Methyl orange

Identification                     

C14H14N3NaO3S

M = 327,34 g/mol

CAS [547-58-0]

EC number: 208-925-3

Taric code: 2927 00 00

Synonyms                    

Helianthine, 4-Dimethylaminoazobenzene-4’-sulfonic acid sodium salt, Gold orange

Applications                     

indicator, analytical chemistry, laboratory reagent (alkali salts), manufacture of dyes (in the textile industry).

Packaging

• 25 g
• 100 g

Physical data                        

• Appearance: powder, orange to red
• Bulk density: ~ 200 – 400 kg/m³
• Solub. in water:  (20 ºC): ~ 5 g/l
• pH(5 g/l H2O, 20 ºC) ~ 6,5