3-Nitrobenzaldehyde, meta-nitrobenzaldehyde or m-nitrobenzaldehyde is an organic aromatic compound containing a nitro group meta-substituted to an aldehyde. 3-Nitrobenzaldehyde is the primary product obtained via the mono-nitration of benzaldehyde with nitric acid.
间硝基苯甲醛(CAS:99-61-6)物化性质
外观与性状:淡黄色至褐色结晶粉末或成粒状
熔点:56 °C
沸点:285-290 °C
闪点:164°C/23mm
折射率:1.617
稳定性:Stable under normal temperatures and pressures.
储存条件:Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
间硝基苯甲醛(CAS:99-61-6)安全信息
海关编码:2913000090
WGK Germany:3
危险类别码:R36/37/38
安全说明:S26-S36-S24/25-S61-S37/39-S29
RTECS号:CU7250000
危险品标志:Xi
间硝基苯甲醛(CAS:99-61-6)生产方法
以苯甲醛为原料,用硝酸钾、硝酸钠或硝酸在硫酸存在下进行硝化,都可以生成间硝基苯甲醛,收率大约分别为80%、60%及75%。将硫酸加入反应釜中,边搅拌边加入硝酸钠,加热至70℃使其全部溶解,降温到5℃,滴加苯甲醛,5-10℃加完,反应1h,将反应物慢慢加于碎冰中,充分搅拌使完全析出,滤出沉淀,在10℃用碳酸钠洗去酸,滤干,用酒精洗涤除去邻硝基物,低温减压干燥得到本品。
间硝基苯甲醛(CAS:99-61-6)用途
用作染料、感光材料