基本信息
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二甲酚橙四钠盐
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3618-43-7
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3,3'-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein tetrasodium salt; Tetrasodium N,N'-[3H-2,1-benzoxathiol-3-ylidenebis[(6-hydroxy-5-methylphen-3,1-ylene)methylene]]bis[N-(carboxylatomethyl)aminoacetate] S,S-dioxide
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C31H32N2O13S.4Na
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760.58
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Glycine,N,N'-[(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[(6-hydroxy-5-methyl-3,1-phenylene)methylene]]bis[N-(carboxymethyl)-,sodium salt (1:4)
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222-805-8
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Aceticacid,[3H-2,1-benzoxathiol-3-ylidenebis[(6-hydroxy-5-methyl-m-phenylene)methylenenitrilo]]tetra-,S,S-dioxide, tetrasodium salt (8CI); Glycine,N,N'-[(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[(6-hydroxy-5-methyl-3,1-phenylene)methylene]]bis[N-(carboxymethyl)-,tetrasodium salt (9CI); Glycine,N,N'-[3H-2,1-benzoxathiol-3-ylidenebis[(6-hydroxy-5-methyl-3,1-phenylene)methylene]]bis[N-(carboxymethyl)-,S,S-dioxide, tetrasodium salt; 3H-2,1-Benzoxathiole, glycine deriv.;OmniPur-EDM; Xylene orange tetrasodium salt; Xylenol orange tetrasodium salt;o-Cresolphthalexon-S tetrasodium salt
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500.6oC
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195°C (dec.)(lit.)
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904.1oC at 760 mmHg
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详细信息
中文名称:二甲酚橙四钠盐;N,N-[3H-2,1-苯并恶硫羟-3-亚基双[(6-羟基-5-甲基-3,1-亚苯基)亚甲基]]双[N-(羧基甲基)甘氨酸]-S,S-二氧化物四钠盐
英文名称:Xylenol orange tetrasodium salt;Tetrasodium N,N''-[3H-2,1-benzoxathiol-3-ylidenebis[(6-hydroxy-5-methylphen-3,1-ylene)methylene]]bis[N-(carboxylatomethyl)aminoacetate] S,S-dioxide;3,3''-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein tetraso
分子式:C31H28N2Na4O13S
分子量:760.58
CAS编号:3618-43-7
性 状:红棕色结晶性粉末。易 吸湿。易溶于水,不溶于无水乙醇。水溶液为红色,酸性溶液中为柠檬黄色,金属络合物为鲜红色,碱性溶液中为红紫色。熔点210℃ (分解)。大吸收波长 580nm。
储 存:密封干燥避光保存。
用 途:络合指示剂,滴定锌、铋、镉、钴、铜、铁、 汞、铟、镧系元素、镍、铅、钪、钍、锆、铀(VI)、钒等。光度测定锌、铝、铍、铋、镧、铌、镍、钯、钍、钇、锆等。酸碱指示剂。