3,4-Dibromothiophene-manufacture,factory,supplier from China

(Total 24 Products for 3,4-Dibromothiophene)
Products Description of 2,5-Dibromothiophene CAS#3141-27-32,5-Dibromothiophene is the light yellow transparent liquid, boiling point 211℃, melting point -6℃, relative density 2.147.2,5-Dibromothiophene Chemical PropertiesMelting point -6 °C (lit.)Boiling point 211 °C (lit.)density 2.147 g/mL at 25 °C (lit.)refractive index 1.627-1.63Fp 99 °Cstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Chloroform, Methanolform Liquidcolor Clear pale yellow to brownSpecific Gravity2.147Water Solubility practically insol
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Products Description of 3,4-Dibromothiophene CAS#3141-26-23,4-Dibromothiophenol is a colorless to pale yellow liquid with a boiling point of 221-222°C and a melting point of 4-5°C.3,4-Dibromothiophene Chemical PropertiesMelting point 4-5 °C (lit.)Boiling point 221-222 °C (lit.)density 2.188 g/mL at 25 °C (lit.)refractive index n20/D 1.640(lit.)Fp >230 °Fstorage temp. Keep in dark place,Sealed in dry,Room Temperatureform Liquidcolor Clear colorless to yellowSpecific Gravity2.188BRN 107642InChIKeyVGKLVWTVCUDISO-UHFFFAOYSA-NCAS DataBa
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Products Description of 2,3-Dibromothiophene CAS#3140-93-02,3-Dibromothiophene is an important pharmaceutical intermediate.2,3-Dibromothiophene chloride Chemical PropertiesMelting point -17.5°CBoiling point 218-219 °C (lit.)density 2.137 g/mL at 25 °C (lit.)refractive index n20/D 1.632(lit.)Fp 125 °Fstorage temp. Keep in dark place,Inert atmosphere,2-8°Cform liquidSpecific Gravity2.137color White to Yellow to GreenSensitive Light SensitiveBRN 107512InChIKeyATRJNSFQBYKFSM-UHFFFAOYSA-NCAS DataBase Reference3140-93-0(CAS DataBase Re
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Products Description of 1,1,1-TrimethoxypentaneCAS#13820-09-2Boiling point 165℃.1,1,1-Trimethoxypentane Chemical PropertiesBoiling point 164-166 °C (lit.)density 0.941 g/mL at 25 °C (lit.)refractive index 1.408-1.41Fp 41 °Cstorage temp. Flammables areasolubility Chloroform (Slightly), DMSO, Methanol (Slightly)form clear liquidcolor Colorless to Almost colorlessSensitive Moisture SensitiveMerck 14,9717BRN 1739200Stability:Unstable in acidic solution, Unstable In Acidic SolutionCAS DataBase Reference13820-09-2(CAS DataBase Reference)NIS
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(2-hydroxytrimethylene)bis(trimethylammonium) dichloride Chemical PropertiesMelting point 256-257 °C (decomp)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Products Description of Pentaerythritol triacrylate CAS#3524-68-3For photosensitive filmPentaerythritol triacrylate Chemical PropertiesMelting point 15℃Boiling point 359.71°C (rough estimate)density 1.18 g/mL at 25 °C (lit.)refractive index n20/D 1.483(lit.)Fp >230 °Fstorage temp. Inert atmosphere,Room Temperaturesolubility Chloroform (Slightly), Methanol (Slightly)pka13.63±0.10(Predicted)form Liquidcolor ColorlessSpecific Gravity1.16-1.19Water Solubility Immiscible with water.Sensitive HygroscopicBRN 6598752Stabilit
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Products Description of 2-Imidazolidone CAS#120-93-42-Imidazolidinone is an organic compound with the molecular formula C3H6N2O.
