【中文名称】： DL-苹果酸   CAS:617-48-1 
【分 子 式】(Formula)： C4H6O5
【分 子 量】(Molecular Weight)： 134.09
【产品含量(以C4H605计)】：99.0～100.5%
【富马酸含量】：≤1.00%
【马来酸含量】：≤0.05%
【重金属(以Pb计)含量】：≤10ppm
【砷(As)含量】：≤2ppm
【灼烧残渣】：≤0.10%
【水不溶物】：≤0.10%
【比旋光度[α]20】：-0.10～+0.10°
【熔程】：127～132℃
【包装】：25kg/纸袋
【贮存】：避光、密闭、干燥阴凉处贮存。
【外 观】（Appearance）： 三斜晶系白色晶体
【含 量】（Purity）： ≥99.50
【性 状】：白色结晶颗粒或结晶粉末，含量≥99.0%。易溶于水，醇等有机溶剂。水溶液呈酸性。DL－苹果酸熔点为129～131℃，150℃分解，在水中溶解度144g/100g，密度1.061g/cm苹果酸的是羟基丁二酸，由于亚甲基上氢原子较活泼，它能以β羟基酸形式失水而变成丁烯二酸，也可以水合复原。苹果酸既是α羟基酸也是β羟基酸。

原料来源：未成熟的苹果、葡萄、桃等的果汁。

Company Profile：

HQCHEALTH ^®& HQCBEAUTY ^®， Affiliated to the multinational chemical group HQC Group. We specialize in the research and development, production, and import and export of natural plant extracts, high-purity monomers of plant functional ingredients, standardized extracts, and health products, cosmetics, raw materials, and medicinal products. We have three specialized production factories and one research institute, and set up sales points in Hangzhou, Shanghai, and Guangzhou. The factory is located in Sanyuan, Zhouzhi, Shaanxi Province and Changsha, Hunan Province. Now it has production workshops organized and built according to GMP standards, equipped with advanced vacuum drying equipment and spray drying equipment, as well as a number of advanced full set stainless steel plant extraction production lines and stainless steel pilot workshops. The production process is completely closed and production management is carried out in strict accordance with the SOP of each post. We have a group of high-quality and professional management personnel who strictly manage the production of traditional Chinese medicine in accordance with GMP standards. A sound production quality assurance system and comprehensive rules and regulations have enabled our product quality and technical indicator system to reach the international advanced level, thus meeting the needs of domestic and foreign markets. The company insists on; The purpose of quality, service, integrity, and development is to follow the principles of low-carbon and environmental protection. The brand has entered international markets such as Southeast Asia, South America, the Middle East, and Europe, providing important raw materials for the pharmaceutical, food, cosmetics, health products, and other manufacturing industries. It has won the trust of many customers at home and abroad, and has stable international customers in countries and regions such as the United States, Europe, Korea, Japan, South America, and Southeast Asia.

HQCHEALTH^®&HQCBEAUTY^® (plant extraction, production of

cosmetic raw materials and raw materials for functional healthcare products)

Website:www.sxhaiqiangchem.com

Raw materials for functional healthcare medicinal products:

E-mail：hqchealth@chinahaiqiangchem.com

Cosmetic raw materials：

E-mail：hqcbeauty@chinahaiqiangchem.com