CAS Registry Number

CAS 547-58-0 — Methyl Orange

Methyl Orange is a synthetic azo dye primarily used as a pH indicator in laboratories and industrial processes, changing color from red to yellow-orange around pH 3.1–4.4. It is also employed in titrations and as a dye for textiles, paper, and cosmetics. This chemical has a CAS number of 547-58-0, a molecular formula of C14H14N3NaO3S, and a molecular weight of 327.33 g/mol. It should be stored at ambient conditions and handled with caution, as it carries a "Danger" signal word. Molekula supplies Methyl Orange from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Methyl Orange 3.0 (red) - 4.4 (yellow)