Bromopyrogallol red is frequently used in analytical chemistry as a reagent for spectrophometric analysis and as an complexometric indicator.

CAS：16574-43-9
中文别名：二溴邻苯三酚磺酞;溴焦酚红;溴焦性没食子酸红;
英文别名：2\',7\'-dibromo-1,1-dioxospiro[2,1λ⁶-benzoxathiole-3,9\'-xanthene]-3\',4\',5\',6\'-tetrol;BroMopyrogallol Red;5\',5\'\'-Dibromopyrogallolsulfonephthalein;2\',7\'-Dibromo-3\',4\',5\',6\'-tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9\'-xanthene] 1,1-dioxide;
分子式：C19H10Br2O8S
分子量：558.151
精确质量：555.846
Psa：141.9
Logp：5.2313

EINECS号：240-632-6
PubChem号：24847472
MDL号：MFCD00148865

外观与性状：黑色结晶粉末
密度：2.39 g/cm3
沸点：681.2ºC at 760 mmHg
熔点：300 °C
闪点：365.8ºC
水溶解性：slightly soluble
稳定性：Stable under normal temperatures and pressures.
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：S24/25-S22
危险类别码：R20/21/22
危险品标志：Xn

生产方法
由邻苯三酚红经溴化而得。将邻苯三酚红悬浮于冰醋酸中,加热至沸,搅拌下滴加溴的乙酸溶液。反应结束后冷至室温,过滤,用冰醋酸洗去游离溴,干燥,用冰醋酸与丙酮的混合液重结晶,即得成品。 络合指示剂，测定铋、镉、钻、镁、及稀土元素。
用途
络合指示剂，测定铋、镉、钻、镁、及稀土元素。