-stream to 700-800°C to remove NH4*HF and moisture (Pt-vessel), pure product;; |
Conditions | Yield |
---|---|
In water on addn. of ScCl3-soln. to excess NH4F;; | 0% |
Conditions | Yield |
---|---|
In water pptn. with aq. KF;; |
Conditions | Yield |
---|---|
In water pptn. with aq. NaF;; |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: oxygen; explosive convertion at 330-380°C, starting of fluorination at 210°C; |
A
scandium(III) fluoride
B
tetrafluoroscandate(1-)
Conditions | Yield |
---|---|
In perchloric acid formation in aq. soln.;; |
A
scandium(III) fluoride
B
tetrafluoroscandate(1-)
Conditions | Yield |
---|---|
In water in aq. soln.;; |
Conditions | Yield |
---|---|
In water formation in soln., determination of thermodynamic data of formation (enthalpy, free enthalpy, entropy);; not isolated;; | |
In water formation in soln., determination of complex formation constant;; not isolated;; | |
In water formation in soln., determination of thermodynamic data of formation (enthalpy, free enthalpy, entropy);; not isolated;; |
Conditions | Yield |
---|---|
With water In water byproducts: SiO2, HF; immediate hydrolysis of Sc2(SiF6)3; investigation of react.-mechanism;; | |
With water In water byproducts: SiO2, HF; immediate hydrolysis of Sc2(SiF6)3;; | |
With water In hydrogenchloride addn. of H2SiF6 to concd. soln. in HCl while introduction of H2P-vapor;; | |
In water from the neutral or acidic soln. on addn. of H2SiF6 in the cold or in the warm,; | |
In not given slow, but complete pptn. on boiling in strongly acid soln.; product is free of rare earth compounds;; | >99 |
A
scandium(III) fluoride
Conditions | Yield |
---|---|
In water pptn. at room temp.;; | A 0% B n/a |
Conditions | Yield |
---|---|
In hydrogenchloride pptn. from 7E-3 molar Sc(3+)-soln. in aq. HCl, 90-95°C, pH=2;; no quantitative react. in presence of Zr(4+), Ti(4+), Al(3+) or Fe(3+);,; | >99 |
Conditions | Yield |
---|---|
In hydrogen fluoride pptn. from aq. soln. by addn. of HF-soln., separation of ppt., evapn. (water-bath), addn. of HF-soln., cryst. product;; | |
In hydrogen fluoride pptn. with aq. HF;; |
Conditions | Yield |
---|---|
In hydrogenchloride pptn. from 7E-3 molar Sc(3+)-soln. in aq. HCl, 90-95°C, pH=2;; no quantitative react. in presence of Zr(4+), Ti(4+), Al(3+) or Fe(3+);,; | >99 |
Conditions | Yield |
---|---|
In water at room temp.;; |
scandium(III) fluoride
Conditions | Yield |
---|---|
With fluoroplast-4 In neat (no solvent) byproducts: C; High Pressure; shock compression reaction of Sc with fluoroplast-4; X-ray diffraction; |
Conditions | Yield |
---|---|
In neat (no solvent) at increased pressure in an autoclave, 250°C, up to 24h. cooling in the autoclave to 60°C, removal of absorbed HF in vac.;; | |
In neat (no solvent) at increased pressure in an autoclave, 250°C, up to 24h. cooling in the autoclave to 60°C, removal of absorbed HF in vac.;; |
Conditions | Yield |
---|---|
In gas byproducts: Ca, ScF2, ScF; in the gas phase over the solid mixture at 1410K, Ta-Knudsen-cell;; | |
In neat (no solvent, gas phase) byproducts: Ca, ScF2, ScF; in the gas phase over the solid mixture at 1410K, Ta-Knudsen-cell;; |
Conditions | Yield |
---|---|
In hydrogen fluoride aq. HF; reaction of ScCl3 with aq. HF; evapn. of the liquid at 60°C and drying the solid at 80-100°C on a sand bath; |
Conditions | Yield |
---|---|
In water byproducts: H(1+); formation in soln., determination of equilbrium constant and thermodynamic data of formation;; |
Conditions | Yield |
---|---|
pptn. on hydrofluoric acid addn. to Sc-salt soln.; |
Conditions | Yield |
---|---|
In hydrogenchloride byproducts: CO2; pH 1 to <4, heating to 60-100°C for 4h while stirring, washing with H2O until neutral react.;; | >95 |
Conditions | Yield |
---|---|
