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Untitled - Sciencemadness Dot Org

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HMX<br />

3.2 Molecular Weight. 296.17<br />

3.3 Solubility.<br />

Grams Dissolved/100 g of Solvent<br />

Solvent 20°C 40°C 60” C<br />

Acetic acid<br />

Glacial<br />

70%<br />

Acetic anhydride<br />

Acetone<br />

Anhydrous<br />

70%<br />

Acetonitrile<br />

Cyclohexanone<br />

Dimethylformamide<br />

Dimethylsulfoxide<br />

4. PHYSICAL PROPERTIES<br />

0.037 0.044 0.090<br />

-__ 0.033 0.103<br />

-_- 1.29 1.94<br />

2.4 3.4 ___<br />

0.66 1.20 --_<br />

__- 3.07 4.34<br />

__- 5.91 7.17<br />

__- 6.1 11.1<br />

_-- 45.5 47.2<br />

4.1 Crystal Structure.4-6 The cell parameters of the four polymorphic forms of<br />

HMX are given.<br />

44<br />

Cell<br />

Parameters<br />

Unit cell edge length (A)<br />

Angle p<br />

;<br />

C<br />

Molecules per unit cell<br />

a<br />

23.89 15.14<br />

5.91<br />

---<br />

8<br />

P Y 6<br />

11.05 6.54 10.95<br />

7.93<br />

7.66 ___<br />

7.37 14.61 32.49<br />

102.8” 119.4” ___<br />

2 4 6

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