Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff
Cas:821-10-3
Min.Order:100 Gram
Negotiable
Type:Other
inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:821-10-3
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:821-10-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiry1,4-Dichloro-2-butyne Basic information Product Name: 1,4-Dichloro-2-butyne Synonyms: 1,4-DICHLORO-2-BUTYNE;1,4-dichloro-2-butyn;1,4-dichloro-but-2-yne;1,4-Dichloro
Cas:821-10-3
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:821-10-3
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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:821-10-3
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
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
Cas:821-10-3
Min.Order:4 Kilogram
Negotiable
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 providi
Cas:821-10-3
Min.Order:0 Metric Ton
Negotiable
Type:Other
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:821-10-3
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiry1,4-Dichloro-2-butyne Chemical Properties Melting point 162-165 °C Boiling point 165-168 °C (lit.) density 1.258 g/mL at 25 °C (lit.) refractive index n20/D 1.505(lit.) Fp 320 °F storage temp. Keep in dark plac
Cas:821-10-3
Min.Order:1 Gram
FOB Price: $66.0
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:821-10-3
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
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
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
high 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
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
bulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical
Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as:
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
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
Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:821-10-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:intermediate
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use
Supply top quality products with a reasonable price Application:api
1,4-Dichloro-2-butyne cas 821-10-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
Known 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
Conditions | Yield |
---|---|
With pyridine; thionyl chloride | 84% |
With thionyl chloride In pyridine | 82% |
With pyridine; thionyl chloride at 0 - 20℃; for 2h; | 56% |
but-2-yne-1,4-bisoxycarbonylchloride
1,4-Dichloro-2-butyne
Conditions | Yield |
---|---|
With N,N-dimethyl-formamide In 1,2-dichloro-ethane at 80℃; | 76% |
Conditions | Yield |
---|---|
With thionyl chloride; triethylamine In dichloromethane at 10 - 20℃; | A 54% B 18% |
With pyridine; thionyl chloride In benzene at 10 - 20℃; for 6h; | A 49% B 24% |
With pyridine; thionyl chloride In benzene at 0 - 20℃; | A 40% B 17% |
With pyridine; thionyl chloride In benzene at 0 - 20℃; | A 35% B n/a |
With pyridine; thionyl chloride In benzene 1) 10 - 20 deg C, 7 h, 2) overnight; | A 26% B 30% |
pyridine
1,4-dihydroxybut-2-yne
thionyl chloride
1,4-Dichloro-2-butyne
Conditions | Yield |
---|---|
at 10 - 20℃; |
1,4-dihydroxybut-2-yne
phosphorus pentachloride
benzene
1,4-Dichloro-2-butyne
Conditions | Yield |
---|---|
at 80℃; |
