Basic Information
Other Names: PA; PPA;Phosphonic Acid; Hydrogen Phosphonate
Molecular Formula: H3PO3
Molecular Weight: 82.00
CAS NO.: 13598-36-2
EINECS NO.: 237-066-7
UN NO.: 2834
H.S. CODE NO.: 2811199090
Standard: HG/T2520-2006
Purity: 99% min.
Physicochemical Properties
1.Appearence: Colorless Crystals
2.Melting Point: 74℃
3.Boiling Point: 200℃ （Decomposes)
4.Density: 1.651 Kg/L (21.1℃）
5.Stability: Stable.
Technical Specifications
Name of indexes | Guaranteed Specification | Testing Results |
Main content(based on H3PO3) | 99% min | 99.19% |
Chloride (Cl) | 0.001%max | 0.0004% |
Iron (Fe) | 0.005% max. | 0.0009% |
Sulphate (SO4) | 0.001% max. | 0.0005% |
Phosphate (PO4) | 0.3% max. | 0.03% |
Appearance | White Crystal | White Crystal |
Smell | Without smell | Without smell |
Packaging Types
25kg bag; 50kg bag; 1000kg bigbag or as per customers' requirement
Applications
Mainly used as a reducer, a nylon brightener, a plasticizer, a synthetic fiber, etc. in the plastic industry.
Also used to produce herbicides, bactericides and water quality stabilizers in the organo phosphorus pesticide industry.
Also used to produce high performance water treating agent ATMP.
Transport Information
1.IMDG: Class 8
2.Packaging group: III
3.Storage: Stored in a sperate, safe, cool, ventilated, dry warehouse.
