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CAS号:493-52-7
英文名称:Methyl Red
英文同义词:ACID RED;S NO 250;Nsc 9597;493-52-7;Nsc 34729;METHYL RED;ciacidred2;C.I. 13020;ACID RED 2;Nsc 215212
中文名称:甲基红
中文同义词:烷红;甲红;甲基红;甲烷红;对甲基红;酸性红 2;甲基红 BS;甲基红 溶液;甲基红醇溶液;甲红、酸性红2
分子式:C15H15N3O2
分子量:269.3
熔点:179-182 °C (lit.)
沸点:412.44°C (rough estimate)
密度:0.839 g/mL at 25 °C
蒸气密度:9.3 (vs air)
折射率:1.5930 (estimate)
闪点:11 °C
储存条件:Store at +5°C to +30°C.
溶解度:ethanol: soluble1mg/mL
色指数:13020
形态:Solid
酸度系数(pKa):4.95(at 25℃)
颜色:Reddish-violet
气味 (Odor):Odorless
酸碱指示剂变色ph值范围:4.4(red)-6.3(yellow)
水溶解性:Practically insoluble in water. Soluble in alcohol, acetic acidSoluble in ethanol. Insoluble in water.
最大波长(λmax):410nm, 530nm, 427nm, 519nm
Merck:14,6119
BRN:750102
稳定性:Stable. Incompatible with strong oxidizing agents.
主要应用:Waveguides, LED sensors, photoresists, liquid crystals, sol-gel matrix, optical sensors, paints, toys, detection of thiols, food freshness sensors, dental product, saliva sampling method, detecting lactic acid, carbohydrates
InChIKey:CEQFOVLGLXCDCX-MSUUIHNZSA-N
CAS 数据库:493-52-7
(IARC)致癌物分类:3 (Vol. 8, Sup 7) 1987
NIST化学物质信息:Benzoic acid, 2-[[4-(dimethylamino)phenyl]azo]-(493-52-7)
EPA化学物质信息:Methyl red (493-52-7)