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 quantiti
Cas:78-79-5
Min.Order:1 Kilogram
FOB Price: $23.0
Type:Lab/Research institutions
inquiryhe company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:Whit
Cas:78-79-5
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryHebei yanxi chemical co., LTD is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carb
Cas:78-79-5
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Trading Company
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
English name of Isoprene Chinese alias 2 - methyl-1,3 - butadiene CAS RN 78-79-5 EINECS No. 201-143-3 Molecular formula C5H8 Molecular Weight 68.11 Physico-chemical nature of traits volatile colorless, oily liqui
CAS No. 78-79-5 Other Names isoprene MF C5H8 EINECS No. 201-143-3 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Pac
Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:78-79-5
Min.Order:1 Kilogram
FOB Price: $3.0 / 5.0
Type:Trading Company
inquirySuperiority We can customize and synthesize products that other suppliers may not be able to provide. Advantage cof, mof ligand manufacturer Product Detail
Cas:78-79-5
Min.Order:100 Kilogram
Negotiable
Type:Trading Company
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
Appearance:White or off-white Solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Organic synthesis Transportation:Common products:Sea/Air/Courier Dangerous Che
Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
J&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
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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
Cas:78-79-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryIsoprene Chemical Properties Melting point 323-329 °C(lit.) Boiling point 34 °C(lit.) density 0.681 g/mL at 25 °C(lit.)
Cas:78-79-5
Min.Order:1 Metric Ton
FOB Price: $20.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:78-79-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Chinese supplier top quality Isoprene 78-79-5 with factory price Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to vario
Cas:78-79-5
Min.Order:1 Gram
Negotiable
Type:Other
inquirySuperior quality, moderate price & quick delivery. Appearance:light yellow liquid Storage:sealed and stored Package:25kg/drum, or as per your request. Application:Synthetic rubber monomers. Transportation: as per your request. Port:Shanghai, Ni
high 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
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:78-79-5
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
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
low price and high purityAppearance:solid or liquid Storage:in sealed air resistant place Package:As customer require Application:Pharma;Industry;Agricultural Transportation:by sea or by airplane Port:any port in China
Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Our advantages:1, High quality with competitive price:1) Standard:BP/USP/EP/Enterprise standard2) All Purity≥99%4) We are manufactureAp
Zhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The laboratory covers 600 m2 and the pilot plant covers 2000 m2. Kingorgchem i
Cas:78-79-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wealth of products,experience , expertise and state-of-the-art
HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl
Cas:78-79-5
Min.Order:1 Kilogram
FOB Price: $1.0 / 2.0
Type:Trading Company
