114502
Methyl Red sodium salt
ACS reagent, Dye content 95 %
Synonym(s):
4-Dimethylaminoazobenzene-2′-carboxylic acid sodium salt, Acid Red 2
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About This Item
Empirical Formula (Hill Notation):
C15H14N3NaO2
CAS Number:
Molecular Weight:
291.28
EC Number:
212-682-9
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Colour Index Number:
13020
Beilstein/REAXYS Number:
4065488
grade
ACS reagent
Quality Level
agency
suitable for SM 2310, suitable for SM 2320
form
powder
composition
Dye content, 95%
technique(s)
titration: suitable
visual transition interval
4.2-6.2, pink to yellow
solubility
water: 0.1%
λmax
437 nm
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
[Na+].CN(C)c1ccc(cc1)\N=N\c2ccccc2C([O-])=O
InChI
1S/C15H15N3O2.Na/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);/q;+1/p-1/b17-16+;
InChI key
GNTPCYMJCJNRQB-CMBBICFISA-M
Biochem/physiol Actions
Methyl Red is a pH indicator and it changes color at a pH of 5.5.
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Storage Class
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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