Home Categories Biochemical Engineering Methyl Red sodium salt
A5359312

Methyl Red sodium salt , IND , 845-10-3

Synonym(s):
2-[(4-Dimethylamino)phenylazo]benzoic acid sodium salt, 4-(Dimethylamino)azobenzene-1,2′-carboxylic acidsodium salt;4-Dimethylaminoazobenzene-2′-carboxylic acid sodium salt;Acid Red 2;Methyl red sodium salt (C.I. 13020)

CAS NO.:845-10-3

Empirical Formula: C15H16N3NaO2

Molecular Weight: 293.3

MDL number: MFCD00002425

EINECS: 212-682-9

Pack Size Price Stock Quantity
5g RMB25.60 In Stock
25G RMB76.80 In Stock
100G RMB188.00 In Stock
500G RMB767.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 178-182 °C
Boiling point: 64.7 °C
Density  0.791
Flash point: 12 °C
storage temp.  Store at +5°C to +30°C.
solubility  H2O: soluble
Colour Index  13020
pka 2.3, 5.0(at 25℃)
form  Solid
color  White to yellow or beige, darkening on exposure to light
PH 8.2 (10g/l, H2O, 25℃)
PH Range Red (1.2) to orange (3.4);Red (4.2) to yellow (6.3)
Odor Odorless
Water Solubility  Soluble in water. Slightly soluble in ethanol.
λmax 437nm, 410nm, 493nm
BRN  4065488
Stability: Reported to be unstable, but this is probably a mistake on a commercial MSDS sheet. Incompatible with strong oxidizing agents.
Major Application optical fibers, liquid crystal cells, holography, inks, toner, corrosion inhibitor, detergent

Description and Uses

Methyl Red sodium salt is used as a pH indicator. In microbiology, it is used to make agar plates in bacteriology. Further, it is used as a coloring agent and also finds use in mouthwash, toothpaste and in cosmetics. It is also employed as a rocket propellant. In addition to this, it is used in the preparation of reversible stain for rapid detection of stained cells in each specimen.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H319-H302-H332-H335-H315-H312
Precautionary statements  P264-P270-P301+P312-P330-P501-P261-P271-P304+P340-P312-P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362-P280-P302+P352-P312-P322-P363-P501
Hazard Codes  Xn,C,F
Risk Statements  40-34-11
Safety Statements  36/37-24/25-45-36/37/39-26-16
RIDADR  UN 1170 3/PG 2
WGK Germany  3
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29270000

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