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更新 2022-07-13 17:16
 

武汉吉业升化工有限公司

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  • 湖北-武汉市
  • 上次登录 2022-09-16
  • 潘泰龙 (先生)   dh15549414991
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 巯基乙酸
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TGA","marks":[]}]}],"state":{}},{"type":"block","id":"1cB9-1656907455800","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"oxQm-1656907455799","leaves":[{"text":"英文缩写 TGA","marks":[]}]}],"state":{}},{"type":"block","id":"UxK0-1656907455802","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"GrX8-1656907455801","leaves":[{"text":"国际编号 81611","marks":[]}]}],"state":{}},{"type":"block","id":"ozu7-1656907455804","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"65Wd-1656907455803","leaves":[{"text":"CAS号 68-11-1","marks":[]}]}],"state":{}},{"type":"block","id":"a4WC-1656907455806","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"x59m-1656907455805","leaves":[{"text":"MDL号 MFCD00004876","marks":[]}]}],"state":{}},{"type":"block","id":"WJa8-1656907455808","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"Z9a9-1656907455807","leaves":[{"text":"EINECS号 200-677-4","marks":[]}]}],"state":{}},{"type":"block","id":"pecP-1656907455810","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"DGW8-1656907455809","leaves":[{"text":"性质与稳定性","marks":[]}]}],"state":{}},{"type":"block","id":"5IpD-1656907455812","name":"list-item","data":{"version":1,"listId":"cmvp-1656907455758","listLevel":1,"listType":"ordered"},"nodes":[{"type":"text","id":"wrqi-1656907455811","leaves":[{"text":"在空气中迅速氧化,少量铜、铁、锰离子的存在能加速氧化过程。浓度小于70%(重量)的巯基乙酸水溶液,在室温下贮存是稳定的。在高浓度时,则会生成一定量的各种自酯化物。遇明火、高热能燃烧并放出有剧毒的硫化氢气体。","marks":[]}]}],"state":{"index":1}},{"type":"block","id":"mnT7-1656907455814","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"ACRl-1656907455813","leaves":[{"text":"2.稳定性 稳定","marks":[]}]}],"state":{}},{"type":"block","id":"el28-1656907455816","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"1EuZ-1656907455815","leaves":[{"text":"3.禁配物 强氧化剂","marks":[]}]}],"state":{}},{"type":"block","id":"9Dfu-1656907455818","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"z5hU-1656907455817","leaves":[{"text":"4.避免接触的条件 受热","marks":[]}]}],"state":{}},{"type":"block","id":"9P41-1656907455820","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"xcjr-1656907455819","leaves":[{"text":"5.聚合危害 不聚合","marks":[]}]}],"state":{}},{"type":"block","id":"TCSc-1656907455822","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"wVPx-1656907455821","leaves":[{"text":"6.分解产物 硫化物","marks":[]}]}],"state":{}},{"type":"block","id":"xHAk-1656907455824","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"cR6s-1656907455823","leaves":[{"text":"主要用途编辑","marks":[]}]}],"state":{}},{"type":"block","id":"Dmfw-1656907455826","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"ScBZ-1656907455825","leaves":[{"text":"1.