基本信息
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六偏磷酸钠
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10124-56-8
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格来汉氏盐
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Na6O18P6
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611.77
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Sodium hexametaphosphate
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233-343-1
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2.181
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Metaphosphoric acid, hexasodium salt;Sodium polymetaphosphate;Calgon;Calgon (old);Calgon S;Caswell No. 772;Metaphosphoric acid, hexasodium salt;Graham's salt;Chemi-charl;EPA Pesticide Chemical Code 076402;Graham's salt;FEMA 3027;HSDB 5053;HMP;Hexametaphosphate, sodium salt;Hexasodium hexametaphosphate;Hexasodium metaphosphate;Medi-Calgon;Metaphosphoric acid (H6P6O18), hexasodium salt;Metaphosphoric acid, hexasodium salt;Natrium hexametaphosphat;Natrium hexametaphosphat [German];Phosphate, sodium hexameta;SHMP;Polyphos;Sodium hexametaphosphate (Na6P6O18);Sodium phosphate (Na6P6O18);Sodium phosphate, tribasic;Sodium polymeta phosphate;Sodium phosphate, tribasic;Sodium metaphosphate;Metaphosphoric acid (H6P6O18), hexasodium salt ; Metaphosphoric acid (H6P6O18), sodium salt (1:6);
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616℃
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1500℃
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详细信息
为透明玻璃片状或白色粉状晶体。吸湿性较强；吸湿后变粘，在空气中易潮湿，易溶于水，在水中溶解度较大，但溶解速度较慢；水溶液呈酸性反应。易水解或成亚磷酸盐。对某些金属离子（钙、镁）有生成或溶性络合物的能力，故可用来软化水，与铅、银、钡盐等也可生成络合物。
