羟基乙叉二膦酸二钠HEDP·Na2
Disodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP·Na2)
CAS No. 7414-83-7
BIEMING：QIANGJIYAYIJIERLINSUANERNA YITILINSUANNA GUTI
分子式 C2H6O7P2 Na2 相对分子质量：250
JIEGOUSHI
一、性能与用途
HEDP·Na2SHIYIZHONGYOUJILINSUANLEIZUGOUHUANSHIJI，NENGYUTIE、TONG、XINDENGDUOZHONGJINSHULIZIXINGCHENGWENDINGDELUOHEWU，NENGRONGJIEJINSHUBIAOMIANDEYANGHUAWU。HEDP·Na2ZAI250℃XIARENGNENGQIDAOLIANGHAODEHUANSHIZUGOUZUOYONG，ZAIGAOpHXIARENGHENWENDING，BUYISHUIJIE，YIBANGUANGRETIAOJIANXIABUYIFENJIE。NAISUANJIANXING、NAILVYANGHUAXINGNENGJIAOQITAYOUJILINSUAN(YAN)HAO。KEYUSHUIZHONGJINSHULIZI，YOUQISHIGAILIZIXINGCHENGLIUYUANHUANAOHEWU，YINERJUJIAOHAODEZUGOUXIAOGUOBINGJUMINGXIANDERONGXIANXIAOYING，DANGHEQITASHUICHULIJIFUHESHIYONGSHI，BIAOXIANCHULIXIANGDEXIETONGXIAOYING。HEDP·Na2GUANGFANYINGYONGYUDIANLI、HUAGONG、YEJIN、HUAFEIDENGGONGYEXUNHUANLENGQUESHUIXITONGJIZHONG、DIYAGUOLU、YOUTIANZHUSHUIJISHUYOUGUANXIANDEZUGOUHEHUANSHI；HEDP·Na2ZAIQINGFANGGONGYEZHONG，KEYIZUOJINSHUHEFEIJINSHUDEQINGXIJI，PIAORANGONGYEDEGUOYANGHUAWUWENDINGJIHEGUSEJI，WUQINGDIANDUGONGYEDELUOHEJI。
二、技术指标
| 项 目 | 指 标 | |
| 外 观 | 无色至微黄色透明液体 | 白色固体粉末 |
| 活性组分（以HEDP计） % ≥ | 16.5 | 74.0 - 79.0 |
| 活性组份(以 HEDP·Na2计)% ≥ | 20.0 | 89.8-95.8 |
| 密度（20℃）g/cm3 | 1.12 - 1.22 | —— |
| Fe（以Fe2+）含量mg/L ≤ | —— | 35.0 |
| 干燥失重% | —— | 3.0 - 6.0 |
| pH（1%水溶液） | 4.0 - 6.0 | 4.0 - 6.0 |
三、使用方法
ZUOZUGOUJIYIBANSHIYONGNONGDU2～20mg/L，ZUOHUANSHIJIYIBANSHIYONGNONGDU20-100mg/L，ZUOQINGXIJIYIBANSHIYONGNONGDU1000～2000mg/L，TONGCHANGYUJUSUOSUANXINGZUGOUFENSANJIPEIHESHIYONG。
四、包装与贮存
HEDP·Na2YETIYONGSULIAOTONGBAOZHUANG，MEITONG30kgHUO250kg，HEDP·Na2GUTICAIYONGNEICHENJUYIXIDAIDESULIAOBIANZHIDAIBAOZHUANG，MEIDAIJINGZHONG25kg，YEKEGENJUYONGHUXUYAOQUEDING。ZHUYUSHINEIYINLIANGCHU，GUTIZHUCUNQIWEISHIERGEYUE，YETIZHUCUNQIWEISHIGEYUE。
五、安全防护
HEDP·Na2WEIRUOSUANXING，CAOZUOSHIZHUYILAODONGBAOHU，YINGBIMIANYUPIFU、YANJINGDENGJIECHU，JIECHUHOUYONGDALIANGQINGSHUICHONGXI。
