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MAPO (I)
CAS NO. 57-39-6
English name: Tris-1-(2-methylaziridinyl)phosphine oxide
English alias: Tris(2-methylaziridinyl)phosphine oxide
English abbreviation: MAPO
Product parameters
Executive standard: United state military standard DOD-T-82666A
English name: Tris-1-(2-methylaziridinyl)phosphine oxide
English alias: Tris(2-methylaziridinyl)phosphine oxide
English abbreviation: MAPO
CAS NO.:57-39-6
Molecular Weight: 215.23
Molecular formula: C9H18N3OP
Structure formula:
1. Physical and chemical properties:
1.1 Appearance: Colorless to yellow oil liquid.
1.2 Odor: Foul smell with rotten green grass.
1.3 Solubility: Freely dissolved in organic solvents, such as methylene dichloride, chloroform, ethyl ether, etc. Slightly soluble in water.
1.4 Boiling point:90-92℃,0.15-0.3mmHg.
1.5 Stability: Decomposing temperature is 170℃. It will be decomposed in any acid. The polymerization occurs when contacted with acidic material or impurities containing active hydrogen. The copolymerization and cross-linking can be also taken place when contacted with the compounds containing two or more than two active hydrogen.
2. Technical indexes:
Item | Grade A | Grade B | Grade C | |||
MIN | MAX | MIN | MAX | MIN | MAX | |
Moisture, %(m/m) | - | 0.75 | - | 0.40 | - | 1.00 |
Assay (by imine content), wt%, | 96 | - | 98 | - | 92 | - |
Total P content | 99 | - | 99 | - | 99 | - |
Total N content | 98 | - | 98 | - | 98 | - |
Total Cl content , wt% | - | 0.75 | - | 0.50 | - | 2.00 |
Hydrolyzsis chloride , wt% | - | 0.25 | - | 0.10 | - | 1.50 |
3. Application: MAPO has been used as cross-linking agent on the cladding layers of propellant to heighten the capabilities of elasticity and ballistic in the propellant. In AP/HTPB propellant, it is also used as a bonding agent. In industry, MAPO is also used as a crosslinking agent for polymer compounds, polymer materials and industrial resins. It is also used as a raw material for pharmaceuticals and agricultural chemicals, as a processing aid for textiles, paper, leather, etc., to enhance the mechanical properties and anti-aging performance of products. MAPO is also a male sterile insecticide, commonly used in the preparation of anti-fertility rodenticide products for rodent control.
4. Safety instructions: Toxic. Rubber gloves, respirator and eye protection must be used during operations in case of skin contact, eyes contact.
5. Packing: Two plastic casks in a wooden case. Net Weight: 10 kg/cask; 20 kg/case.
6. Storage: Stored in a cool, ventilated place. Casks should be sealed with nitrogen. Avoid heat and exposure.The shelf life is 12 months after manufacturer date. It is still available if retest result is qualified after expire date.
7. Transportation: Code of dangerous goods is 61120. Keep upright .Avoid violent collision and exposure
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