中文同义词:
甲基红钠盐;2-[4-(二甲基氨基)苯基偶氮]苯甲酸钠盐;甲基红钠盐, 指示剂 (PH 4.2 - 6.4), ACS级试剂;甲基红钠盐, ACS级指示剂;甲基红钠盐(ACS REAGENT,95 %);甲基红钠盐(IND);甲基红 钠盐 溶液;甲基红钠盐, 0.02% W/V 水溶液
英文名称:
Methyl Red sodium salt
英文同义词:
S NO 250;MR;P-DIMETHYLAMINOAZOBENZENE-O-CARBOXYLIC ACID;O-(P-DIMETHYLAMINOPHENYLAZO)BENZOIC ACID;O-[[P-(DIMETHYLAMINO)PHENYL]AZO]BENZOIC ACID, SODIUM SALT;Methyl Red, sodium salt, 0.2% w/v Aqueous Solution;Methyl Red, Sodium Salt, Reagent;2-[4-(Dimethylamino)phenylazo]benzoic acid sodium salt, 4-Dimethylaminoazobenzene-2μ-carboxylic acid sodium salt
相关类别:
滴定指示剂;分析试剂;色素类;化学试剂;生化试剂-色素类;生化试剂;合成材料中间体;滴定;化学试剂;Organics;Analytical Chemistry;Indicator (pH);pH Indicators;Azo
储存条件
Store at +5°C to +30°C.
酸度系数(pKa)
2.3, 5.0(at 25℃)
颜色
White to yellow or beige, darkening on exposure to light
酸碱指示剂变色ph值范围
Red (1.2) to orange (3.4);Red (4.2) to yellow (6.3)
水溶解性
Soluble in water. Slightly soluble in ethanol.
最大波长(λmax)
437nm, 410nm, 493nm
稳定性
Stability Reported to be unstable, but this is probably a mistake on a commercial MSDS sheet. Incompatible with strong oxidizing agents.
主要应用
optical fibers, liquid crystal cells, holography, inks, toner, corrosion inhibitor, detergent
CAS 数据库
845-10-3(CAS DataBase Reference)
EPA化学物质信息
Benzoic acid, 2-[[4-(dimethylamino)phenyl]azo]-, sodium salt (845-10-3)
用途
酸碱指示剂,pH变色范围4.4(红)~6.2(黄)。氧化还原指示剂。用于硫酸铈滴定亚铁离子。
安全说明
36/37-24/25-45-36/37/39-26-16