This entry covers mixtures of propadiene with 1 to 4 % methylacetylene as well as the following mixtures:

+-------+-----------------------------------------------+---------------------+
| Mix-  |             Content, % by volume              | Permitted technical |
| ture  +-----------------+-------------+---------------+ name for purposes   |
|       | Methylacetylene | Propane and | C4-saturated  | of 5.4.1.1          |
|       | and propadiene, | propylene,  | hydrocarbons, |                     |
|       | not more than   | not more    | not less than |                     |
|       |                 | than        |               |                     |
+-------+-----------------+-------------+---------------+---------------------+
|  P1   |       63        |      24     |      14       |    "Mixture P1"     |
+-------+-----------------+-------------+---------------+---------------------+
|  P2   |       48        |      50     |       5       |    "Mixture P2"     |
+-------+-----------------+-------------+---------------+---------------------+