用于制作环氧树脂,双酚A的催化剂,是日用化妆品冷烫精及脱毛剂的主要原料,也可用作合成PVC透明塑料和有机锑,有机锡的热稳定剂的基础原料。其试剂产品是检验铁,钼,银,锡等金属离子的灵敏试剂。选矿上为硫化铜及硫化铁矿物的抑制剂。在石油化学工业和铁路部门,用于设备及铁轨的清洗除锈。","marks":[]}]}],"state":{}},{"type":"block","id":"TN8u-1656907455828","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"wXQZ-1656907455827","leaves":[{"text":"TGA既具羟酸的反应特征,又具巯基的反应特征,其中最重要的反应是与二硫化物之间的反应。特别是碱性条件下与头发中的胱氨酸反应,切断胱氨酸的(-S-S-)键,生成易于卷曲的半胱氨酸。是生产硫甲丙脯(卡普托利)、生物素、硫锌酸、二硫基丁二酸钠等医药品的中间体,也是合成半胱氨酸、荷尔蒙化剂、工业消毒剂及合成硫酸的重要原料。","marks":[]}]}],"state":{}},{"type":"block","id":"TxNd-1656907455830","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"hbPq-1656907455829","leaves":[{"text":"2.其铵盐和钠盐主要用作卷发剂、钙盐可用做脱毛剂、聚氯乙烯低毒或无毒稳定剂、聚合反应的引发剂、加速剂及链转移剂、金属表面处理剂。此外,巯基乙酸是检定铁、钼、铝、锡等的敏感试剂;也可作为聚丙烯加工成型时的结晶成核剂以及涂料、纤维的改性剂、毛毯速理剂。聚氯乙烯、橡胶的稳定剂原料、冷烫发用药剂、医药中间体。","marks":[]}]}],"state":{}},{"type":"block","id":"9Eex-1656907455832","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"zzsP-1656907455831","leaves":[{"text":"3.用作光度法测定钼、铼和铁等的显色剂,并用作配合掩蔽剂。其盐还用于配制卷发冷烫剂和脱毛剂。","marks":[]}]}],"state":{}},{"type":"block","id":"8mpK-1656907455834","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"SduY-1656907455833","leaves":[{"text":"4.脱毛剂。巯基乙酸盐在较强碱性下,涂在皮肤上能进行快速脱毛。巯基乙酸可用于美容、临床手术前及动物实验时的脱毛。最常用的是巯基乙酸的钙盐,最适宜ph值为11.5~12。最低有效含量为:5%巯基乙酸,7%钙盐。","marks":[]}]}],"state":{}},{"type":"block","id":"EJ3D-1656907455836","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"lsPI-1656907455835","leaves":[{"text":"5.金属表面处理剂。添加极少量的巯基乙酸即能改进金属清洗剂和浸渍液的清洗效果,并能抑制被处理金属表面的腐蚀,故常用于金属的精密加工中的防锈剂。这种效果在很广泛的ph值范围内均很显著。含巯基乙酸的多组分清洗-防锈液可用于汽车冷却系统的清洗,ph值为10.6。巯基乙酸的十六烷基酯可抛光或清洗银制品,不会使银器表面失去光泽。","marks":[]}]}],"state":{}},{"type":"block","id":"z3ez-1656907455838","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"rSVs-1656907455837","leaves":[{"text":"6.聚氧乙烯低毒或无毒稳定剂。巯基乙酸辛锡酸、甲锡酯、辛酯、2-乙基己酯、甲氧基丁酯、乙氧基乙酯等具有低毒与无毒性,经美国食品与药物管理局批准,上述酯类可作为低毒无毒稳定剂。可用于聚氯乙烯上水管道、水泵等产品的加工,食品包装,食品加工厂的设备管道,亦可用于化妆品厂及制药厂,且这类稳定剂使产品透明性和热稳定性均有提高。此外,本品是检定铁、钼、铅、锡等的敏感试剂。还可用作纤维改性剂、毛毯整理剂。","marks":[]}]}],"state":{}},{"type":"block","id":"ITB8-1656907455840","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"AnzD-1656907455839","leaves":[{"text":"7.用作测定铁的试剂及稳定剂,用于药水、烫发水制造等。","marks":[]}]}],"state":{}},{"type":"block","id":"6ISl-1656907455842","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"3t0T-1656907455841","leaves":[{"text":"8.作为石油勘探缓蚀剂。巯基乙酸可以一种嗅盐完井液的优良缓蚀剂,在石油勘探钻探高压井时,为了保护油气层,减少对地层的伤害,需使用溴化物的无固相完井液,这些盐的浓溶液具有很强的腐蚀性,并且随温度的升高腐蚀性加剧。