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Wholesale Dealers of CAS 122-00-9 - 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 ... -
Factory Supply CAS 75-05-8 - 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... -
Chinese Professional Na-TFSI - 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 For CAS 865-47-4 - 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... -
Wholesale 5-Aminosalicylicacid (5-ASA ) - 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 ̵... -
Wholesale Price China PPS - Amines, C10-C14-tert-alkyl – Freemen
Appearance: Colorless to light yellow liquid Total Amine Value(mg KOH/g): 280-303 Water: 0.3%max Specific Gravity at 25/15.6 oC : 0.800-0.820 Color (Gardner):2max Neutralization Equivalent (g/mol): 185-200 160kg/steel drum, 15Mt/ISO tank UN No.2922, Class:8, Packing group:III ☑ It can be used as solubilizing modifier and extreme pressure antiwear agent of non oil soluble antiwear agent due to its excellent oil solubility; ☑ It can be used as an effective additive to improve the storage s... -
PriceList for 2,2-Difluoro-1,3-benzodioxole - 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... -
2021 China New Design 2-Pyrrolidinone - 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... -
Best quality Inorganic salt - 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... -
Factory wholesale 1-BOC PIPERAZINE (TERT-BUTYL 1-PIPERAZINE CARBOXYLATE) - 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... -
Hot New Products Medicine Synthesis - 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 ... -
Fast delivery Xyamine - 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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