Tris - 1 - (2-methylaziridinyl)phosphine oxide

Tris-1-(2-methylaziridinyl)phosphine oxide
 Executive standard: United state military standard DOD-T-82666A
 English another name: Tris(2-methylaziridinyl)phosphine oxide   
 English abbreviation: MAPO
 CAS  RN: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, wt%, by:Imine content
Total P content
Total N content 96.0
99.0
98.0 -
-
- 98.0
99.0
98.0 -
-
- 92.0
99.0
98.0 -
-
-
Total Cl content , wt% - 0.75 - 0.50 - 2.00
Hydrolyzsis chloride , wt% - 0.25 - 0.10 - 1.50
 3. Uses: MAPO has been used as cross-linking agent and curing agent on the cladding layers of missile resin to heighten the capabilities of elasticity and ballistic in propellant. It works well for the application of AP-based oxidizer in HTPB propellant.
 4. Safety instructions: Toxic. Operation must be installed with rubber gloves, a respirator and eye protection by wearing protective clothing to avoid contacting with skin, eyes and clothing.
 5. Package: Wooden box with two plastic casks of 10 kg net, 20 kg net each.
 6. Storage: Nitrogen sealed. Store at cool and ventilate. Forbid to heat and exposure. Shelf life of 12 months, if expire, still used if up to standard through retest.
 7. Transportation: Its dangerous goods code is 61120. Avoid inversion, sunlight and crash.