在高温下抑制盐水腐蚀的缓蚀剂只有含硫化合物,巯基乙酸盐在一定温度下与金属发生化学反应,形成一层致密的FeS保护膜,起到了缓蚀作用。","marks":[]}]}],"state":{}},{"type":"block","id":"eU3n-1656907455844","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"5jiX-1656907455843","leaves":[{"text":"包装:260公斤/蓝色塑料桶","marks":[]}]}],"state":{}},{"type":"block","id":"5ZN2-1657080093500","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"pycX-1657080093499","leaves":[{"text":"吉业升化工郑重承诺:","marks":[]}]}],"state":{}},{"type":"block","id":"FPNy-1657008257424","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"wmlG-1657008257423","leaves":[{"text":"① 坚持客户至上,用心服务。我们坚信,销售永远都是都是从售后开始的。","marks":[]}]}],"state":{}},{"type":"block","id":"eIa1-1657008257426","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"W9fp-1657008257425","leaves":[{"text":"② 凡在本公司购买的产品,在同一时段内一定做到同行业低价。量大详谈。","marks":[]}]}],"state":{}},{"type":"block","id":"6RgE-1657008257428","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"kbAD-1657008257427","leaves":[{"text":"③ 本公司把产品质量作为首要服务准则,所有产品均会检测合格出厂,值得信赖。","marks":[]}]}],"state":{}},{"type":"block","id":"bNnC-1657008257430","name":"paragraph","data":{"version":1},"nodes":[{"type":"text","id":"wn4E-1657008257429","leaves":[{"text":"④ 本公司和各大运输公司、物流公司都建立了良好的合作关系,运费实惠且优先发货。","marks":[]}]}],"state":{}}]">
中文名 巯基乙酸
外文名 Mercapto acetic acid
中文别名 硫醇醋酸 巯基醋酸 乙硫醇酸
英文别名 2-Mercaptoacetic acid TGA
英文缩写 TGA
国际编号 81611
CAS号 68-11-1
MDL号 MFCD00004876
EINECS号 200-677-4
性质与稳定性
  1. 在空气中迅速氧化,少量铜、铁、锰离子的存在能加速氧化过程。浓度小于70%(重量)的巯基乙酸水溶液,在室温下贮存是稳定的。在高浓度时,则会生成一定量的各种自酯化物。遇明火、高热能燃烧并放出有剧毒的硫化氢气体。
2.稳定性 稳定
3.禁配物 强氧化剂
4.避免接触的条件 受热
5.聚合危害 不聚合
6.分解产物 硫化物
主要用途编辑
1.用于制作环氧树脂,双酚A的催化剂,是日用化妆品冷烫精及脱毛剂的主要原料,也可用作合成PVC透明塑料和有机锑,有机锡的热稳定剂的基础原料。其试剂产品是检验铁,钼,银,锡等金属离子的灵敏试剂。选矿上为硫化铜及硫化铁矿物的抑制剂。在石油化学工业和铁路部门,用于设备及铁轨的清洗除锈。
TGA既具羟酸的反应特征,又具巯基的反应特征,其中最重要的反应是与二硫化物之间的反应。特别是碱性条件下与头发中的胱氨酸反应,切断胱氨酸的(-S-S-)键,生成易于卷曲的半胱氨酸。是生产硫甲丙脯(卡普托利)、生物素、硫锌酸、二硫基丁二酸钠等医药品的中间体,也是合成半胱氨酸、荷尔蒙化剂、工业消毒剂及合成硫酸的重要原料。
2.其铵盐和钠盐主要用作卷发剂、钙盐可用做脱毛剂、聚氯乙烯低毒或无毒稳定剂、聚合反应的引发剂、加速剂及链转移剂、金属表面处理剂。此外,巯基乙酸是检定铁、钼、铝、锡等的敏感试剂;也可作为聚丙烯加工成型时的结晶成核剂以及涂料、纤维的改性剂、毛毯速理剂。聚氯乙烯、橡胶的稳定剂原料、冷烫发用药剂、医药中间体。
3.用作光度法测定钼、铼和铁等的显色剂,并用作配合掩蔽剂。其盐还用于配制卷发冷烫剂和脱毛剂。
4.脱毛剂。巯基乙酸盐在较强碱性下,涂在皮肤上能进行快速脱毛。巯基乙酸可用于美容、临床手术前及动物实验时的脱毛。最常用的是巯基乙酸的钙盐,最适宜ph值为11.5~12。最低有效含量为:5%巯基乙酸,7%钙盐。
5.金属表面处理剂。添加极少量的巯基乙酸即能改进金属清洗剂和浸渍液的清洗效果,并能抑制被处理金属表面的腐蚀,故常用于金属的精密加工中的防锈剂。这种效果在很广泛的ph值范围内均很显著。含巯基乙酸的多组分清洗-防锈液可用于汽车冷却系统的清洗,ph值为10.6。巯基乙酸的十六烷基酯可抛光或清洗银制品,不会使银器表面失去光泽。
6.聚氧乙烯低毒或无毒稳定剂。巯基乙酸辛锡酸、甲锡酯、辛酯、2-乙基己酯、甲氧基丁酯、乙氧基乙酯等具有低毒与无毒性,经美国食品与药物管理局批准,上述酯类可作为低毒无毒稳定剂。可用于聚氯乙烯上水管道、水泵等产品的加工,食品包装,食品加工厂的设备管道,亦可用于化妆品厂及制药厂,且这类稳定剂使产品透明性和热稳定性均有提高。此外,本品是检定铁、钼、铅、锡等的敏感试剂。还可用作纤维改性剂、毛毯整理剂。
7.用作测定铁的试剂及稳定剂,用于药水、烫发水制造等。
8.作为石油勘探缓蚀剂。巯基乙酸可以一种嗅盐完井液的优良缓蚀剂,在石油勘探钻探高压井时,为了保护油气层,减少对地层的伤害,需使用溴化物的无固相完井液,这些盐的浓溶液具有很强的腐蚀性,并且随温度的升高腐蚀性加剧。在高温下抑制盐水腐蚀的缓蚀剂只有含硫化合物,巯基乙酸盐在一定温度下与金属发生化学反应,形成一层致密的FeS保护膜,起到了缓蚀作用。
包装:260公斤/蓝色塑料桶
吉业升化工郑重承诺:
① 坚持客户至上,用心服务。我们坚信,销售永远都是都是从售后开始的。
② 凡在本公司购买的产品,在同一时段内一定做到同行业低价。量大详谈。
③ 本公司把产品质量作为首要服务准则,所有产品均会检测合格出厂,值得信赖。
④ 本公司和各大运输公司、物流公司都建立了良好的合作关系,运费实惠且优先发货。
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