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Products Description of CIS-BUTENEDIOIC ANHYDRIDE CAS#108-31-6Maleic anhydride, also known as "maleic anhydride", is the anhydride of maleic acid. It is a colorless or white solid with a sour taste at room temperature, with a molecular formula of C4H2O3. Molecular weight 98.06. Needle-shaped crystals are obtained from chloroform or ether. Melting point 60℃, boiling point 82℃ (1.8665kPa), relative density 1.31460. Soluble in acetone, chloroform, ether, slightly soluble in petroleum ether.
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Products Description of CIS-BUTENEDIOIC ANHYDRIDE CAS#108-31-6Maleic anhydride, also known as "maleic anhydride", is the anhydride of maleic acid. It is a colorless or white solid with a sour taste at room temperature, with a molecular formula of C4H2O3. Molecular weight 98.06. Needle-shaped crystals are obtained from chloroform or ether. Melting point 60℃, boiling point 82℃ (1.8665kPa), relative density 1.31460. Soluble in acetone, chloroform, ether, slightly soluble in petroleum ether.
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Products Description of Imidazole CAS#288-32-4Imidazole, with the molecular formula C3H4N2, is an organic compound and a type of diazoles. It is a five-membered aromatic heterocyclic compound containing two meta-nitrogen atoms in the molecular structure.
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Products Description of Pyromellitic Dianhydride CAS#89-32-7The English name of pyromellitic dianhydride is Pyromellitic Dianhydride (abbreviated as PMDA, the same below), which is mainly used to synthesize polyimide.
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Products Description of [1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE-2-CARBOXYLIC ACID CAS#202065-25-6[1,2,4]Triazolo[1,5-a]pyrimidine-2-carboxylic acid is a chemical.Molecular Formula is C6H4N4O2.[1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE-2-CARBOXYLIC ACID Chemical Propertiesdensity 1.79±0.1 g/cm3(Predicted)form powderpka-4.67±0.41(Predicted)color CreamSafety InformationHazard Codes XiRisk Statements 43Safety Statements 36/37HazardClass IRRITANTHS Code 2933998090Product Application of [1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE-2-CARBOXYLIC ACID CAS#202065-25-6[1,2,4]Triazolo
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Products Description of Pyrophosphoric acid CAS#2466-09-3Pyrophosphoric acid is a colorless needle-shaped crystal or a colorless viscous liquid. It forms crystals after long-term storage and is colorless glassy. Pyrophosphate has strong coordination properties. Excess P2O74- can dissolve insoluble pyrophosphates (Cu2+, Ag+, Zn2+, Mg2+, Ca2+, Sn2+, etc.) to form complex ions, such as [Cu(P2O7)2]6-, [Sn(P2O7)2]6-, etc. It is often used as a catalyst in industry to prepare organic phosphates, etc. Pyrophosphate meets silver salt to obtain white silver pyrophosphate precipitate.
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Products Description of Polysiloxanes CAS#63148-53-8Polysiloxanes (CAS#63148-53-8), also known as silicones or dimethyl siloxanes, are polymeric compounds characterized by their unique properties. Here is a rigorous and factual product description:Product Name: PolysiloxanesCAS Registry Number: 63148-53-8Physical Description:Polysiloxanes are typically colorless to pale yellow, oily liquids with a low surface tension.
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Products Description of Microcrystalline cellulose CAS#9004-34-6Microcrystalline cellulose (MCC) is the product of natural cellulose hydrolyzed to the ultimate degree of polymerization by acid. It is white or nearly white in color, odorless and tasteless, and its particle size is generally about 2 to 80 μm. It has the advantages of low density, high modulus, renewable, biodegradable, and wide sources.
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Dichloroethane CAS#1300-21-6Chemical Properties:Dichloroethane is a colorless and transparent oily liquid with a chloroform-like odor and a sweet taste. It is very easy soluble in water, miscible with ethanol, chloroform and ether,it also can dissolve oil and grease, grease, paraffin. It is mainly used as a solvent.Application:Dichloroethane can be used as a standard reagent for chromatography; it is also used as a solvent for resins, rubber, cellulose acetate, cellulose esters, paints and polymers such as polystyrene; it is also used as a raw material for organic synthesis.
