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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... -
Chinese wholesale N-Methyl-2-pyrrolidinone - 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... -
Lowest Price for (R)-3-Aminobutanol - 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 ... -
2021 Good Quality FeSO4 - Sodium bis(trifluoroMethylsulfonyl)imide (Na-TFSI) – Freemen
Melting Point(DSC,℃) ≥250℃ Lead(Pb, ICP-AES) ≤ 10ppm Iron(Fe, ICP-AES) ≤ 10ppm Each other heavy Metals(ICP-AES) ≤ 100ppm Identification RT in 1C Assay(w/w%) >99.0% Water(KF,w/w%) ≤1.0% pH value(10% w/w aq solution) 5-9 3kg/ drum, 18kg/carton UN No.2923, Class:8, Packing group:II ☑ It can be used as long-acting optical antistatic additives based on ion formula. PPM addition can significantly reduce the surface resistance, significantly improve the antistatic properties of acrylic, PU, ... -
OEM/ODM Supplier White powder - 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 China Clethodim - 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 Price for CAS 104-46-1 - 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... -
Factory wholesale Pyridine-SO3 complex - 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... -
OEM/ODM Manufacturer Liquid - 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 ̵... -
Low price for Avobenzone - 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... -
Cheapest Price CAS 5466-77-3 - 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... -
Factory wholesale Pyridine-SO3 complex - 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 ̵...
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