这个程序决定一种物质的分子量。输入物质的分子式,它将计算出元素的组合物和质量的化合物中的每个元素的总质量。 元素中的第一个字符使用大写字母,第二个字符使用小写字母。例子:Fe, Au, Co, Br, C, O, N, F。 你可以用小括号()或括号[ ]。
BF3 含量: 57-59% 比重 1.375-1.385 水分 <0.5% 熔点/沸点 85°c 包装 塑编袋/纸板桶 用途 电子/树脂聚合 Boron Trifluoride (Mono)ethylamine CAS No.: 75-23-0 Molecular Formula: BF3 C2H5NH2 Appearance: White or pale yellow crystalline solid powder ...
141.91 g/mol Boron Trifluoride Etherate CAS No.: 109-63-7 Molecular Formula: BF3.O(C2H5)2 Molecular Weight : 141.91 g/mol 关键字:三氟化硼乙醚络合物 ( Boron Trifluoride Etherate ) 公司简介 上海众巍是中国先进材料供应商。我们为国内外客户提供气体,化学品及相关产品服务,产品涉及各个工业领域,如钢铁...
Boron trifluoride etherate, strictly boron trifluoride diethyl etherate, or boron trifluoride–ether complex, is the chemical compound with the formula BF3O(C2H5)2, often abbreviated BF3OEt2. It is a colorless liquid, although older samples can appear brown. With the flash point between 37.8 and ...
Formula:BF3 Elements:Boron,Fluorine CASNumber:7637-07-2 RTECSNumber:ED2275000 Synonyms/Related: (11B) Boron trifluoride Anca 1040 BF3 Borane(1) , fluoro- Borane, trifluoro- Borane-11B, trifluoro- Boron fluoride Boron fluoride (BF3) Boron trifluoride ...
Formula:BF3 Elements:Boron,Fluorine CASNumber:7637-07-2 RTECSNumber:ED2275000 Synonyms/Related: (11B) Boron trifluoride Anca 1040 BF3 Borane(1) , fluoro- Borane, trifluoro- Borane-11B, trifluoro- Boron fluoride Boron fluoride (BF3) Boron trifluoride ...
CASNO.:373-61-5Formula:BF3·(CH3COOH)2Molecular Weight:187.91Appearance:colorlesstolightyellowliquidChroma:≤50#(pt-cochroma)BF3Content:35-37%H20content:≤0.3%Fe2+/Fe3+content:≤0.001%S042-content:≤0.015%Density(20℃)g/cm3:1.340-1.360Application:mainlyusedascatalystandintermediatesforpharm... ...
Specifically, the present invention provides a compound according to formula IIII: embedded image wherein A, B, X, Y, L1, L2, L3, R1, R2, R3, R4, R5, R6, R9, z2, z4, z5, and z6 are as defined herein) and salts thereof. The compounds of the present invention are inhibitors ...
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商标名称 CHEMICAL FORMULA MOLECULAR WEIGHT ELEMENTAL ANALYSIS 国际分类 第33类-酒 商标状态 商标注册申请 申请/注册号 20825105 申请日期 2016-08-01 申请人名称(中文) 深圳市奥力美生物工程有限公司 申请人名称(英文) - 申请人地址(中文) 广东省深圳市光明新区公明办事处上村社区民生路红花山工业区门口第1栋61...