4-Chlorophthalic Anhydride
1. CAS number: 118-45-6
2. Formula: C8H3ClO3
3. MW.: 182.56
4. Structure:
5. Properties: colorless or yellowish flake or crystalline powder, boiling point, 294~295℃,melting point, 92~98℃, and non-toxic, no odor at normal temperature.
6. Technical Specification
Item 4-Chlorophthalic Anhydride
CAS 118-45-6
Appearance qualified 1st Grade High grade
colorless or yellowish flake or crystalline powder
Melting point, ℃ 92~98
Purity (HPLC), %,≥ 95 98 99
7. Application: used in the synthesis of polyimide monomers such as 3,3’,4,4’-biphenyl tetracarboxylic diandhydride (BPDA), 3,3',4,4'-diphenyloxide tetracarboxylic dianhydride (ODPA), hydroquinone diphthalic anhydride (HQDPA), 3,3’,4,4’-thiodiphthalic anhydride (TDPA), and 3,3',4,4'- Diphenylsulfone tetracarboxylic dianhydride (DSDA), etc..
Used in the synthesis of anthraquinone and phthalocyanine dyes, plant growth regulators, herbicides, anti-oxidants, germicides, anthelmintics, antihyperglycemic drugs and anti- spasmodics, new organic materials with magnetism and fluorescence, etc..
4-氯代苯酐
1、中文名称:4-氯代邻苯二甲酸酐
2、中文别名:4-氯代苯酐
3、英文名称: 4-Chlorophthalic Anhydride
4、CAS编号:118-45-6
5、分子式:C8H3ClO3
6、分子量:182.56
7、结构式:
8、产品性能:为白色或微黄色片状固体或结晶粉末,沸点294~295℃,熔点92~98℃,常温条件下无毒无味。
9、技术指标:
项 目 4-氯代邻苯二甲酸酐
CAS编号 118-45-6
外观 合格品 一级品 优级品
白色或浅黄色片状固体或结晶粉末
熔点,0C 92~98
纯度(HPLC),%,≥ 95 98 99
10、用途:用于聚酰亚胺单体的合成,如联苯四甲酸二酐(BPDA)、单醚二酐(ODPA)、双醚二酐(HQDPA)、硫醚二酐(TDPA)、二苯砜二酐(DSDA)等;在染料工业上用于生产蒽醌类和酞花青染料;合成植物生长调节剂、除草剂、有机物抗氧剂、杀菌剂、驱虫剂、抗高血糖药和镇痉剂、以及具有磁性荧光双功能的有机新材料。
关键字: 4-chlorophthalic anhydride; 4-氯代苯酐