Mapo Tris-1-(2-methylaziridinyl) phosphine oxide (cas57-39-6)
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Tris-1-(2-methylaziridinyl)phosphine oxide
Executive standard：United state military standard DOD-T-82666A
English name：Tris-1-(2-methylaziridinyl)phosphine oxide
Chinese another name：三（2-甲基-1-氮丙啶）氧化膦
English another name：Tris(2-methylaziridinyl) phosphine oxide
English abbreviation： MAPO
CAS RN：57-39-6
Molecule weight：215.23
Molecule formula：C9H18N3OP
Structural formula：
1. Physical and chemical properties：
1.1 Appearance：Colorless to yellow oil-linking liquid
1.2 Odour: Foul smell with rotten green grass
1.3 Solubility： Dissolving easily in organic solvents such as methylene dichloride, chloroform, ethyl ether etc, dissolving slightly in water.
1.4 Boiling point：90-92℃,0.15-0.3mmHg
1.5 Stability：Its decomposition temperature is 170℃ .It will be decomposed when meeting with any acid, polymerized if contacting with any acidic material or forein substance containing reactive hydrogen, and copolymerization and cross-linking can be also taken place between it and the compound containing two or more than two reactive hydrogens or groups.
2. Technique Indexes：
| Properties | Grade A | Grade B | Grade C | ||||
| MIN | MAX | MIN | MAX | MIN | MAX | ||
| Moisture ,(m/m) | - | 0.75 | - | 0.40 | - | 1.00 | |
| Assay , wt% , by:
Imine Total Phosphorus Total Nitrogen |
96.0 99.0 98.0 |
- - - |
98.0 99.0 98.0 |
- - - |
92.0 99.0 98.0 |
- - - |
|
| Total chlorides , wt% | - | 0.75 | - | 0.50 | - | 2.00 | |
| Hydrolyzable chloride , wt% | - | 0.25 | - | 0.10 | - | 1.50 | |
3. Uses：The MAPO is mainly used as Polymer cross-linking agent , fungicides and the cross linking reagent and curing reagent on the resin cladding layers of powder of missile to heighten capabilities of its elasticity and ballistic trajectory. It can be used as linking agent in AP/HTPB solid propellants with excellent effect.
4. Safety notes：MAPO is considered toxic by absorption through the skin. Should handle with care, wear synthetic rubber protecting gloves, and avoid any contact with skin, eyes and clothing.
5. Package：Wooden case, in which have been put plastic kegs. Two kegs a case, net weight 10 kg a keg, net weight 20 kg a case.
6. Storage：It should be stored airtightly in the kegs filled up with nitroge, and keeped in a shady and ventilating place.
7. Shelf life：Its retention period 6 months. It can be still used if up to standard through retest after the specified.
8. Transportation：Its dangerous goods number is 61120. Mustn't place upside down, should avoid sunning and raindrenched.