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                甲基红

                更新:2013-9-27 18:12:48

                  中文名:甲基红
                  英文名:Methyl Red
                  别名:2-[[4-(二甲基氨基)苯基]偶氮基]苯甲酸, 4-二甲氨基偶氮苯-2′-羧酸, 酸性红 2
                  CAS No.:493-52-7级别:certified
                  分子式:C15H15N3O2分子量:269.30
                订购信息
                  货号规格价格品牌
                  250198-5g5g85GBCBIO
                  250198-25g25g260GBCBIO
                  250198-100g100g540GBCBIO
                  250198-100g100g950Sigma
                产品介绍
                  Dye Content(%)...............................................................85
                  visual transition interval.................4.2 - 6.2, pink to yellow
                  UV absorption(λmax )...............................................4
                  原生动物活体染色;酸碱指示剂,pH变色范围4.4(红)~6.2(黄);滴定氨、弱有机碱和生物碱,但不适用于除草酸和苦味酸以外的有机酸;可与溴甲酚绿和亚甲基蓝组成混合指示●剂以缩短变色域和提高变色的敏锐性;沉淀滴定的吸附指示剂,如用硝酸钍滴定氟离子;检定游离氯、亚氯酸盐等氧化剂。
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