Legal number (CAS RN) 56-40-6 Molecular formula C2H5NO2 Molecular weight 75.07 Appearance of physical and chemical properties white monoclinic system or hexagonal system crystals, or white crystalline powder. Odourless, has a special sweetness. Melting point 248 ℃ (decompositio
Hebei Dasho Biotechnology Co., Ltd [2016-05-09 18:11:46 ]
1,2,3-Trifluorobenzene CAS 1489-53-8 C6H3F3 132.08 Colorless transparent liquid CONTENT≥99.5% APPLICATION Used as Pharmaceutical intermediates 200kg/plastic drum
Zhejiang Chenxin Technology CO.,LTD. [2016-05-08 20:55:12 ]
m-Fluoroanisole cas 456-49-5 C7H7FO 126.13 Colorless transparent liquid content≥99.5% application Used as medicine, pesticide intermediates 200kg/plastic drum
Zhejiang Chenxin Technology CO.,LTD. [2016-05-08 20:54:06 ]
1-Bromo-3,5-difluorobenzene CAS 461-96-1 C6H3BrF2 192.99 Colorless transparent liquid CONTENT≥99.5% APPLICATION Used as medicine, pesticide intermediates, liquid crystal materials 200kg/plastic drum
Zhejiang Chenxin Technology CO.,LTD. [2016-05-08 20:53:21 ]
1-bromo-3,4,5-trifluorobenzene cas 138526-69-9 C6H2BrF3 210.98 Colorless transparent liquid content≥99.5% application Used as pharmaceutical intermediates 200kg/plastic drum
Zhejiang Chenxin Technology CO.,LTD. [2016-05-08 20:52:32 ]
3-bromofluorobenzene CAS 1073-06-9 C6HBrF4 175 Colorless transparent liquid CONTENT≥99.5% APPLICATION Used as medicine, pesticide intermediates 200kg/plastic drum
Zhejiang Chenxin Technology CO.,LTD. [2016-05-08 20:50:55 ]
DETDA is a very effective polyurethane elastomer chain expansion agent, especially for the RIM (reaction injection molding) and SPUA (spray polyurea elastomer); also can be used as polyurethane elastomer and epoxy resin aromatic diamine curing agent, used for casting, coating, RI
Dongying Aonuo International Trade Ltd.,Co. [2016-04-25 09:20:23 ]
DMTDA is a new type of polyurethane elastomer curing crosslinking agent, equivalent to Ethancure-300. Mainly includes two kinds of isomers, 2,4-isomer and 2,6-isomer ( The ratio is about 77~80% / 17~20%), compared with MOCA, it is low viscosity liquid under normal temperature, ca
Dongying Aonuo International Trade Ltd.,Co. [2016-04-25 09:12:02 ]
Item Specifications Appearance White crystalline powder Assay 98.5%～101.5% (Specific rotation) +14.3-+15.2 pH 5.5～7.0 (Loss on drying) ≤0.20% (Transmittance) ≥98.0% Heavy metals ≤10ppm Residue on ignition, ≤0.10% Chloride ≤0.02% Sulfate(as SO4 2- ) ≤0.02% (iron)
Shijiazhuang Haitian Amino Acid Co., Ltd. [2016-04-21 16:35:43 ]
Items Limits Appearance White crystals or crystalline powder Identification(IR) Conordant with the referennce spectrum Assay % 98.5～101.5 Specific rotation [a]D20 -33.2°～-35.2° Transmittance,% ≥95 Loss on drying % <0.30 pH 5.4～6.0 Residue on ignition % <0.1 Chloride (Cl
Shijiazhuang Haitian Amino Acid Co., Ltd. [2016-04-21 16:35:04 ]
Item Specifications Appearance Whitecrystalsorcrystallinepowder Assay,% (on dried basis) 99.0%～100.5% a state of solution ≥98% Specifc Rotation +23.0—+24.5 pH value (2% w/v solution) 5.6~6.1 Heavy metals (as Pb),% ≤0.001% Lron(Fe)％ ≤0.001％ Arsenic,% ≤0.0001% Sulfa
Shijiazhuang Haitian Amino Acid Co., Ltd. [2016-04-21 16:34:23 ]
Items Specifications Appearance White crystalline powder State of solution (Transmittance) Clear and colorless not less than 98.0% Specific optical rotation +31.5o ~ +32.5o Assay ,% min 99.0 ~ 100.5 Loss on drying,% max 0.2 Heavy metals (as Pb) max 10ppm PH value (5% in water) 3.
