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  • Manufacturing Companies for CAS 80-54-6 - Tris(hydroxymethyl)aminomethane – Freemen

    Manufacturing Companies for CAS 80-54-6 - 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...
  • High definition 2-(4-Methylbenzyl)-2-(dimethylamino)-1-(4-morpholinophenyl)butan-1-one - 4-Chloromethyl styrene (4-Vinylbenzyl chloride) – Freemen

    High definition 2-(4-Methylbenzyl)-2-(dimethylamino)-1-(4-morpholinophenyl)butan-1-one - 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...
  • Best Price for CAS 10287-53-3 - 4-Chloromethyl styrene (4-Vinylbenzyl chloride) – Freemen

    Best Price for CAS 10287-53-3 - 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...
  • 2021 New Style Methyltributylammomium Bis((Trifluoromethyl)Sulfonyl)Imid (TBMA-TFSI) - Fluorobenzene – Freemen

    2021 New Style Methyltributylammomium Bis((Trifluoromethyl)Sulfonyl)Imid (TBMA-TFSI) - 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 ̵...
  • OEM/ODM Factory Plant growth regulator - Acetonitrile – Freemen

    OEM/ODM Factory Plant growth regulator - Acetonitrile – Freemen

    Appearance: Transparent liquid Purity: 99.9%min Water: 0.03%max Color (Pt-Co): 10 max Hydrocyanic Acid(mg/kg):10max Ammonia (mg/kg):6max Acetone (mg/kg): 25max Acrylonitrile (mg/kg): 25max Propionitrile (mg/kg): 500max Fe(mg/kg): 0.50max Cu (mg/kg): 0.05max 150kg/drum, 12Mt/FCL or 20mt/FCL UN No.1648, Class:3, Packing group:II ☑Chemical analysis and instrumental analysis. Acetonitrile is an organic modifier and solvent for thin layer chromatography, paper chromatography, spectroscopic a...
  • High Quality for Sodium Tert-Butoxide (STB) - Fluorobenzene – Freemen

    High Quality for Sodium Tert-Butoxide (STB) - 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 ̵...
  • High Quality 1,4,7,10-tetraazacyclododecane - Fluorobenzene – Freemen

    High Quality 1,4,7,10-tetraazacyclododecane - 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 ̵...
  • 8 Year Exporter Agrochemical - 2,6-Diethyl-4-methylaniline (DEMA) – Freemen

    8 Year Exporter Agrochemical - 2,6-Diethyl-4-methylaniline (DEMA) – Freemen

    200kg/drum, 16Mt/FCL or ISO tank Non-hazrdous goods ☑ It is used across industry, agrochemical Active ingriedient synthesis, dyes and pharmaceuticals. ☑Glass fiber polyester material, which accelerates the polymerization; auxiliary agent for the production of ion exchange resin and acrylic resin; ☑ It is used for the production of varnish of unsaturated polyester; pharmaceutical auxiliary agent for the production of schistosomiasis, penicillin and chloramphenicol; polymer Polymerization...
  • Free sample for CAS 1583-59-1 - 1-Methylimidazole – Freemen

    Free sample for CAS 1583-59-1 - 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...
  • OEM/ODM Supplier White powder - Imidazole – Freemen

    OEM/ODM Supplier White powder - Imidazole – Freemen

    ☑ Curing agent or accelerator of epoxy resins; ☑ In pharmaceutical industry, intermediates for other API, such as Imazalil, Tioconazole, Bifonazole. ☑ Important pesticide raw material for synergist of boric acid, preparation of insecticide and bactericide. ☑ Imidazole is a very important raw material and intermediate of fine chemical industry, which has a wide range of applications. Imidazole not only exists in the purine amino acids of ribonucleic acid and deoxyribonucleic acid, but also in ...
  • Factory Cheap Hot Drug - Acetonitrile – Freemen

    Factory Cheap Hot Drug - Acetonitrile – Freemen

    Appearance: Transparent liquid Purity: 99.9%min Water: 0.03%max Color (Pt-Co): 10 max Hydrocyanic Acid(mg/kg):10max Ammonia (mg/kg):6max Acetone (mg/kg): 25max Acrylonitrile (mg/kg): 25max Propionitrile (mg/kg): 500max Fe(mg/kg): 0.50max Cu (mg/kg): 0.05max 150kg/drum, 12Mt/FCL or 20mt/FCL UN No.1648, Class:3, Packing group:II ☑Chemical analysis and instrumental analysis. Acetonitrile is an organic modifier and solvent for thin layer chromatography, paper chromatography, spectroscopic a...
  • Factory wholesale Chemical Reagent - 2-Ethylaniline – Freemen

    Factory wholesale Chemical Reagent - 2-Ethylaniline – Freemen

    Appearance  light yellow liquid Purity (GC)  99.0%min Water  0.2%ma ☑ It used across industry, agrochemical Active ingriedient synthesis, dyes and pharmaceuticals. ☑After the N-alkylation reaction between o-ethylaniline and 2-bromopropane, chlorfenapyr can be obtained. This is a pre-emergence selective herbicide with good effect on grass weeds and some broad-leaved weeds. ☑O-Ethylaniline is also the raw material of methamchlor and the insecticide ethyl methamidine. ☑In the dye...

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