861235
甲基红 盐酸盐
ACS reagent
别名:
4-二甲氨基偶氮苯-2′-羧酸 盐酸盐, 酸性红 2
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关于此项目
线性分子式:
(CH3)2NC6H4N=NC6H4CO2H·HCl
化学文摘社编号:
分子量:
305.76
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
264-190-9
Colour Index Number:
13020
MDL number:
InChI
1S/C15H15N3O2.ClH/c1-18(2)12-9-7-11(8-10-12)16-17-14-6-4-3-5-13(14)15(19)20;/h3-10H,1-2H3,(H,19,20);1H/b17-16+;
InChI key
ICTWKXAVJAHRMK-CMBBICFISA-N
SMILES string
Cl.CN(C)c1ccc(cc1)\N=N\c2ccccc2C(O)=O
grade
ACS reagent
form
powder or crystals
visual transition interval
4.2-6.2, pink to yellow
mp
175 °C (dec.) (lit.)
solubility
ethanol: 0.1%
λmax
493 nm
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
Quality Level
General description
Methyl red (C.I. 13020) is also known as acid red 2. The hydrochloride form is slightly soluble in water and ethanol.
Application
Methyl red is widely used in food science and applied & pure biology. It is added in media while preparing agar plates for microbiology. It is used as a vital stain for protozoa. Methyl red is also utilized as a tracer for assessing penetration of foods into packaging and as a component of an indicator to examine pork quality. It has been used to study the ability of earthworms to modify their environmental pH.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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