苯乙醛

性状描述: 无色结晶或油状液体。有丁香花香。不稳定，放置后能聚合变稠，成无香味的聚合物。溶于乙醇和乙醚，微溶于水。相对密度 (d2525)1.023～1.030。熔点33～34℃。沸点195℃。折光率 (n20D)1.524～1.528。闪点86℃。对眼睛、呼吸系统、皮肤有刺激性。商品也有用乙醇或苄醇稀释成50％溶液的。

质量标准: 95%:

外观Appearance                       无色透明至淡黄色液体
纯度Purity                            >97.0% (GC)
折光率Refractive index n20/D          1.5250-1.5320
酸值Acid value                        
<5 mg KOH/g >相对密度Specific gravity (25/25°C)   1.025-1.035
阻聚剂含量Stabilizer approx.          0.01 % 柠檬酸


50%邻苯二甲酸二乙酯溶液:

浓度concentration                        ~50% in diethyl phthalate
游离酸free acid                          ≤2%
相对密度Specific gravity (20/20°C)      1.0700 - 1.0790
折光率Refractive index n20/D             1.5130 - 1.5210


≥90%, FCC, Kosher, FG

外观Appearance                            colorless liquid
红外光谱Infrared spectrum                 Conforms to Structure
纯度Purity (GC)                           ≥90.00 %
折光率Refractive index n20/D              1.525 - 1.545
相对密度Specific Gravity(25°C)           1.025 - 1.045
酸值Acid Value                            ≤5.0
砷Arsenic (As)                            ≤3 ppm
镉Cadmium (Cd)                            ≤1 ppm
汞Mercury (Hg)                            ≤1 ppm
铅Lead (Pb)                               ≤10 ppm
溶解试验Solubility                        clear,colorless to very faint yellow
                                          1ml/2ml,80% ethanol

储存条件: 密封阴凉避光保存，不宜久藏。

用途: 有机合成中间体。香料。