1,4-dihydroxybut-2-yne
hydrogenchloride
acetic acid
A
(Z)-2,4-dichloro-but-2-en-1-ol
B
3,4-dichloro-but-2-en-1-ol
C
1,4-Dichloro-2-butyne
Conditions | Yield |
---|---|
at 100 - 110℃; |
triethylsilane
1,4-Dichloro-2-butyne
1,4-dichloro 2-triethylsilylbut-2-ene
Conditions | Yield |
---|---|
With dihydrogen hexachloroplatinate In tetrahydrofuran at 85℃; for 4h; | 100% |
With platinum(IV) oxide In toluene at 100℃; for 24h; diastereoselective reaction; | 75% |
dihydrogen hexachloroplatinate | |
With dihydrogen hexachloroplatinate at 170℃; for 1h; |
Phenylselenyl chloride
1,4-Dichloro-2-butyne
(E)-2-(Phenylseleno)-1,3,4-trichlorobut-2-ene
Conditions | Yield |
---|---|
In acetonitrile at 25℃; for 20h; | 100% |
1,4-Dichloro-2-butyne
Conditions | Yield |
---|---|
With copper dichloride; palladium dichloride In butan-1-ol; benzene at 25℃; for 24h; | 100% |
With copper dichloride; palladium dichloride In methanol; carbon dioxide at 40℃; under 120012 Torr; for 8h; | 98% |
Conditions | Yield |
---|---|
In neat (no solvent) Sonication; | 100% |
In acetonitrile at 80℃; for 24h; | 86% |
3-thiapentan-1,5-dithiol
1,4-Dichloro-2-butyne
1,4,7-trithiacycloundec-9-yne
Conditions | Yield |
---|---|
With potassium hydroxide In tetrahydrofuran for 5h; | 99.7% |
potassium phenyl selenide
1,4-Dichloro-2-butyne
1,4-bis(phenylselanyl)but-2-yne
Conditions | Yield |
---|---|
With hydrazine hydrate; potassium hydroxide at 25℃; for 2.5h; Temperature; | 99% |
1,4-Dichloro-2-butyne
benzenesulfenyl chloride
(E)-phenyl(1,3,4-trichlorobut-2-en-2-yl)sulfane
Conditions | Yield |
---|---|
In acetonitrile at 25℃; for 1h; | 98% |
In acetonitrile at 25℃; for 3h; | 98% |
Conditions | Yield |
---|---|
With 1-(carboxymethyl)-3-methylimidazolium chloride; hydrogenchloride; palladium dichloride In water at 20℃; for 12h; diastereoselective reaction; | 98% |
With acetic acid; palladium dichloride In water at 20℃; for 6h; | 91% |
(2-propenyl)propanedioic acid diethyl ester
1,4-Dichloro-2-butyne
tetraethyl dodeca-1,11-dien-6-yne-4,4,9,9-tetracarboxylate
Conditions | Yield |
---|---|
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at 0℃; Stage #2: 1,4-Dichloro-2-butyne In tetrahydrofuran; N,N-dimethyl-formamide at 0 - 20℃; | 98% |
Ph4P{MoCl(CO)3(1,10-phenanthroline)}
1,4-Dichloro-2-butyne
MoCl(CO)2(1,10-phenanthroline)(η(3)-CH2C(COCl)C=CH2)
Conditions | Yield |
---|---|
In water N2; stirring aq. suspn. of Mo complex with alkyne for 0.5 h; decantation, washing the residue with minimum cold water, drying at 50°C; | 97.7% |
In chloroform treatment of Mo-complex with excess ClCH2CCCH2Cl in CHCl3 at 20°C; high yield, elem. anal.; |
1,4-Dichloro-2-butyne
trans-2,3-dibromo-1,4-dichloro-2-butene
Conditions | Yield |
---|---|
With bromine In tetrachloromethane at 20℃; for 4h; | 97% |
With bromine In tetrachloromethane at 25℃; for 4h; | 94% |
N-allyl-o-nitrobenzenesulfonamide
1,4-Dichloro-2-butyne
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 48h; Reflux; | 97% |
1,4-Dichloro-2-butyne
bis(2-mercaptoethyl)ether
1,7-dithia-4-oxa-cycloundec-9-yne
Conditions | Yield |
---|---|
With potassium hydroxide In tetrahydrofuran for 5h; | 95% |
1,4-Dichloro-2-butyne
Conditions | Yield |
---|---|
With hydrogen bromide In acetic acid for 12h; Ambient temperature; | 95% |
