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  • Manufacturer of CAS 1993/8/3 - Tris(hydroxymethyl)aminomethane – Freemen

    Manufacturer of CAS 1993/8/3 - 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...
  • Manufacturer for Insecticide - Imidazole – Freemen

    Manufacturer for Insecticide - 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 ...
  • Best Price on CAS 118-60-5 - 1,2-Dimethylimidazole – Freemen

    Best Price on CAS 118-60-5 - 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 ...
  • High reputation Trifloxystrobin - Acetonitrile – Freemen

    High reputation Trifloxystrobin - 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...
  • OEM Factory for CAS 616-47-7 - Fluorobenzene – Freemen

    OEM Factory for CAS 616-47-7 - 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 ̵...
  • Good Wholesale Vendors CAS 70356-09-1   - 1,4,7,10-tetraazacyclododecane – Freemen

    Good Wholesale Vendors CAS 70356-09-1   - 1,4,7,10-tetraazacyclododecane – Freemen

    Appearance: White to almost white crystalline, hygroscopic Purity (Titration): 99.0%min Water: 1.0%max Toluene: 0.2%max unknown impurity: 0.05%max Total impurity: 0.2%max PH value:11-12.5 25kg/drum, 9Mt/FCL Non-hazardous material ☑ It used in pharmaceuticals. ☑ Cyclen and its derivatives exhibit selective coordination properties for transition metal cations, heavy metal cations, lanthanide and actinide ions, and even for organic or inorganic anions. The accurate behavior of cyclen and...
  • Manufacturer for food additive - Crotonic Acid – Freemen

    Manufacturer for food additive - 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...
  • 2021 China New Design Pest Control - 2,6-Diethyl-4-methylaniline (DEMA) – Freemen

    2021 China New Design Pest Control - 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...
  • 2021 wholesale price Oil additive - 2-Ethylaniline – Freemen

    2021 wholesale price Oil additive - 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...
  • Hot-selling CAS 91742-21-1 - Crotonic Acid – Freemen

    Hot-selling CAS 91742-21-1 - 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 Price CAS 24424-99-5 - 1,2-Dimethylimidazole – Freemen

    Factory Price CAS 24424-99-5 - 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 ...
  • Cheap PriceList for Potassium Tert-butoxide (KTB) - 1,2-Dimethylimidazole – Freemen

    Cheap PriceList for Potassium Tert-butoxide (KTB) - 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 ...

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