CAS：3737-95-9
中文别名：3-羟基-4-[(2-羟基-4-磺基-1;1-(2-羟基-4-磺基-1-萘偶氮)-2-羟基-3-萘甲酸;钙指示剂;1-(2-羟基-4-磺基-1-萘基偶氮)-2-羟基-3-萘甲酸;钙试剂羧酸钠;2-羟基-1-(2-羟基-4-磺基-1-萘基偶氮)-3-萘甲酸;钙红;3-羟基-4-[(2-羟基-4-磺基-1-萘基)偶氮]-2-萘羧酸;3-羟基-4-(2-羟基-4-磺基-1-萘基偶氮)萘-2-羧酸;
英文别名：Calcon-carboxylic Acid;3-hydroxy-4(2-hydroxy-4-sulfo-1-naphthyl-azo)-2-naphthalenecarboxylic acid;3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthyl)azo]naphthalene-2-carboxylic acid;3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid,indicator grade;2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic Acid;CAL-RED(R);Patton and Reeder Dye;CalconCarboxylicAcidGr;HHSNN;3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid;Patton and Reeder’s;HHSNNA;CAL RED;2,2\'-dihydroxy-4\'-sulfo-1,1\'-azonaphthalene-3-carboxylic acid;Calconcarboxylic aci;Kalces;
分子式：C21H14N2O7S
分子量：438.41
精确质量：438.052
Psa：165.23
Logp：5.8453

MDL号：MFCD00004078

外观与性状：暗紫罗兰色粉末
密度：1.6 g/cm3
熔点：300°C(lit.)
水溶解性：slightly soluble
稳定性：Stable. Incompatible with strong oxidizing agents.

安全说明：S26-S36-S37/39
WGK Germany：3
危险类别码：R36/37/38
海关编码：2842909090
危险品标志：Xi

用途
用作测定钙的络合指示剂