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- Propyl Hydroxybenzoate ? 基安息香酸?
- Sodium Propyl Hydroxybenzoate 尼泊金丙酷钠, 尼泊金索M钠, 对羟基苯甲酸丙酯钠[防腐药]
- propyl hydroxybenzoate 羟苯丙酯
- 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。
- Objective:To suggest ethyl hydroxybenzoate not added in Lincomycin Hydrochoride Eye Drops. 目的:建议盐酸林可霉素滴眼液标准规定处方,不加羟苯乙酯。
- 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。
- Results:The peak of Lincomycin and that of ethyl hydroxybenzoate could not be separated. 结果:发现林可霉素峰与羟苯乙酯峰难以分开。
- Conclusions:The ethyl hydroxybenzoate in Lincomycin Hydrochoride Eye Drops interfere the content determination greatly. 结论:盐酸林可霉素滴眼液处方中如有羟苯乙酯的存在,对盐酸林可霉素滴眼液含量测定干扰很大。
- 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。
