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ChEBI: An aromatic ether comprised of phenetole substituted at C-2 and C-4 by nitro groups.

Crystallise it from aqueous EtOH. The 1:1 naphthalene complex has m 41o and is obtained by fusing the compound with naphthalene in various ratios, then crystallizing the solidified mix with a little EtOH (Dermer & Smith J Am Chem Soc 61 748 1939). [Beilstein 6 H 254, 6 III 858, 6 IV 1373.]