Methyl Orange


CAS No. : 547-58-0

547-58-0
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Cat. No. : HY-118907
M.Wt: 327.34
Formula: C14H14N3NaO3S
Purity: >98 %
Solubility: DMSO : 20 mg/mL (ultrasonic;warming;heat to 60°C)
Introduction of 547-58-0 :

Methyl Orange is a soluble azo dye commonly used as an acid-base indicator and for staining cells and tissue sections, as well as for dyeing textiles. Methyl Orange appears red at a pH of 3.1 and changes to bright yellow as the pH increases to 4.4. Methyl Orange (500 mg/L) exhibits cytotoxicity and can cause DNA damage[1][2]. In Vitro:1. Acid-Base Indicator[2]
Methyl Orange exhibits a distinct color change at different pH values:
pH < 3.1: Red
pH 3.1 - 4.4: Orange
pH > 4.4: Bright Yellow

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