inquiryShandong Luning Pharmaceutical Co., Ltd. was established in 2012. Covering an area of 80000 square meters, the company has solid preparation workshop, synthetic raw material workshop, drug R & D and testing center and complete supporting facili
Conditions | Yield |
---|---|
With supported heteropolyacid In tert-butyl alcohol at 160℃; under 71257.1 Torr; Pressure; Temperature; | 98.6% |
With water at 250℃; ueber einen phosphorsaeurehaltigen Katalysator;unter Zusatz von Heptandampf; | |
With water unter Zusatz von Heptandampf; |
Conditions | Yield |
---|---|
With zeolite H-ZSM-5 In benzene at 90℃; for 10h; | 98% |
With graphite oxide; zeolite In chloroform-d1 at 150℃; for 0.5h; Sealed tube; |
3-benzyloxy-2-methyl-1-butene
isoprene
Conditions | Yield |
---|---|
at 750℃; under 0.01 Torr; deprotection; | 96% |
n-butyl isocyanide
1,3-dimethyl-2,5-dihydro-1H-phosphole
A
1,4-dibutyl-2-methyl-1,4,2-diazaphospholidin-3,5-dione
B
isoprene
Conditions | Yield |
---|---|
at 20℃; for 16h; | A 94% B n/a |
Conditions | Yield |
---|---|
With piperazine; hydrogen In ethanol at 80℃; under 4500.45 Torr; for 24h; | 92% |
With ethanol; iron catalyst at 100℃; under 51485.6 Torr; Hydrogenation; | |
With zinc copper; water at 100℃; under 51485.6 Torr; Hydrogenation; |
Conditions | Yield |
---|---|
With pentacarbonyl(acetonitrile)tungsten In dichloromethane-d2 at 25℃; for 72h; | A 85% B n/a |
With pentacarbonyl(acetonitrile)tungsten In dichloromethane-d2 for 72h; Ambient temperature; | A 85 % Spectr. B n/a |
5-chloro-4-(3-methyl-2-butenyloxy)-2-methylthiopyrimidine
A
2-methylthio-5-chloropyrimidine
B
isoprene
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0) In toluene for 0.8h; Carroll reaction; Electrochemical reaction; | A 85% B n/a |
Conditions | Yield |
---|---|
With pentacarbonyl(acetonitrile)tungsten In dichloromethane-d2 at 25℃; for 24h; | A 84% B n/a |
With pentacarbonyl(acetonitrile)tungsten In dichloromethane-d2 for 24h; Ambient temperature; | A 84 % Spectr. B n/a |
6-O-allyl-1,2-O-isopropylidene-3-O-methallyl-5-O-prenyl-α-D-glucofuranose
A
isoprene
B
6-O-allyl-1,2-O-isopropylidene-3-O-methallyl-α-D-glucofuranose
Conditions | Yield |
---|---|
With (PhSO2)2 In dichloromethane-d2; toluene at 80℃; for 28h; | A n/a B 82% |
2-Methylbutyraldehyde
isoprene
Conditions | Yield |
---|---|
With Na-BPO4/ZrP at 350 - 600℃; Temperature; Reagent/catalyst; | 78% |
With boron(III) phosphate at 51.85℃; Product distribution; Further Variations:; Reagents; Temperatures; Reaction partners; time; Dehydration; |
(E)-5-[N-(3-methylbut-2-enyl)-N-(toluene-4-sulfonyl)amino]pent-2-enoic acid methyl ester
B
isoprene
Conditions | Yield |
---|---|
iron(III) chloride In dichloromethane at 20℃; for 7h; | A 78% B n/a |
Conditions | Yield |
---|---|
With phosphoric acid; oxalic acid; copper(II) sulfate In water under 9000.9 Torr; Reagent/catalyst; Pressure; Heating; Inert atmosphere; | 74.21% |
4-iodo-2-methyl-but-1-ene
(E)-1-iodo-1-octene
A
oct-1-ene
C
isoprene
Conditions | Yield |
---|---|
With tert.-butyl lithium In tetrahydrofuran; pentane 1) -78 deg C, 5 h; 2) 23 deg C, 18 h; | A 74% B 8% C 37% |
Conditions | Yield |
---|---|
In water at 300℃; under 760.051 Torr; Catalytic behavior; Reagent/catalyst; Flow reactor; | 73.7% |
In water at 350℃; under 760.051 Torr; Catalytic behavior; Reagent/catalyst; Pressure; Temperature; Inert atmosphere; | 70% |
With ammonium molybdate tetrahydrate and phosphoric acid supported on silica In water at 300℃; Reagent/catalyst; | 44.76% |
