Global Trade Item Number 产品目录编号GTIN 1.09141.100004022536111131 1.09141.100304054839633409 1.09141.100804065267405551 1.09141.400004027269029807 1.09141.500004022536111155 1.09141.901004022536111179 1.09141.901304054839633423 1.09141.902504022536111193 Documentation
2-甲基-2-戊烯酸2-Methyl-2-pentenoicAcid2-甲基-2-戊烯酸2-甲基-2戊烯酸草莓酸2-甲基-2-戊酸 英文别名 2-hexenoateFEMA 3195FEMA NUMBER 3195STRAWBERRIFFStrawberriff AcidNatural 2-methyl-2-pentenoic acid2-Pentenoic acid, 2-methyl-strawberry acid CAS 3142-72-1 Inchi InChI=1S/C6H10O2/c1-3...
for 1000 ml, c(NaOH) = 1 mol/l (1 N) Titrisol® 1N氢氧化钠水溶液 MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. MSDS 分析证书 CAS号: 1310-73-2 109956Purchase on Sigma-Aldrich Download Product Safety Card Recommended...
SADTLER REF NUMBER: 322 (IR, PRISM); 110 (IR, GRATING) IR: 5038 (Coblentz Society Spectral Collection) UV: 15734 (Sadtler Research Laboratories Spectral Collection) NMR: 6667 (Sadtler Research Laboratories Spectral Collection) MASS: 4335 (National Bureau of Standards EPA-NIH Mass Spectra Data Ba...
在氢氧化钠溶液中易水解,生成硫醇钠:CH3SH+NaOH=CH3SNa+H2O。 在氢氧化钠溶液中,甲硫醇与二硫化碳反应,生成三硫化碳酸酯的钠盐: 甲硫醇是脂肪烃中最低级的硫醇,臭味极强,阈值 0.01×10-6。有催眠性,高浓度时可使中枢神经麻痺。与硫化氢一样,可使结膜及角膜受害。与生物组织中的重金属有极强的化合能力,因而可...
3.苯甲酸甲酯与NaOH溶液反应制备 将减压精馏制得的苯甲酸甲酯加入四口烧瓶中,恒温水浴加热并控制温度,开启搅拌器,达到设定反应温度后用分液漏斗滴加一定浓度的NaOH溶液,生成甲醇及时蒸出,皂化反应制得苯甲酸钠溶液或糊状物。测定反应液的pH值以控制反应终点,pH=8时结束反应。对制得的苯甲酸钠直接真空干燥并粉碎,得...
HOAc+NaOH → NaOAc+H₂O 2HOAc+Na₂CO₃ → 2NaOAc+CO₂+H₂O HOAc+NaHCO₃ → NaOAc+CO₂+H₂O 安全信息 安全说明22-24/25 WGK Germany1 RTECS号AJ4300010 F3 自燃温度607 °C TSCAYes 海关编码29152200 毒害物质数据127-09-3(Hazardous Substances Data) ...
Hypericin structure Common Name Hypericin CAS Number 548-04-9 Molecular Weight 504.443 Density 1.9±0.1 g/cm3 Boiling Point 930.1±65.0 °C at 760 mmHg Molecular Formula C30H16O8 Melting Point 299-301°C MSDS Chinese USA Flash Point 530.1±30.8 °C Symbol GHS07Signal Word Warning ...
CAS number: 1310-73-2Colour: WhiteAppearance: White irregular flakesMelting point: 318.4Boiling point: 1390Solubility in water: 111g/100ml at 20Density: 2.13g/cm3 Product Parameters Product Name CAUSTIC SODA Type FALKES/PEARL/SOLID/LIQUID Formular NAOH Cas No 1310-73-2 Hs Cod...
酸值(0.1N/ml NaOH/50g), ≤ 5.0 GB/9736-1988 包装:PE塑料桶 无水级―DMSO质量技术指标 含量(DMSO),GC %, ≥ 99.9 GB/2307---1986)Gas Chromatography 结晶点, ℃, ≥ 18.35 GB/T7533-1993 酸值mgKOH/g, ≤ 0.001 GB/T9736-1988 折光率 (20℃), 1.478―1.479 GB/6488---1986 ...