清明 响水爆炸与天津爆炸,都属于化学品爆炸事件。 事故发生后,有毒化学物质大量逸散到空气中。对周围的居民有没有危害?该不该撤离?撤离多远?... 美国人制定了常见化学物质的浓度标准,对我们有指导意义。今天的推文特介绍之。 今天的推文是我花了一天时间...
3-methyl-2-pentanol CH2CH3OH 2-ethyl-1-cyclohexanol 3 芳醇——苯环作取代基 选择同时连有羟基和苯环的碳原子在内最长碳链作为主链，编号时使羟基的位次比较小，苯环作为取代基。3-phenylpropanol CHCH=CH2OH 1-phenyl-2-propen-1-ol 4 多元醇 Poly-alcohol=Alkane-n-ol 在词尾ol前加上di-，tri-等来...
The company mainly includes propylene, benzene, acetone, dimethylformamide, dimethyl carbonate, methyl acetate, trichloroethylene, n-butyl acetate, cyclohexylamine, tetrachloroethylene, aniline, phenol, ethyl acetate, methyl acetate, SEC butyl acetate, 2-propanol, cyclohexane, 1,2-propy...
Isopropyl ether is stored in a flammable-liquids storage room, isolated from combustible and oxidizing materials. It shouldalso be protected from direct sunlight, staticelectricity, and lightning. It is stabilized with0.01% hydroquinone or p-benzylaminphenol.The ether is shipped in amber glass bottles...
(mixture of isomers)500ml256现货0.5D806979-25g2078-54-82,6-二异丙基2,6-Diisopropylphenol98%25g107现货0.025D806979-100g2078-54-82,6-二异丙基2,6-Diisopropylphenol98%100g36110个工作日0.1D806980-100g110-97-4二异丙醇***Diisopropanolamine98%100g76现货0.1D806980-500g110-97-4二异丙醇***...
双酚S 价格: 价格电议 产品详情:中文名称:双酚S英文名称:4,4'-sulfonyldiphenolCAS号码:80-09-1产品类别:砜、亚砜类化合物外观与性状:淡黄色结晶粉末 密度:1.366... 纯度:99% 包装规格:25kg/1kg/200kg 级别:医药级 用途:用于工业化大生产 货号:XK1260 品牌:信康 3(S)-Isopropyl-5(S)-{1 (R)-brom...
[4.4.0]癸-5-烯1,5,7-Triazabicyclo[4.4.0]dec-5-ene>98.0%(HPLC)(T)25g2450现货0.025T1983-5g2787-79-32,3,5,6-四***-4-(三***)2,3,5,6-Tetrafluoro-4-(trifluoromethyl)phenol>97.0%(GC)5g990现货0.005T1984-100mL97-94-9三乙基*** (含11%的***溶液,浓度约1mol/L)Triethylborane...
TCI Europe 公司信息 公司名称:TCI Europe 电话:3203-7350700 电子邮件:sales@tcieurope.eu 国籍:欧洲 网址:https://www.tcichemicals.com/de/de/index.html 产品总数:23671 公司提供产品列表
1609614 Salmeterol Related Compound A (20 mg) (4-[1-Hydroxy-2-(4-phenylbutylamino)ethyl]-2-(hydroxymethyl)phenol)1609625 Salmeterol Related Compound B (3 x 1.3 mg) (4-{1-Hydroxy-2-[6-(4-phenylbutan-2-yloxy)hexylamino]ethyl}-2-1609680 Salmeterol Related Compound H (30 mg) (1-Hydroxy...
With 5-hexyl-2,4,6-triaminopyrimidine; 5-[4-(Ph2P)benzyl]-5-ethyl-2,4,6-(1H,3H,5H)-pyrimidinetrione; substituted barbituric acid aminopyridine-containing reagent; [Rh(coe)2Cl]2; cyclohexylamine In 1,4-dioxane; phenol at 150℃; for 2h; A n/aB 95% 170110-95-9 5-Hydroxymethyl-...