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Methyl Orange 25g 32607-25g
Methyl Orange is an azo dye which works as a pH indicator
pH 3.2 (red)
to pH 4.4 (orange)
DG 6.1;UN No 3143
CAS 547-58-0
UN 3143PSN1 6.1 / PGIII
Toxic if swallowed. Irritating to eyes and skin.
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