Conditions | Yield |
---|---|
With 1-fluoro-2-methyl-N,N-diisopropyl-propenylamine In chloroform at 20℃; | A 71% B 16% |
Conditions | Yield |
---|---|
With phosphoric acid; water at 175 - 178℃; under 11401.1 Torr; for 24 - 32h; Product distribution / selectivity; Industry scale; | 67.1% |
Conditions | Yield |
---|---|
at 310℃; under 115 Torr; for 0.133333h; Rate constant; Thermodynamic data; var. of initial pressure, temp., Ea, with addition of propene, toluene; | A n/a B 62.3% |
Conditions | Yield |
---|---|
at 555.9℃; Product distribution; isomerization at various degrees of compression; | A 59% B 17% |
at 204.6℃; under 21 Torr; for 2h; Kinetics; Product distribution; Thermodynamic data; Ea; further times; further temperatures; |
formaldehyd
isobutene
A
4-methyl-3,6-dihydro-2H-pyran
B
4-methyl-3,4-dihydro-2H-pyran
C
3-methyl-butane-1,3-diol
D
methylcyclopentadiene
E
3,4,4-trimethylcyclohexene
F
isovaleraldehyde
G
isoprene
Conditions | Yield |
---|---|
With niobium phosphate at 299.84℃; for 3.33333h; Temperature; | A n/a B n/a C n/a D n/a E n/a F n/a G 57% |
2-<(-3-methyl-2-butenyl)oxy>tropone
A
3-(1,1-dimethyl-2-propenyl)tropolone
B
isoprene
Conditions | Yield |
---|---|
at 140℃; for 2h; pyrolysis; | A 50% B 10 % Chromat. |
With pyrolysis at 140℃; for 2h; Mechanism; other alkenyloxytropones; | A 50% B 10 % Chromat. |
Conditions | Yield |
---|---|
100% |
trifluoromethyldiiodophosphine
isoprene
4-Methyl-1,2-bis-trifluoromethyl-1,2,3,6-tetrahydro-[1,2]diphosphinine
Conditions | Yield |
---|---|
With tin(ll) chloride In tetrahydrofuran | 100% |
4-Phenyl-1,2,4-triazolidine-3,5-dione
isoprene
3-methyl-8-phenyl-1,6,8-triazabicyclo[4.3.0]non-3-ene-7,9-dione
Conditions | Yield |
---|---|
In dichloromethane at -10℃; | 100% |
Conditions | Yield |
---|---|
In dichloromethane at -10℃; | 100% |
isoprene
Conditions | Yield |
---|---|
C48H58NOP2Si2Y; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In chlorobenzene at 50℃; for 0.166667h; Product distribution / selectivity; | 100% |
C48H58NOP2Si2Y; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In chlorobenzene at 20℃; for 0.333333h; Product distribution / selectivity; | 100% |
C48H58NOP2Si2Y; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In chlorobenzene at 20℃; for 1h; Product distribution / selectivity; | 100% |
styrene
isoprene
Conditions | Yield |
---|---|
With supramolecular complex of potassium with 18-crown-6 In tetrahydrofuran at 10℃; for 0.0833333h; | 100% |
styrene
isoprene
Conditions | Yield |
---|---|
With supramolecular complex of potassium with 18-crown-6 In tetrahydrofuran at 10℃; for 0.0833333h; | 100% |
styrene
isoprene
Conditions | Yield |
---|---|
With supramolecular complex of potassium with 18-crown-6 In tetrahydrofuran at 10℃; for 0.0833333h; | 100% |
styrene
isoprene
Conditions | Yield |
---|---|
With supramolecular complex of potassium with 18-crown-6 In tetrahydrofuran at 10℃; for 0.0833333h; | 100% |
isoprene
Conditions | Yield |
---|---|
With gadolinium metallocene-based catalyst; triisobutylaluminum; trityl tetrakis(pentafluorophenyl)borate In toluene at 20℃; for 1h; | 100% |
poly(methyl methacrylate), with 3,97 3-(bromomethyl)phenyl end groups, Mn 1.24E4 Da by SEC, Mn 1.32E4 by osmometry, Mn 1.36E4 Da by NMR, Mw/Mn 1.03; monomer(s): methyl methacrylate; 1,1-bis[3-(tert-butyldimethylsilyloxymethyl)phenyl]ethylene
isoprene
