Synonyms: Aminotris(methanephosphonic acid); ATMP; Nitrilotrimethanephosphonic acid
Molecular Formula: C3H12NO9P3
Molecular Weight: 299.05
CAS Number: 6419-19-8
EINECS Number: 2291465Properties
Appearance: Colorless to pale yellow clear liquid
Odor: Slightly aromatic
Density: 1.28-1.38 g/ml at 20 ° C
Solubility in water: Miscible
Stability: Stable under ordinary conditionsStorage and Packing
Packing: 250kgs net in PE drum, 1250kgs net in IBC or IsotankApplications
ATMP is widely used as a sequestering agent and calcium carbonate scale inhibitor for applications in industrial water treatment, industrial cleaning, oil production and textile bleaching.Safety Infromation
UN 3265 8/PG 3.Test ItemsStandardAppearanceColorless to pale yellow clear liquidActive acid48.0 - 52.0%pH (1% solution) @ 25 º C2.0 maxDensity @20 º C1.28 - 1.38g/cm 3Chloride (as Cl)1% maxIron (as Fe)20ppm maxH3PO3 (as PO3)4.5% max