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Methyl Yellow Acid-Base Indicator solution – 50 ml

IUPAC: p-Dimethylaminoazobenzene (C14H15N3)

Synonyms: 4-Dimethylaminoazobenzene, N,N-Dimethyl-4-phenylazoaniline, N,N-Dimethyl-4-aminoazobenzene, Butter Yellow, Solvent Yellow 2, C.I. 11020

Amount: 50 ml

Appearance and odour: wine red solution in alcohol.

Grade: reagent

Packaging: professional white HDPE 50 ml dropper bottle with screw-on conical protective cap. Labelled. For first use, cut a few mm off the top end of the dropper to render it operational. Replace protective cap for safe keeping.

Description and uses: Acid-base indicator that changes colour from below pH 2.9 red to above pH 4.0 yellow and vice versa. Typical use is the titration of a weak base (e.g. ammonia solution) with a strong acid. Add 1 – 3 drops to solution to be titrated.

Dispatch: depending on time of receipt of your order, your item will be dispatched either same day or next day at the latest.

Feedback & Complaints: not happy about something? Let us know and we’ll bend over backwards to overcome the problem.

Returns: returns are accepted on condition the item is returned to us, return cost paid by the buyer. For broken or demonstrably faulty items either replacement or refund will be issued.

CAS: 60-11-7 (pure methyl yellow)

Price: £4.99