Date published: 2026-4-5

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Methyl orange (CAS 547-58-0)

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Alternate Names:
Acid Orange 52
Application:
Methyl orange is a pH indicator dye for titrations
CAS Number:
547-58-0
Molecular Weight:
327.33
Molecular Formula:
C14H14N3NaO3S
Supplemental Information:
This is as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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A pH indicator frequently used in titrations. Color Index #: 13025 Dye Content: 85%


Methyl orange (CAS 547-58-0) References

  1. Analysis and testing of biological stains--the Biological Stain Commission Procedures.  |  Penney, DP., et al. 2002. Biotech Histochem. 77: 237-75. PMID: 12564600
  2. Magnetic Ni@C nanoadsorbents for methyl orange removal from water.  |  Pradhan, S., et al. 2023. Environ Sci Pollut Res Int. 30: 118634-118646. PMID: 37917257
  3. Nonlinear Optical Refraction and Absorption Features of Methyl Orange Dye in Polar Solvents.  |  Arunsankar, NS., et al. 2024. J Fluoresc.. PMID: 38460094
  4. Bimetallic Organic Gel for Effective Methyl Orange Dye Adsorption.  |  Jin, H., et al. 2024. Gels. 10: PMID: 38534626
  5. Metal nanoparticles decorated mint-cellulose acetate composite as an efficient catalyst for the reduction of methyl orange.  |  Homdi, TA., et al. 2024. Int J Biol Macromol. 268: 131558. PMID: 38614166
  6. Efficient Catalytic Degradation of Methyl Orange by Various ZnO-Doped Lignin-Based Carbons.  |  Tang, Z., et al. 2024. Molecules. 29: PMID: 38675638
  7. Optimization of methyl orange decolorization by bismuth(0)-doped hydroxyapatite/reduced graphene oxide composite using RSM-CCD.  |  Ecer, U., et al. 2024. Environ Sci Pollut Res Int. 31: 33371-33384. PMID: 38676869
  8. Nanoporous Au Behavior in Methyl Orange Solutions.  |  Pinna, A., et al. 2024. Molecules. 29: PMID: 38731441
  9. Energetic utilization of corn stalk and elimination of methyl orange in ECMO-like integrated reactor: Co-occurrence of anaerobic digestion and aerobic treatment.  |  Fu, S., et al. 2024. J Environ Manage. 360: 121139. PMID: 38744212
  10. Bacteriogenic synthesis of morphologically diverse silver nanoparticles and their assessment for methyl orange dye removal and antimicrobial activity.  |  Patel, B., et al. 2024. PeerJ. 12: e17328. PMID: 38770094
  11. Ag-Incorporated Cr-Doped BaTiO3 Aerogel toward Enhanced Photocatalytic Degradation of Methyl Orange.  |  Wu, J., et al. 2024. Nanomaterials (Basel). 14: PMID: 38786804
  12. Facile synthesis of TiO2@ZnO nanoparticles for enhanced removal of methyl orange and indigo carmine dyes: Adsorption, kinetics.  |  Ben Aissa, MA., et al. 2024. Heliyon. 10: e31351. PMID: 38831816
  13. Preparation and characterization of cellulose-chitosan/β-FeOOH composite hydrogels for adsorption and photocatalytic degradation of methyl orange.  |  Yang, X., et al. 2024. Int J Biol Macromol. 274: 133201. PMID: 38889833

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Methyl orange, 25 g

sc-206030
25 g
$29.00

Methyl orange, 100 g

sc-206030A
100 g
$52.00

Methyl orange, 250 g

sc-206030B
250 g
$114.00