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易溶于水，易吸潮，易于运输和使用，尤其适用于冬季严寒地区。由于纯度较高，可用作纺织印染行业的金属螯合剂及金属表面处理剂。ATMP常与其它有机磷酸、聚羧酸或盐等复配成有机碱性水处理剂，用于各种不同水质条件下的循环冷却水系统。用量以1~20mg/L为佳；作缓蚀剂使用时，用量为20~60mg/L。 ATMP具有良好的螯合、低限抑制及晶格畸变作用。可阻止水中成垢盐类形成水垢，特别是碳酸钙垢的形成。ATMP在水中化学性质稳定，不易水解。在水中浓度较高时，有良好的缓蚀效果。 ATMP用于火力发电厂、炼油厂的循环冷却水、油田回注水系统。可以起到减少金属设备或管路腐蚀和结垢的作用。ATMP在纺织印染等行业用作金属离子螯合剂，也可用于金属表面处理剂等。

Specs ⸢ View details ⸥

Chinese name

氨基三亚甲基膦酸（ATMP）

English name

Nitrilotri(methylphosphonic acid)(ATMP)

Chinese alias

次氮基三(亚甲基膦酸) | 氨基三甲叉膦酸 | [双(膦酰基甲基)氨基]甲基膦酸 | 三(膦甲基)胺

English alias

ATMP | 7611-50-9 (tri-hydrochloride salt) | Aminotris(methanephosphonic acid) | Phosphonic acid, (nitrilotris(methylene))tris- | Phosphonic acid, P,P',P''-(nitrilotris(methylene))tris- | Nitrilotri(methylphosphonic acid) (ATMP) | {[bis(phosphonomethyl)ami

CAS number

6419-19-8

molecular formula

C3H12NO9P3

molecular weight

299.05 g/mol

Exact mass

50% in water

PSA

176.000 Å²

Logp

-7.200

Technical Documents

6419-19-8 | Nitrilotri(methylphosphonic acid).pdf
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