In hydrogen fluoride aq. HF; gradual addition of oxide to acid under periodical cooling; ppt. filtering off, drying (150-200°C), grinding; thermogravimetric analysis; |
Conditions | Yield |
---|---|
In hydrogenchloride byproducts: CO2, CaCl2; pH 1 to <4, heating to 60-100°C for 4h while stirring, washing with H2O until neutral react.;; | >95 |
scandium(III) fluoride
Conditions | Yield |
---|---|
With HF In water pptn. of aq. soln. of scandium chloride with excess of concd. hydrofluoric acid; ppt. dried and heated in inert atmosphere; chem. anal.; |
scandium(III) fluoride
Conditions | Yield |
---|---|
In neat (no solvent) thermal decompn. at 350-340°C; intermediate formation of NH4ScF4 at 260-350°C;; pure product;; | |
In potassium hydroxide aq. KOH; pptn. on potentiometric titration of a 0.01m aq. soln. with aq. KOH at pH about 7.5 to 7.7;; | |
In hydrogen fluoride byproducts: NH4(+), HF2(-); aq. HF; | |
In neat (no solvent) byproducts: NH3; heating under 1 bar NH3 pressure; detected by powder X-ray diffractometry; |
scandium(III) fluoride
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: COF2, SO2; thermal decompn. in inert atmosphere (exclusion of moisture);; | |
In neat (no solvent) byproducts: COF2, SO2; thermal decompn. in inert atmosphere (exclusion of moisture);; |
Conditions | Yield |
---|---|
anhydr. fluoride, 220-260°C, 3 to 6 h; | 83% |
Conditions | Yield |
---|---|
With potassium chloride; sodium chloride In melt Electrolysis; ScF3 or ScCl3; vac., heating to 300-350°C, filling with Ar, electrolysing at 780-860°C (NaCl electrolyte) or at 720-750°C (NaCl+KCl electrolyte), current density = 0.1-0.5 A/cm**2; detd. by mass spectrography; | 65% |
scandium(III) fluoride
A
tris(η5-cyclopentadienyl)scandium(III)
Conditions | Yield |
---|---|
With (C5H5)Na In tetrahydrofuran refluxing for 12 h; under argon or vac.;; drying by heating at 110°C under vac. for 7 h; extn. with toluene; concn.; recrystn. from toluene/hexane (2/1); elem. anal.; | A 9% B 14% |
scandium(III) fluoride
Conditions | Yield |
---|---|
With calcium In neat (no solvent) thermal redn, (calcium metal); electrochem. refinement; | |
With calcium In neat (no solvent) byproducts: CaF2; reduction with Ca under Ar, start of react. at 850-900°C; Ta- or Zr-boride-vessel;; heating to 1400°C, distn. in vac.;; | |
With calcium In neat (no solvent) reduction with Ca under Ar, start of react. at 700-800°C, heating to 1500°C at 10E-4 Torr (distn. of Sc); Mo-vessel;; |
Conditions | Yield |
---|---|
In neat (no solvent) at 900°C, heating slowly;; detected by thermogravimetric and X-ray-measurements;; | |
With air In neat (no solvent) hydroylsis by moisture in the furnace on heating in dry Ar or He;; | |
In neat (no solvent) hydroylsis in a stream of moist N2 at 800°C;; not pure, contaminated with oxide;; |
Conditions | Yield |
---|---|
In neat (no solvent) on fast heating to 300°C;; detected by thermogravimetric and X-ray-measurements;; | |
In neat (no solvent) 975.-+.25°C, streaming H2O-vapor, 4-30min; increase of react.-rate in presence of U3O8 and/or Cr2O3;; | >99 |
In neat (no solvent) at 1040°C, heating slowly;; detected by thermogravimetric and X-ray-measurements;; |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) solid state reacn. between appropriate amts. of RbF and ScF3 in a sealed Pt tube under Ar; |
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) solid state reacn. between appropriate amts. of CsF and ScF3 in a sealed Pt tube under Ar; |
xenon difluoride
scandium(III) fluoride
terbium(III) fluoride
terbium tetrafluoride
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: Xe; heating (430-470°C, 0.5-1 h); DTA; |
Conditions | Yield |
---|---|
In water formation in soln., determination of complex formation constant;; not isolated;; |
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