羟基乙叉二膦酸HEDP
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
CAS No. 2809-21-4
BIEMING：QIANGJIYAYIJIERLINSUAN、HEDPA、(1-QIANGJIYAYIJI)ERLINSUAN、1-QIANGJIYAYIJI-1,1-ERLINSUAN
分子式 C2H8O7P2 相对分子质量：206.02
JIEGOUSHI
一、性能与用途
HEDPSHIYIZHONGYOUJILINSUANLEIZUGOUHUANSHIJI，NENGYUTIE、TONG、XINDENGDUOZHONGJINSHULIZIXINGCHENGWENDINGDELUOHEWU，NENGRONGJIEJINSHUBIAOMIANDEYANGHUAWU。ZAI250℃XIARENGNENGQIDAOLIANGHAODEHUANSHIZUGOUZUOYONG，ZAIGAOpHXIARENGHENWENDING，BUYISHUIJIE，YIBANGUANGRETIAOJIANXIABUYIFENJIE。NAISUANJIANXING、NAILVYANGHUAXINGNENGJIAOQITAYOUJILINSUAN(YAN)HAO。KEYUSHUIZHONGJINSHULIZI，YOUQISHIGAILIZIXINGCHENGLIUYUANHUANAOHEWU，YINERJUJIAOHAODEZUGOUXIAOGUOBINGJUMINGXIANDERONGXIANXIAOYING，DANGHEQITASHUICHULIJIFUHESHIYONGSHI，BIAOXIANCHULIXIANGDEXIETONGXIAOYING。
HEDPGUTISHUYUGAOCHUNCHANPIN，SHIYONGYUDONGJIYANHANDIQU；TEBIESHIYONGYUDIANZIXINGYEDEQINGXIJIHERIYONGHUAXUEPINTIANJIAJI。
HEDPGUANGFANYINGYONGYUDIANLI、HUAGONG、YEJIN、HUAFEIDENGGONGYEXUNHUANLENGQUESHUIXITONGJIZHONG、DIYAGUOLU、YOUTIANZHUSHUIJISHUYOUGUANXIANDEZUGOUHEHUANSHI；ZAIQINGFANGGONGYEZHONG，KEYIZUOJINSHUHEFEIJINSHUDEQINGXIJI，PIAORANGONGYEDEGUOYANGHUAWUWENDINGJIHEGUSEJI，WUQINGDIANDUGONGYEDELUOHEJI，YIYAOXINGYEZUOFANGSHEXINGYUANSUDEXIEDAIJI。
二、技术指标 符合GB/T 26324-2010 HG/T 3537-2010
| 项 目 | 指 标 | ||
| 50%液体 | 60%液体 | 固体 | |
| GB/T 26324-2010 | -- | HG/T 3537-2010 | |
| 外 观 | 无色或淡黄色透明液体 | 无色或淡黄色透明液体 | 白色结晶颗粒 |
| 活性组分（以HEDP计）/% | ≥50.0 | ≥60.0 | -- |
| 亚磷酸（以PO33-计）/% | ≤2.0 | ≤2.0 | ≤0.8 |
| 磷酸（以PO43-计）/% | ≤0.8 | ≤0.8 | ≤0.5 |
| 氯化物 （以Cl-计）/% | ≤0.02 | ≤0.02 | ≤0.01 |
| pH值（1% 水溶液） | 1.5-2.0 | 1.5-2.0 | 1.5-2.0 |
| 密度（20℃）/g·cm-3 | ≥1.36 | ≥1.40 | -- |
| 钙螯合值/mg·g-1 | ≥450 | ≥500 | -- |
| 铁(以Fe2+计)含量/mg·L-1 | ≤20.0 | ≤20.0 | ≤10 |
| 活性组份（以HEDP·H2O计）/% | -- | -- | ≥97.0 |
三、使用方法
HEDPZUOZUGOUJIYIBANSHIYONGNONGDU1～10mg/L，ZUOHUANSHIJIYIBANSHIYONGNONGDU10-50mg/L；ZUOQINGXIJIYIBANSHIYONGNONGDU1000～2000mg/L；TONGCHANGYUJUSUOSUANXINGZUGOUFENSANJIPEIHESHIYONG。ZAIQITAXINGYESHIYONGSHI，YINGGENJUSHIYANQUEDINGYONGLIANG。
四、包装与贮存
HEDPYETIYONGSULIAOTONGBAOZHUANG，MEITONG30KgHUO250Kg；HEDPGUTIYONGNEICHENJUYIXIDAIDESULIAOBIANZHIDAIBAOZHUANG，MEIDAIJINGZHONG25kg，YEKEGENJUYONGHUXUYAOQUEDING。ZHUYUSHINEIYINLIANGTONGFENGCHU，FANGCHAO，ZHUCUNQISHIERGEYUE。
五、安全防护
HEDPWEISUANXING，CAOZUOSHIZHUYILAODONGBAOHU，YINGBIMIANYUPIFU、YANJINGDENGJIECHU，JIECHUHOUYINGLIJIYONGDALIANGQINGSHUICHONGXI。