potassium benzenemethanethiolate
1,4-Dichloro-2-butyne
1,4-bis(benzylsulfanyl)but-2-yne
Conditions | Yield |
---|---|
With hydrazine hydrate; potassium hydroxide at 25℃; for 2.5h; Temperature; | 95% |
1,3-dimethyl-5-hydroxyuracil
1,4-Dichloro-2-butyne
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 10h; Heating; | 94% |
Conditions | Yield |
---|---|
With sodium methylate; sodium chloride In methanol | 94% |
Conditions | Yield |
---|---|
With potassium hydroxide In dimethyl sulfoxide at 70 - 75℃; into -78 deg C cooling trap; | 93% |
With potassium hydroxide In tetrahydrofuran; water; dimethyl sulfoxide at 95℃; for 0.25h; | 90% |
With potassium hydroxide Dehydrochlorination; | 50% |
Phenylselenyl bromide
1,4-Dichloro-2-butyne
(E)-2-(Phenylseleno)-3-bromo-1,4-dichlorobut-2-ene
Conditions | Yield |
---|---|
In dichloromethane at 40℃; for 120h; | 93% |
3,5-dichloro-6-phenyl-2(H)-1,4-oxazin-2-one
1,4-Dichloro-2-butyne
2,6-dichloro-3,4-bis(chloromethyl)-5-phenylpyridine
Conditions | Yield |
---|---|
at 120℃; for 120h; | 93% |
at 100℃; Yield given; | |
at 80℃; for 240h; Diels-Alder reaction; |
3,5-dichloro-2(H)-1,4-oxazin-2-one
1,4-Dichloro-2-butyne
2,6-Dichloro-3,4-bis-chloromethyl-pyridine
Conditions | Yield |
---|---|
at 120℃; for 4h; | 93% |
In toluene for 120h; Heating; |
Conditions | Yield |
---|---|
In dichloromethane N2-atmosphere; 1:1 molar ratio, stirring (4 h); filtration, solvent removal from filtrate (vac.), recrystn. (CH2Cl2); elem. anal.; | 93% |
1,4-Dichloro-2-butyne
N-allyl-2-bromobenzenesulfonamide
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 48h; Reflux; | 93% |
tetraacetyl thioglucose
1,4-Dichloro-2-butyne
Acetic acid (2S,3S,4S,5R,6S)-3,5-diacetoxy-2-(2-oxo-propoxy)-6-[4-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-ylsulfanyl)-but-2-ynylsulfanyl]-tetrahydro-pyran-4-yl ester
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 1h; | 92% |
Conditions | Yield |
---|---|
With hydrazine hydrate; potassium hydroxide at 25℃; for 2.5h; Temperature; | 92% |
methyl 2-carbomethoxy-10-<(tetrahydro-2H-pyran-2-yl)oxy>-8-decynoate
1,4-Dichloro-2-butyne
2-(4-Chloro-but-2-ynyl)-2-[8-(tetrahydro-pyran-2-yloxy)-oct-6-ynyl]-malonic acid dimethyl ester
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran for 0.666667h; Heating; | 91% |
3,5-dichloro-6-methyl-2(H)-1,4-oxazin-2-one
1,4-Dichloro-2-butyne
2,6-dichloro-3,4-bis(chloromethyl)-5-methylpyridine
Conditions | Yield |
---|---|
at 120℃; for 120h; | 91% |
at 100℃; Yield given; | |
In toluene for 120h; Heating; |
dimethylmonochlorosilane
1,4-Dichloro-2-butyne
1,4-dichloro-2-(chlorodimethyl)silyl-2-butene
Conditions | Yield |
---|---|
chloroplatinic acid In isopropyl alcohol | 91% |
Conditions | Yield |
---|---|
Stage #1: sodium azide; 1,4-Dichloro-2-butyne In N,N-dimethyl-formamide at 20℃; for 2h; Inert atmosphere; Stage #2: 2-ethynylpyridine With copper(ll) sulfate pentahydrate; sodium L-ascorbate In water; N,N-dimethyl-formamide at 20℃; for 17h; Inert atmosphere; | 91% |
tert-butylmagnesium chloride
1,4-Dichloro-2-butyne
2,3-di-tert-butyl-1,3-butadiene
Conditions | Yield |
---|---|
With copper(I) bromide In tetrahydrofuran at -20 - 0℃; | 90% |
In tetrahydrofuran | 80% |
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