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HS-321 Hydrolyzed Polymaleic Anhydride (HPMA)

Product name HS-321 Hydrolyzed Polymaleic Anhydride (HPMA)
CAS No. 26099-09-02
Structural Formula
Properties & Use It is non-toxic, easily soluble in water; has good chemical and thermal stability. HPMA is suitable for basic conditions, and is used for flash distillation plant in sea water desalinization and circulating cooling water with low-pressure boilers.
Conform to GB /T 10535-1997
Item Details
Appearance light yellow to brownish red transparent liquid
Solid content %         ≥ 48
Bromine value mg/g           ≤ 80
pH (1% aqueous solution) 2.0-3.0
Density(20℃)g/cm3   ≥ 1.18
Safety & Protection Avoid contact with skin and eyes; wash with plenty of water.
Packing & Storage In plastic drum, 25kg/drum or upon users' demand. Shelf life is 10 months.


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