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Benzaldehyde

Cas:
100-52-7
Molecular Structure:
MDL:
MFCD00003299
Molecular Formula:
C7H6O; C6H5CHO
Molecular Weight:
106.12
Alias:
安息香醛,人造苦杏仁油,苦杏仁油,苯醛 Artificial essential oil of almond
Product order:
Name Specifications Packing Price Delivery
Benzaldehyde GCS,≥99.5%(GC) 5ml RMB 83.6 Consulting service
Benzaldehyde AR 500ml RMB 50.6 Consulting service
Benzaldehyde CP 500ml RMB 39.6 Consulting service
Benzaldehyde ACS 500ml RMB 104.5 Consulting service
Benzaldehyde GR 500ml RMB 104.5 Consulting service
Benzaldehyde 重蒸馏, ≥99.5% 100ml RMB 217.8 Consulting service
Benzaldehyde 重蒸馏, ≥99.5% 500ml RMB 723.8 Consulting service
Character:
无色或浅黄色,强折射率的挥发性油状液体,有似苦杏仁味,燃烧时具有芳香气味。自燃点192℃。可燃。有强折光性。能随水蒸气一起挥发,久贮变黄。不稳定,在空气中能逐渐氧化成苯甲酸,在光线照射下更甚。能与醇、醚及油类混溶,微溶于水。能还原银氨溶液,但不能还原裴林氏溶液。低毒,半数致死量(大鼠,经口)1300mg/kg。
熔点:-26℃
沸点:179℃
密度:1.0415
闪点:64.5℃
折光率:1.5455
Quality Standard:
项目                                   分析纯      化学纯
                                        (AR)        (CP)
含量Assay,%                         ≥  98.5        98.0
密度(20℃)Density,g/mL              1.046-1.049 1.045-1.050
沸程Boiling range,℃                178.0-179.5 177.0-181.0
苯甲酸Benzoic acid,%                ≤  0.5          1.0
氯化物(Cl)Chloride,%                ≤  0.05         0.30

项目                                    优级纯  
                                         (GR)
外观Appearance                          白色或无色结晶
红外光谱鉴别Infrared spectrometry       符合
纯度Purity                              >99.0% (GC)
相对密度Specific gravity (20/20°C)     1.040-1.050
折光率Refractive index n20/D            1.5440-1.5460
酸值(以苯甲酸计)%,                   ≤0.5 

Storage:
密封阴凉干燥避光保存。
用途  有机合成, 溶剂, 测定臭氧及位于羰基旁边的亚甲基,检定酚和生物碱,香料制备。
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