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MIBK CAS#108-10-1Chemical Properties:Dichloroethane is a colorless and transparent oily liquid with a chloroform-like odor and a sweet taste. It is very easy soluble in water, miscible with ethanol, chloroform and ether,it also can dissolve oil and grease, grease, paraffin. It is mainly used as a solvent.Application:Dichloroethane can be used as a standard reagent for chromatography; it is also used as a solvent for resins, rubber, cellulose acetate, cellulose esters, paints and polymers such as polystyrene; it is also used as a raw material for organic synthesis.
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1,4-Benzenedicarboxylic Acid, Compds. With Polyisobutenyl Succinic Anhydride-Tetraethylenepentamine Reaction Products CAS:68909-40-0Good dispersibility: It can be effectively dispersed in various solvents and matrices, which helps to improve the uniformity and stability of the product. Excellent thermal stability: It can maintain its stable performance at higher temperatures and is suitable for some high-temperature application scenarios.
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Methyl triphenyl phosphonium chloride Chemical PropertiesMelting point 221°C (dec.)Boiling point 332.65℃ at 101.3kPadensity 1.22 at 23℃vapor pressure 0.001Pa at 40℃storage temp. Inert atmosphere,Room Temperaturesolubility Soluble in methanol.form Solid:crystallinecolor White to Almost whiteSensitive HygroscopicLogP-1.73 at 20℃ and pH6.3-6.46Surface tension71.4mN/m at 1g/L and 20℃CAS DataBase Reference1031-15-8(CAS DataBase Reference)Safety InformationHazard Codes Xn;N,N,XnRisk Statements 21/22-38-41-51/53Safety Statements 22-26-36/37/
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Products Description of Ammonium Superphosphate (SSP) CAS#7758-23-8Ammonium Superphosphate (SSP), with the CAS number 7758-23-8, is a highly effective fertilizer used in agriculture to enrich soil with essential phosphorus and nitrogen.
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Products Description of Pentaerythrityl Tetraisostearate CAS#62125-22-8Pentaerythritol tetraisostearate is a high molecular weight liquid oil with a molecular formula of C77H148O8 and a molecular weight of 1201.99. It is insoluble in water.Pentaerythityl tetraisostearate Chemical PropertiesOdorat 100.00?%. blandLogP32.456 (est)EPA Substance Registry SystemPentaerythritol tetraisostearate (62125-22-8)Product Application of Pentaerythrityl Tetraisostearate CAS#62125-22-8It provides a moist and smooth feel to the hair and a very moist and non-greasy feel to the skin.
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Products Description of 2-Chlorophenol CAS#95-57-8 o-Chlorophenol is a colorless to yellow-brown liquid, m.p.8.7℃, b.p.175℃, n25D 1.5565, relative density 1.265.
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Products Description of Molybdate Orange CAS#12656-85-8 ,also known as Pigment Red 104, is an inorganic pigment that is widely recognized for its vibrant orange hue.
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Products Description of Poly(vinyl alcohol)CAS#25213-24-5White powderPoly(vinyl alcohol) Chemical PropertiesMelting point >300 °CEPA Substance Registry SystemVinyl acetate vinyl alcohol polymer (25213-24-5)Safety InformationRisk Statements 23/24/25-36/38-39/23/24/25Safety Statements 26-36/37-45WGK Germany 1RTECS TR8100000 Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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In the chemical industry, Dichloromethane (CAS#75 - 09 - 2) is a crucial organic compound. This colorless, volatile liquid with a moderately sweet aroma plays a significant role in various industrial applications. Let's take a closer look at the latest market trends, along with some in - depth knowledge about this compound.Market Price and Supply SituationOur recent market research reveals interesting trends in the Dichloromethane market. From 1st to 5th January 2025, the price of Dichloromethane in East China has increased, ranking among the top in terms of weekly average price increase.
