Methyl Red sodium salt CAS NO.845-10-3

Methyl Red sodium salt Basic information

Product Name:    Methyl Red sodium salt
Synonyms:    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
CAS:    845-10-3
MF:    C15H16N3NaO2
MW:    293.3
EINECS:    212-682-9
Product Categories:    
Mol File:    845-10-3.mol
 

Methyl Red sodium salt Chemical Properties
Melting point     178-182 °C
Boiling point     64.7 °C
density     0.791
Fp     12 °C
storage temp.     Store at RT.
solubility     H2O: soluble
form     Solid
pka    2.3, 5.0(at 25℃)
Colour Index     13020
color     White to yellow or beige, darkening on exposure to light
Odor    Odorless
PH    8.2 (10g/l, H2O, 25℃)
PH Range    Red (1.2) to orange (3.4);Red (4.2) to yellow (6.3)
Water Solubility     Soluble in water. Slightly soluble in ethanol.
λmax    437nm, 410nm, 493nm
BRN     4065488
Stability:    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
CAS DataBase Reference    845-10-3(CAS DataBase Reference)
EPA Substance Registry System    Benzoic acid, 2-[[4-(dimethylamino)phenyl]azo]-, sodium salt (845-10-3)

Safety Information
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