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Methyl Orange C.I.13025 Group Picture

Methyl Orange C.I.13025

£10.97 to £145.87

Code: Please choose option from drop down above
  Pack Size List Price Qty  
photo_camera 50g
RRBD15464-2W
£17.56
photo_camera 25g
RRBD15464-W
£10.97
photo_camera 100g
RRBD15464-X
£23.15
photo_camera 500g
RRBD15464-5X
£81.04
photo_camera 1Kg
RRBD15464-Y
£145.87

C.I. 13025  (Acid orange 52)

Methyl orange is a pH indicator frequently used in titrations because of its clear and distinct colour change. Because it changes colour at the pH of a midstrength acid, it is usually used in titrations for acids. Unlike a universal indicator, methyl orange does not have a full spectrum of colour change, but has a sharper end point.

  • Indicator
  • Biological Dye

C.I. 13025

Minimum Assay: 95%
Molecular Formula: C14H14N3NaO3S
Molecular Weight: 327.34 g/mol
Melting Point: >300 °C
Absorptivity (pH 3.0) 501-504nm: 1050-1150
Absorptivity (pH 4.4) 467-471nm: 750-850
Loss on Drying: <5%

Cas Number: 547-58-0

Einecs Number: 208-925-3

HS Code / Commodity Code: 38220090

UN Number: 3143

Hazard Class: 6.1

Packing Group: 3

Hazard Phrases: H301

Prec Phrases: P301+P310,P330,P331

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