酒石酸是一种羧酸﹐存在于多种植物中﹐如葡萄和酸角、甜角﹐也是葡萄酒中主要的酸之一。作为食品中添加的剂﹐可以使食物具有酸味。酒石酸的用途是饮料添加剂。也是药物工业原料。在制镜工业中,酒石酸是一个重要的助剂和还原剂,可以控制银镜的形成速度,获得非常均一的镀层。用作增效剂、鞣制剂、螯合剂、药剂。广泛用于医药、食品、制革、纺织等工业。在低温时对水的溶解度低,易生成不溶性的钙盐。
基本信息important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 相对分子质量:150.09 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> CAS号:87-69-4 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 英文名称:tartaric acid,简称TA important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 状态:单斜晶体important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">(无水) important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 熔点important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">:171-174 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 密度:1.7598(20) important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 折光率:1.4955 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 溶解度:溶于水、丙酮important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">、乙醇 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 存在:酒石酸在水中溶解度:右旋酒石酸139,左旋酒石酸139,内消旋酒石酸125,外消旋酒石酸20.6。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 学名:2,3-二羟基丁二酸 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 分子式important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">:C4H6O6 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 结构式important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">:HOOCCHOHCHOHCOOH important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 分子量:150.09(D型-无水物);168.10 (DL型-一水物)。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 异构体及性能important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">:酒石酸分子中有两个不对称碳原子,故有3种光学异构体,即左旋酒石酸或L-酒石酸、右旋酒石酸或D-酒石酸、内消旋酒石酸。等量的左旋酒石酸与右旋酒石酸混合得外消旋酒石酸或DL-酒石酸。天然酒石酸是右旋酒石酸。工业上生产量的是外消旋酒石酸。D型酒石酸为无色透明结晶或白色结晶粉末,无臭,味极酸,相对密度1.7598。熔点168~170℃。易溶于水,溶于甲醇、乙醇,微溶于乙醚,不溶于氯仿。DL型酒石酸为无色透明细粒晶体,无臭味,极酸,相对密度1.697。熔点204~206℃,210℃分解。溶于水和乙醇,微溶于乙醚,不溶于甲苯。酒石酸在空气中稳定。无毒。 质量指标important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> DL-酒石酸的质量指标: important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 指标名称 一水品 无水品 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> DL-酒石酸的质量分数/%≥ 99.5 99.5 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 熔点范围/% 200~206 200~206 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 硫酸盐/%≤0.04 0.04 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 加热减量/%≤ 11.5 0.5 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 灼烧残渣/%≤0.10 0.10
important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">用途important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 用作增效剂、鞣制剂、螯合剂、药剂。广泛用于医药、食品、制革、纺织等工业。在低温时对水的溶解度低,易生成不溶性的钙盐。
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