Methyl orange

SKU:
MB341
CAS Number : 547-58-0
Molecular Formula : C₁₄H₁₄N₃NaO₃S
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Methyl orange is a common pH Indicator used in laboratory assays to identify the transition between acidic and neutral states. This Azo Dye provides a clear color change for any standard Acid Base Molecular Titration and chemical analysis.
CAS Number : 547-58-0
Molecular Formula : C₁₄H₁₄N₃NaO₃S


CAS No. 547-58-0
EC No. 208-925-3
C.I. No. 13025
Molecular Formula C14H14N3NaO3S
Molecular Weight 327.33
HS Code 2927 00 90
Storage Below 30°C
Shelf life 4 years

Technical Specification

Appearance Orange-yellow to orange crystals or powder or solid
Solubility 10 ppm in 1N hydrochloric acid yields clear solution
DNases None detected
RNases None detected
Clarity of solution Passes test
Visual pH Transition pH 3.0 (pink or red ) - pH 4.4 (yellow orange)
Loss on drying (at 110°C, 1 hr) <= 5.0%
Absorption maxima 502 - 512 nm (10 ppm in 1N HCl)

Safety Information

Hazard Pictogram(s) Hazard Pictogram Skull
Signal Word Danger
Hazard Statement(s) H301
Precautionary Statement(s) P264- P270- P301+310- P405- P501
UN No. 3143
Class 6.1
Packing Group III
WGK 1
CAS Number : 547-58-0
Molecular Formula : C₁₄H₁₄N₃NaO₃S
More Information
Product Name Methyl orange
SKU MB341
CAS No 547-58-0
EC No. 208-925-3
Molecular formula C₁₄H₁₄N₃NaO₃S
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