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2021 New Style CAS 870-46-2 - 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... -
Chinese Professional NMP - Photochromic Material – Freemen
Photochromic Material Photochromic materials are transparent materials which exhibit increased light absorption when they are exposed to light. They can be optical glasses or plastic materials. The photochromic properties usually result from the addition of a photochromic substance to a transparent material. Typically, such materials are used in sunglasses which automatically adapt to the light conditions: they transmit most light if it is not too bright, but get increasingly dark when expose... -
Manufactur standard CAS 119313-12-1 - 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 Ferrous Sulfate - 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... -
Top Suppliers CAS 5495-84-1 - 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... -
Fast delivery Bifenthrin - 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 China CAS 4403-71-8 - 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... -
2021 New Style CAS 870-46-2 - 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 ̵... -
China Cheap price 1-Methylimidazole - 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... -
Cheap PriceList for Nonionic - 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... -
Wholesale Price Imidacloprid - 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 ... -
Chinese Professional Na-TFSI - Lithium bis(trifluoromethanesulphonyl)imide (Li-TFSI) – Freemen
Apperance White or off-white Color(10w/w% aqueous solution) ≤100 Hazen Lithium bis(trifluoromethylsulfonyl)imide(100-sum of impurities, w/w%) ≤ 99.5% Water Content(KF,w/w%) ≤ 1000ppm pH value(Aqueous solution at 10w/w% of Litfsi at room temperature) 6.0 to 9.0 Turbidity(25% in dimethoxyethane) ≤10 NTU Chloride(Ionic Chromatography) ≤15ppm Fluoride(Ionometry) ≤20ppm Sum of fluoride and chloride ions(Ionic Chromatography) ≤35ppm Sulphate(Ionic Chromatography) ≤20ppm Sodium(Na,AAS) ≤10ppm Potass...
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