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2-Hydroxy Phosphonoacetic Acid (HPAA)

Identification

Synonyms: HPAA, HPA

CAS No.: 23783-26-8

Molecular Weight: 156

Molecular Formula: C2H5O6P

Structural Formula:

Application

Used as scale inhibitor, deflocculant, sequestrant, water stabilizer in water treatment, pipeline.

Specification

Item

Specification

Appearance
Dark brown liquid

Solid Content
50% min

Phosphorous Acid (as PO3) 3.0% max

pH Value (1% aqueous)
1.0~2.5 max

Color, APHA 80 max

Density( 20°C), g/cm³
1.32~1.42

Standard Packing

250kgs net/200L poly drum

Risks and Safety Info

Corrosive Liquid, Organic, N.O.S. Hazard Class 8; UN3265; PG III