METHYL ORANGE (pH indicator)

SYNONYMS: C.I. 13025, Acid Orange 52, Methyl orange sodium salt, Sodium 4-(4 dimethylaminophenylazo)benzenesulphonatepH range 3.1-4.4


Product Code PM02540
Grade LR
Purity >Dye content (tianometry,dried) 85.0%
CAS No. 547-58-0
Molecuar Formula C14H14N3NaO3S
Molecular weight 327.04
H.S. Code 29270000





Acid -base indicator.

Safety Information and Hazard Symbols

  • hazar2
Signal Word DANGER
UN No 3143
IMDG Code 6.1/III
Safety Code S45
Risk Code R25
IATA 6.1
Hazardous Statement H301
Precaution Statement P301+P310

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