Methyl Orange ACS (Acid Orange 52, C.I. 13025)

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£238.00

SKU:: 239774
Molecular Weight:: 327.3
Storage Conditions:: RT
Supplier:: United States Biological
CAS Number:: 547-58-0
Extra Details:: Used as pH indicator. Methyl orange (C.I. 13025) is the sodium salt of p-dimethylaminoazobenzenesulfonic acid.It is an orange-colored synthetic dye, which changes color depending on the pH of the solution. It develops a red color in acidic solution and yellow color in basic solution. Synonyms: Orange III; 4-Dimethylaminoazobenzene-4'-sulfonic Acid Sodium Salt; Acid Orange 52; Albion Methyl Orange; C.I. 13025; C.I. Acid Orange 52; Diazoben; Eniamethyl Orange; Gold Orange; Helianthine; Helianthine B; KCA Methyl Orange; Methyl Orange B; