CAS号:643-79-8
品名:邻苯二甲醛phthalaldehyde
中文别名:邻苯二醛;1,2-苯二醛;鄰-鄰苯二甲醛;
英文别名:1,2-Benzenedicarboxaldehyde;o-Phthalaldehyde;
分子式:C8H6O2
分子量:134.132
精确质量:134.037
Psa:34.14
RTECS号:TH6950000
EINECS号:211-402-2
MDL号:MFCD00003335
外观与性状:淡黄色结晶粉末
密度:1.13
沸点:83-84 °C (0.7501 mmHg)
熔点:55-58°C(lit.)
闪点:&>230°F
折射率:1.622
稳定性:Stable. Air sensitive. Incompatible with strong oxidizing agents, strong bases.
储存条件:2-8ºC
安全说明:S26-S28-S36-S45-S36/37/39-S61
危险类别码:R25; R34; R43
WGK Germany:3
海关编码:2912299000
危险品运输编码:UN2923 8/PG 2
危险品标志:T
信号词:Danger
危险性防范说明:P273; P280; P301 + P310; P305 + P351 + P338; P310
危险标志:GHS05, GHS06, GHS09
危险性描述:H301; H314; H317; H400
简介:o-Phthalaldehydeorortho-phthalaldehyde(OPA)isthechemicalcompoundwiththeformulaC6H4(CHO)2.OftenabbreviatedOPA,themoleculeisadialdehyde,consistingoftwoformyl(CHO)groupsattachedtoadjacentcarboncentresonabenzenering.Thispaleyellowsolidisabuildingblockinthesynthesisofheterocycliccompoundsandareagentintheanalysisofaminoacids.OPAdissolvesinwatersolutionatpH<11.5.ItssolutionsdegradeuponUVilluminationandexposuretoair.
用途:主要用于医药、染料等。
有机砌块