Global Market Insights: Industrial-Grade Acetic Acid (CAS#64-19-7) - Trade Dynamics and Chemical ProfilingIntroduction: The chemical industry is at the forefront of global innovation, and acetic acid (CAS#64-19-7), a key player in this sector, is no exception. This article delves into the current state of the global market for industrial-grade acetic acid, recent developments, trade patterns, and the chemical properties that define its utility.Market Overview:The global acetic acid market, valued at over $1.1 billion in 2016, is projected to witness a CAGR of more than 6% from 2017 to 2024.
Citric Acid Anhydrous CAS#77-92-9: Industry News and ApplicationsCitric Acid Anhydrous, with the chemical abstract service number 77-92-9, is a multifunctional organic acid that has gained significant attention in various industries. Here's a curated overview of the latest news and developments surrounding Citric Acid Anhydrous:Industry Applications: Citric Acid Anhydrous is recognized for its diverse applications across industries.
Vitamin B2 is an essential nutrient for the human body, and it is an essential substance to form the surface of human tissues and organs.Vitamin B2 cannot be stored in the human body, but the human body needs it every day, so it must be supplemented from food every day.A slight deficiency of vitamin B2 will not feel anything in the body, but when it reaches a certain level, obvious symptoms will appearWhat type of nutrient is Vitamin B2?Vitamin B2 is a member of the vitamin B group. It is a water-soluble vitamin. After being absorbed by the human body, there is not much retention in the body.
The sugar that people often eat in daily life is extracted from sugarcane, sugar beet and other plants. There are also some substances in the plant kingdom that are sweeter than sucrose. Stevia, native to South America, is 200 to 300 times sweeter than sucrose; the West African bamboo skewers in the tropical forests of Africa are 3000 times sweeter than sucrose; there is also a vine plant of Dioscorea nigra with the sweetness of the fruit. 90,000 times that of sucrose.However, these substances, which are thousands of times sweeter than sucrose, are rarely seen.
Introduction of Capsaicin PepperThe spicy ingredients contained in pepper fruit are capsaicin pepperoids, including: capsaicin pepper, dihydrocapsaicin pepper, nordihydrocapsaicin pepper, homocapsaicin pepper, homodihydrocapsaicin pepper I, homodihydrocapsaicin pepper II, Nonoyl vanillylamide, Decoyl vanillylamide, Capryl vanillylamide. Capsanthin includes Cryptoxanthin, Capsanthin, Capsorubin, Carotene; also contains vitamin C, citric acid, tartaric acid, malic acid, protein, minerals, etc. .
What is Tianeptine Sodium Salt?Tianeptine sodium salt is an analytical reference standard, which is classified as opioid drugs. Tianeptine has been abused and has been associated with overdose and death. Preparations containing tianeptine have been used to treat depression.Tianeptine sodium salt is designed for analytical forensic applications and can also be used as a general research tool.Tianeptine Sodium Salt UsesTianeptine sodium is a tricyclic antidepressant. Its antidepressant mechanism is different from that of traditional tricyclic antidepressants.
Phosphoric Acid: A Versatile Chemical CompoundPhosphoric acid, a colorless, odorless, and syrupy liquid, is a common inorganic acid. Its chemical formula is H₃PO₄. It is a triprotic acid, meaning it can donate three protons (H⁺ ions) in aqueous solution.Properties and ProductionPhosphoric acid is a non-volatile, non-flammable, and relatively stable acid.
Evening primrose (Eveningprimrose) is a willow leaf vegetable native to North America. It gets its name because its flowers only bloom at night. Its roots, stems and leaves are often used as medicine by European nobles, so it is also known as the emperor’s panacea.Modern research has found that evening primrose oil extracted from evening primrose seeds is rich in GLA (gamma-linolenic acid). GLA is an unsaturated fatty acid, which is an important component of human cell membranes.
Breaking News: Innovative Advancement in Sodium Sulfur BatteriesResearchers at Osaka Metropolitan University have achieved a significant breakthrough in the development of all-solid-state sodium batteries, a promising alternative to lithium-ion batteries for next-generation energy storage systems.
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