Pamoic acid, also called embonic acid, is a naphthoic acid derivative. Salts and esters of pamoic acid are known as pamoates or embonates. It can be prepared by the reaction of 2-hydroxy-3-naphthoic acid with formaldehyde.

CAS：130-85-8
中文别名：哌酸;亚甲基双羟萘酸;4,4\'-亚甲基二(3-羟基-2-萘甲酸);扑酸;2,2\'-二羟基-1,1\'-二萘甲烷-3,3\'-二羧酸;
英文别名：Pamoic;Pamoic Acid;1,1\'-Methylene-bis(2-hydroxy-3-naphthoic acid);2-Naphthalenecarboxylic acid, 4,4‘-methylenebis[3-hydroxy-;4,4-Methylenebis(3-Hydroxy-2-Naphthoic Acid);EMBIONIC ACID;Pamoic acid;PAMOIC ACID pure;PAMOIC ACID FREE ACID;4,4\'-Methylenebis(3-hydroxy-2-naphthoic Acid);EMBONIC ACID;Embonic acid;
分子式：C23H16O6
分子量：388.37
精确质量：388.095
Psa：115.06
Logp：4.3914

MDL号：MFCD00004079
EINECS号：204-998-0
PubChem号：24868634
BRN号：901319
RTECS号：QL2180000

外观与性状：细黄色粉末
密度：1.499 g/cm3
沸点：642.7ºC at 760 mmHg
熔点：≥300°C (dec.)
闪点：356.5ºC
水溶解性：PRACTICALLY INSOLUBLE
储存条件：Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
蒸汽压：2.13E-17mmHg at 25°C

RTECS号：QL2180000
安全说明：S26-S36
危险类别码：R36/37/38
WGK Germany：3
海关编码：2917399090
危险品标志：Xi
危险性描述：H315; H319; H335
信号词：Warning
危险标志：GHS07
危险性防范说明：P261; P305 + P351 + P338

生产方法
生产方法简介 由2-羟基-3-萘酸与甲醛缩合而制得 用途 其盐用于抗疟、驱虫等,疗效佳,有长效作用。
用途
用途 其盐用于抗疟、驱虫等,疗效佳,有长效作用。