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Manufacturer of CAS 24650-42-8 - 4-Chloromethyl styrene (4-Vinylbenzyl chloride) – Freemen
Apperance light yellow to colorless liquid Single bromine compound 1.0%max Purity (GC) 97%min (all isomers) Other single impurity 2%max 150kg/ drum, 18mt/ISO tank UN No.3265, Class:8, Packing group:II ☑ VBC can be used to create polyelectro-lytes with properties applicable to latex electrodeposition on metals. Other VBC-based polymers include polymeric surfactants, flocculating agents, phase transfer catalysts, electron carriers and viologens, ion exchange resins, and poly... -
Chinese wholesale Analgesic - 1-Methylimidazole – Freemen
☑Intermediates for organic synthesis; ☑ Polyurethane catalyst for semi-rigid foam and rigid foam; ☑ Accelerator for dicyandiamide or anhydride curing agent; ☑Dialkylimidazolium salt can be obtained by alkylation of 1-Methylimidazole. The type of salt is related to alkylation reagent and anion. Many ionic liquids can be obtained by this reaction; ☑N-methylimidazole is an important raw material for the synthesis of pharmaceutical intermediates, which is used to prepare losartan, nitazofenone an... -
2021 wholesale price Formulation - Fluorobenzene – Freemen
☑ It used across industry, pharmaceutical, electronical; ☑ The product is mainly used for the preparation of the main raw materials of the antipsychotic drugs, such as fluguabutanol, daloglabenzene, trihaloperidol, trifluoroperidobenzene, pentafluorolidol, quinolones ciprofloxacin, etc. At the same time, it can also be used for the identification of pesticides, egg killers, plastics and resin polymers. The condensation of fluorobenzene with γ – chlorobutyryl chloride can produce γ ̵... -
Factory Price CAS 24424-99-5 - Fluoro-aceticacimethylester – Freemen
☑200kg/ drum, 16mt/FCL or ISO tank ☑UN No.2929, Class:6.1, Packing group:I ☑ Methyl fluoroacetate is a highly toxic chemical, which can stimulate eyes, respiratory system and skin, and it is dangerous to contact with the accident. FLUOROACETIC acid is flammable and can produce hydrogen fluoride gas, a toxic chemical, when burned. The toxicity of methyl fluoroacetate is that it hydrolyzes to form FLUOROACETIC acid, which combines with the coenzyme A of cell mitochondria to form fluoroacetyl CO... -
Low price for Avobenzone - Tris(hydroxymethyl)aminomethane – Freemen
Appearance: white crystasl powder Purity (Titration): 99.5%min Water: 0.5%max [Fe3+]:5ppm max [SO4 2 ]:10ppm max [Cl]:10ppm max Heavy metal: 5ppm max 25kg/drum, 9Mt/FCL Non-hazardous material ☑ Tris buffer is not only widely used as a solvent for nucleic acids and proteins, but also has many important uses. Tris was used for protein crystal growth under different pH conditions. ☑ The low ionic strength of Tris buffer can be used to form the intermediate fiber of lamin in C. elegans. ☑ T... -
Cheap price Diallyl Phthalate (DAP) - Tris(hydroxymethyl)aminomethane – Freemen
Appearance: white crystasl powder Purity (Titration): 99.5%min Water: 0.5%max [Fe3+]:5ppm max [SO4 2 ]:10ppm max [Cl]:10ppm max Heavy metal: 5ppm max 25kg/drum, 9Mt/FCL Non-hazardous material ☑ Tris buffer is not only widely used as a solvent for nucleic acids and proteins, but also has many important uses. Tris was used for protein crystal growth under different pH conditions. ☑ The low ionic strength of Tris buffer can be used to form the intermediate fiber of lamin in C. elegans. ☑ T... -
Excellent quality Petroleum - Crotonic Acid – Freemen
Appearance Colorless to beige cystalline product Purity (GC) 99.0%min Water 0.2%max Iron 3ppm max Other single heavey metals 1ppm max 100kg/Fiber drum, 16Mt/FCL UN No.2823, Class:8, Packing group:III ☑ It used across industry, personal care industry, resin industry as additive, Flavor & fragrance industry. ☑ In pharmaceutical industry, It is used for synthesis of (R)-3-Aminobutanol for anti-HIV API Dolutegravir and intermediates for other API, such as Crot... -
OEM manufacturer CAS 616-45-5 - Crotonic Acid – Freemen
Appearance Colorless to beige cystalline product Purity (GC) 99.0%min Water 0.2%max Iron 3ppm max Other single heavey metals 1ppm max 100kg/Fiber drum, 16Mt/FCL UN No.2823, Class:8, Packing group:III ☑ It used across industry, personal care industry, resin industry as additive, Flavor & fragrance industry. ☑ In pharmaceutical industry, It is used for synthesis of (R)-3-Aminobutanol for anti-HIV API Dolutegravir and intermediates for other API, such as Crot... -
Factory Cheap Hot CAS 872-50-4 - Fluorobenzene – Freemen
☑ It used across industry, pharmaceutical, electronical; ☑ The product is mainly used for the preparation of the main raw materials of the antipsychotic drugs, such as fluguabutanol, daloglabenzene, trihaloperidol, trifluoroperidobenzene, pentafluorolidol, quinolones ciprofloxacin, etc. At the same time, it can also be used for the identification of pesticides, egg killers, plastics and resin polymers. The condensation of fluorobenzene with γ – chlorobutyryl chloride can produce γ ̵... -
Best Price for CAS 10287-53-3 - N,N’-Methanediylidenebis(2,6-diisopropylaniline) (CDI) – Freemen
Appearance: white Powder Purity(HPLC): 98.0%min Particle size: <15um:90min 25kg/ drum, 8mt/FCL UN No.2811, Class:6.1, Packing group: III ☑ Polyester, polyamide, EVA and polyurethane, Soluble in organic solvents ☑ It is an effective additive to prevent polymer degradation due to an exposure to humidity and acids.it helps maintain the molar mass and, thus, mechanical properties as well as melt strength of our bio-based polyester in spite of detrimental processing ste... -
OEM Customized CAS 96-47-9 - 1,2-Dimethylimidazole – Freemen
☑ Catalyst in polyurethane, applied in polyurethane rigid foam and elastomer to extend the pot life, fasten the reaction and increase the final cross-lin density. ☑It can be used as curing agent of epoxy resin, improve the mechanical properties of products such as bending, stretching and compression, improve the electrical properties of insulation and chemical resistance. It is widely used in computers and electrical appliances; it is used in printed circuit boards and integrated circuits as ... -
China Cheap price Dispersant agent - Poly(Ether Ketone Ketone) – Freemen
PEKK provides a unique combination of properties over a very wide range of temperature period.This polymer family has exceptional advantages for processing and expands the application possibilities. High temperature resistance - Highest Tg of PAEK - Tm range 305 – 358°C High tensile and compression strength/high stiffness High chemical resistance in harsh conditions Excellent fire properties - Low smoke and toxicity - Inherently flame retardant High purity, very low extractibles Process...
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