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- propyl chlorocarbonate 氯甲酸丙酯
- Aim:to prepare propyl p-hydroxybenzoate. 目的:制备对羟基苯甲酸丙酯。
- Propyl gallate known as a familiar antioxidant,is widely used in food industry. 没食子酸丙酯作为一种常见的抗氧化剂已被广泛应用于食品行业。
- OBJECTIVE To synthesize thiamine propyl disulfide,a long-effect VitaminB1. 目的合成长效维生素B1丙硫硫胺。
- In this paper a new synthesis of Trimethylol propyl triacrylate was introduced. 本文介绍了三羟甲基丙烷三丙烯酸酯新的合成方法。
- These peaks correspond to side-chain cleavage of the ethyl and propyl groups respectively. 这些峰分别相当于乙基和丙基的侧链开裂。
- Dimethyl-carbonate is a kind of green chemicals,rapidly developed in recent year,as a substituent for poisonous phosgene,methyl chloride,methyl chlorocarbonate etc. 碳酸二甲酯是近年来迅速发展起来的环境调和型绿色化工产品,是可替代毒性较大的光气、氯甲烷、氯甲酸甲酯等物质的有机化工基本原料。
- This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates. 本文综述了光气下游精细化学品的开发及生产进展,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类化合物。
- A monovalent radical,such as ethyl or propyl,having the general formula CnH2n+1. 烷基,烃基一种单价基,如乙烷基和丙基,分子式为CnH2n+
- A monovalent radical, such as ethyl or propyl, having the general formula CnH2n+1. 烷基,烃基一种单价基,如乙烷基和丙基,分子式为cnh2n+1
- Talc, Mica, Silica, Propyl paraben, Methyl paraben, Art-Pearl, Zinc stearate, Vitamin E, Squalane, Iron oxdied black. 滑石,云母,矽石,尼伯金丙酯,尼伯金甲酯,人工珍珠,硬酯酸锌,维生素E,角鲨烷,氧化铁黑。
- Talc, Mica, Silica, Propyl paraben, Methyl paraben, Art-Pearl, Zinc stearate, Vitamin E, Squalane. 滑石,云母,硅石,尼伯金丙酯,尼伯金甲酯,人工珍珠,硬酯酸锌,维生素E,角鲨烷。
- A new processing method of propyl gallate was advanced in order to decrease the cost of production. 对常见的没食子酸丙酯提出一种尚未见报道的制备方法,可以大幅度地降低生产成本。
- Propyl glycidyl ether(PGE) was obtained from propyl alcohol and epichlorohydrin by phase-transfer catalysis. 以环氧氯丙烷和正丙醇为原料,通过相转移催化法合成了正丙基缩水甘油醚。
- Ingredients : Talc, Mica, Silica, Propyl paraben, Methyl paraben, Art-Pearl, Zinc stearate, Vitamin E, Squalane. 主要成分:滑石、云母、硅石、尼伯金丙酯、尼伯金甲酯、人工珍珠、硬酯酸锌、维生素E、角鲨烷。
- METHOD:The title compound was synthesized from methyl n propyl ketone and diethyloxalate via three steps. 方法:以2-戊酮和草酸二乙酯为原料,经三步反应合成了产物。
- Main products of the company are: Fumaric acid, titanium acid four different propyl ester. 南京华邦化工有限公司,主要产品有反丁烯二酸(即富马酸)、钛酸四异丙酯。
- GREEN propyl lactate is a propyl ester of natural lactic acid , which is produced by fermentation from sugar . 乐林乳酸丙酯是以蔗糖发酵生产的天然乳酸制成的。
- During the oxidation reaction, a phenyl group was found to be better than methyl and propyl groups. 有机基团的引入能够显著提高催化剂的活性,其中苯基效果最佳,其次是甲基和丙基。