Orange crystalline powder
ChEBI: An aminobenzoic acid that is anthranilic acid with a nitro substituent at position 4.
Orange prisms or orange powder. Sweet taste.
4-Nitroanthranilic acid is incompatible with acids, acid chlorides, acid anhydrides, chloroformates and strong oxidizing agents.
Flash point data for 4-Nitroanthranilic acid are not available; however, 4-Nitroanthranilic acid is probably combustible.
Crystallise the acid from water, EtOH (m 271o) or aqueous EtOH (m 269o). The acetyl derivative has m 217o (from EtOH), m 222o (from aqueous EtOH). [Chapman & Stephen J Chem Soc 1796 1925, Beilstein 14 II 234, 14 III 975, 14 IV 1087.]