poly[(methyl methacrylate)-b-isoprene], asymmetric star-branched, 5-arm, Mn 5.98E4 Da, Mw 5.61E4 Da, Mw/Mn 1.02; monomer(s): methyl methacrylate; 1,1-bis[3-(tert-butyldimethylsilyloxymethyl)phenyl]ethylene; isoprene
Conditions | Yield |
---|---|
Stage #1: isoprene Stage #2: poly(methyl methacrylate), with 3,97 3-(bromomethyl)phenyl end groups, Mn 1.24E4 Da by SEC, Mn 1.32E4 by osmometry, Mn 1.36E4 Da by NMR, Mw/Mn 1.03; monomer(s): methyl methacrylate; 1,1-bis[3-(tert-butyldimethylsilyloxymethyl)phenyl]ethylene In tetrahydrofuran at -78℃; for 1h; | 100% |
isoprene
Conditions | Yield |
---|---|
With [Me2Si(C5Me4)(μ-PC6H11)Y(CH2SiMe3)]2; trityl tetrakis(pentafluorophenyl)borate In chlorobenzene at 25℃; for 2h; | 100% |
isoprene
Conditions | Yield |
---|---|
With (η5-C5Me4(SiMe3))′Y(CH2SiMe3)2(thf); trityl tetrakis(pentafluorophenyl)borate In chlorobenzene at 25℃; for 2h; | 100% |
isoprene
Conditions | Yield |
---|---|
With [Me2Si(C5Me4)(μ-PC6H11)Y(CH2SiMe3)]2; trityl tetrakis(pentafluorophenyl)borate In chlorobenzene at 20℃; for 2h; | 100% |
isoprene
Conditions | Yield |
---|---|
With (C5Me4nPr)Nd(BH4)2(THF)2; dibutylmagnesium In n-heptane; toluene at 50℃; for 20h; | 100% |
buta-1,3-diene
isoprene
poly(isoprene-block-butadiene), with 33 mol% polyisoprene and 67 mol% polybutadiene, > 99% of Z-1,4-double bonds in polyisoprene and 99% of Z-1,4-double bonds in polybutadiene, Mn 160000, Mw/Mn 1.13 by GPC; monomer(s): 1,3-butadiene; isoprene
Conditions | Yield |
---|---|
Stage #1: buta-1,3-diene With triisobutylaluminum; trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based yttrium complex In toluene at -10 - 25℃; Stage #2: isoprene In toluene at 20℃; for 0.333333h; Further stages.; | 100% |
isoprene
Conditions | Yield |
---|---|
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based yttrium complex In chlorobenzene at 0℃; for 3h; | 100% |
isoprene
Conditions | Yield |
---|---|
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based yttrium complex In chlorobenzene at 80℃; for 0.0833333h; | 100% |
isoprene
Conditions | Yield |
---|---|
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based scandium complex In chlorobenzene at 20℃; for 1h; | 100% |
isoprene
Conditions | Yield |
---|---|
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based yttrium complex In chlorobenzene at 20℃; for 1h; | 100% |
isoprene
Conditions | Yield |
---|---|
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based lutetium complex In chlorobenzene at 20℃; for 1h; | 100% |
isoprene
Conditions | Yield |
---|---|
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based yttrium complex In chlorobenzene at 20℃; for 0.333333h; | 100% |
isoprene
Conditions | Yield |
---|---|
diethylaluminium chloride In hexane at 40℃; for 24h; | 100% |
isoprene
Conditions | Yield |
---|---|
diethylaluminium chloride In hexane at 40℃; for 24h; | 100% |
isoprene
Conditions | Yield |
---|---|
diethylaluminium chloride In hexane at 40℃; for 24h; | 100% |
isoprene
Conditions | Yield |
---|---|
diethylaluminium chloride In hexane at 40℃; for 24h; | 100% |
isoprene
Conditions | Yield |
---|---|
diethylaluminium chloride In hexane at 40℃; for 24h; | 100% |
isoprene
Conditions | Yield |
---|---|
diethylaluminium chloride In hexane at 40℃; for 24h; | 100% |
isoprene
Conditions | Yield |
---|---|
diethylaluminium chloride In hexane at 40℃; for 24h; | 100% |
isoprene
Conditions | Yield |
---|---|
diethylaluminium chloride In hexane at 40℃; for 24h; | 100% |
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