Tetrahydroxy-1,4-benzoquinone, also called tetrahydroxy-p-benzoquinone, tetrahydroxybenzoquinone, or tetrahydroxyquinone (THBQ, THQ), is an organic compound with formula C6O2(OH)4. Its molecular structure consists of a cyclohexadiene ring with four hydroxyl groups and two ketone groups in opposite (para) positions.

CAS：319-89-1
中文别名：2,3,5,6-四羟基-2,5-环已二烯-1,4-二酮;四氧醌;四羟基-1,4-苯二酮;四氢-P-苯醌;
英文别名：TETROQUINONE;Terasin;2,3,5,6-tetrahydroxybenzoquinone;TETRAHYDROXY-1,4-QUINONE;TETRAHYDROXY BENZOQUINONE;2,3,5,6-tetrahydroxy-1,4-benzoquinone;Kelox;2,3,5,6-tetrahydroxo-1,4-benzoquinone;Tetroquinone monohydrate;Tetrahydroxy-p-quinone;HPEK-1;2,5-Cyclohexadiene-1,4-dione, 2,3,5,6-tetrahydroxy-;tetrahydroxy-p-benzoquinone;2,3,5,6-TETRAHYDROXY-1,4-BENZOQUINONE;tetrahydroxy-1,4-benzoquinone;
分子式：C6H4O6
分子量：172.092
精确质量：172.001
Psa：115.06
Logp：-0.2066

MDL号：MFCD00001597

外观与性状：固体。
密度：0.79
沸点：148 °C / 15mmHg
熔点：300ºC
闪点：192.1ºC
折射率：2.023
稳定性：Stable. Incompatible with strong oxidizing agents, strong bases.
储存条件：Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

安全说明：S26-S36
危险类别码：R36/37/38
WGK Germany：3
海关编码：2914690090
危险品标志：Xi