Shijiazhuang Haitian Amino Acid Co., Ltd. [2016-04-21 16:33:44 ]
Item Specifications Assay 98.5%~101.5% Transmittance ≥98 Speciific rotation -26.7°~-29.0° Chloride ≤0.02% Sulfate ≤0.02% Heavy metals ≤10PPM Arsenic ≤1PPM Iron ≤0.01% Residue on ignition ≤0.1% Loss on drying ≤0.2% pH value 5.0~6.5
Shijiazhuang Haitian Amino Acid Co., Ltd. [2016-04-21 16:33:02 ]
项 目 Item 标 准 Specifications 外 观 Appearance 白色结晶性粉末 white crystanlline powder pH值 pH value 5.0～6.0 氯化物,(CI) Chloride content(CI) 19.0%-19.6% 重金属(以Pb计 Heavy metals( Pb) ≤0.001% 比旋度 Specific rotation +20.4~+21.4° 干燥失重, L
Shijiazhuang Haitian Amino Acid Co., Ltd. [2016-04-21 16:32:11 ]
Item Specifications Appearance White or off-white powder Specific optical rotation +20.5o ~ +21.5o Assay ≥98.0%~ 102.0% Purity ≥99% Related substances ≤ 0.3% Loss on drying ≤0.5% Melting point 120.0℃~123.0℃
Shijiazhuang Haitian Amino Acid Co., Ltd. [2016-04-21 16:31:31 ]
Inspect Item Quality Standard Description White crystals or crystalline powder Specific Rotation 74.0° ～ -77.0° Identification Conforms ph 5.0 ～ 6.5 luminousness Not less than 95.0% Chloride(CL) Not moe than 0.020% Sulfate(SO4) Not more than 0.020% Ammonium(NH4) Not more th
Shijiazhuang Haitian Amino Acid Co., Ltd. [2016-04-21 16:30:31 ]
FEATURES 1.Normal available cap color is black, other colors can be also produced accordingly. 2.Septa & Pre-slit septa are available. 3.Polypropylene caps are chemically inert and suitable for most chromatography applications. 4.Phenolic resin caps perform well at high temperatu
Shaoxing ALWSCI Technologies Co.,Ltd [2016-04-20 16:05:47 ]
FEATURES 1. Reliable removal of microorganisms and particles from liquids for HPLC sample preparation.. 2. The syringe filters are available in many different pore sizes and with several hydrophilic or hydrophobic membrane materials. 3. High mechanical and tensile strength. 4.Cle
Shaoxing ALWSCI Technologies Co.,Ltd [2016-04-20 16:04:45 ]
FEATURES 1. Reliable removal of microorganisms and particles from liquids for HPLC sample preparation. 2. The syringe filters are available in many different pore sizes and with several hydrophilic or hydrophobic membrane materials. 3. High mechanical and tensile strength. 4. Cle
Shaoxing ALWSCI Technologies Co.,Ltd [2016-04-20 16:04:17 ]
FEATURES 1. Reliable removal of microorganisms and particles from liquids for HPLC sample preparation. 2. The syringe filters are available in many different pore sizes and with several hydrophilic or hydrophobic membrane materials. 3. High mechanical and tensile strength. 4. Cle
Shaoxing ALWSCI Technologies Co.,Ltd [2016-04-20 16:03:52 ]
