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羟基乙叉二膦酸（HEDP）

螯合剂
规格或纯度: 60%水溶液
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元素分类的化合物 膦酸类
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基本描述

别名 依替膦酸|羟基亚乙基二膦酸|(1-羟基亚乙基)二膦酸|乙烷-1-羟基-1,1-二磷酸|1-羟基亚乙基-1,1-二膦酸,羟基乙叉二膦酸|羟乙磷酸|1-羟基乙烷-1,1-二膦酸
规格或纯度 60%水溶液
英文名称 Etidronic acid
生化机理 螯合剂。显示出作为铁螯合剂的抗氧化作用。降低破骨细胞活性并防止体内钙化。口服具有活性
运输条件 常规运输
备注 如果有可能，您尽量在使用的当天配置溶液，并在当天使用完它。但是，如果您需要预先配制储备溶液，我们建议您将溶液等份保存在-20°C的密封小瓶中。通常，它们最多可以使用一个月。在使用前和打开样品瓶之前，我们建议您让您的产品在室温下平衡至少1小时。需要更多关于溶解度，用法和处理的建议吗？请访问我们的常见问题（FAQ）页面以获取更多详细信息。
产品介绍

本品是一种有机膦酸类阻垢缓蚀剂，能与铁、铜、锌等多种金属离子形成稳定的络合物，能溶解金属表面的氧化物。在250℃下能起到良好的缓蚀阻垢作用，在高pH值下仍很稳定，不易水解，一般光热条件下不易分解。耐酸碱性、耐氯氧化性能较其它有机膦酸（盐）好。可与水中金属离子，尤其是钙离子形成六圆环螯合物，因而具较好的阻垢效果并具明显的溶限效应，当和其它水处理剂复合使用时，表现出理想的协同效应。 作阻垢剂一般使用浓度1~10mg/L，作缓蚀剂一般使用浓度10~50mg/L；作清洗剂一般使用浓度1000~2000mg/L；通常与聚羧酸型阻垢分散剂配合使用。

依替膦酸(HEBP)可作为催化剂用于合成：
通过1-(2-羟基苯)-2-硝基乙酮、芳基醛和尿素之间的一锅环缩合反应合成5-硝基-3,4-二氢嘧啶-2(1H)-酮。
通过环氧化物和硫氰酸铵合成噻喃类化合物。

名称和标识符

IUPAC Name (1-hydroxy-1-phosphonoethyl)phosphonic acid
INCHI InChI=1S/C2H8O7P2/c1-2(3,10(4,5)6)11(7,8)9/h3H,1H3,(H2,4,5,6)(H2,7,8,9)
InChi Key DBVJJBKOTRCVKF-UHFFFAOYSA-N
Canonical SMILES CC(O)(P(=O)(O)O)P(=O)(O)O
WGK Germany 2
RTECS SZ8562100
关联CAS 25211-86-3
PubChem CID 3305
UN Number 3265
分子量 206.03
Beilstein号 1789291
Reaxy-Rn 1789291

化学和物理性质

溶解性 Soluble in water.
密度 1.45
沸点 105 °C
熔点 -40 °C

安全和危险性（GHS）

象形图
ghs05

Corrosive
信号词 Danger
危险声明 H413: May cause long lasting harmful effects to aquatic life
H318: Causes serious eye damage
预防措施声明 P305+P351+P338,P280
WGK Germany 2
RTECS SZ8562100
Reaxy-Rn 1789291
Merck Index 3863
个人防护装备 Eyeshields,full-face respirator (US),Gloves,multi-purpose combination respirator cartridge (US),type ABEK (EN14387) respirator filter

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参考文献

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