应用
Oxalic acid is used as reducing agent for photographic films, as mordant in dyeing process, as bleaching agent for removal of rust through complex formation, and as grinding agent during polishing of marble. It is used in waste water treatment to remove calcium. The conjugate base of oxalic acid acts as a chelating agent for metal ions. It is used as a catalyst for esterifications in synthetic organic chemistry and as an analytical reagent.

备注
Moisture sensitive. Incompatible with alkali metals.

基本信息

MDL
MFCD00002573

EINECS
205-634-3

分子式
C₂H₂O₄

分子量
90.04

熔点
ca 185° dec.

密度
1.9

灵敏度
Ambient temperatures.

形态
Crystalline

溶解性
Soluble in water. Slightly soluble in alcohol and ether. Insoluble in benzene and chloroform.

Beilstein
385686

Merck
14,6911

GHS危害和防范说明

GHS符号

Hazard Statements
H302-H312-H318
Harmful if swallowed.Harmful in contact with skin.Causes serious eye damage.

Precautionary Statements
P280-P305+P351+P338-P310a-P301+P312a-P321-P501a
Wear protective gloves/protective clothing/eye protection/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Specific treatment (see label).Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
21/22-41
Harmful in contact with skin and if swallowed.Risk of serious damage to eyes.

安全等级
24/25
Avoid contact with skin and eyes.

欧盟危险品标志

RTECS
RO2450000

TSCA
是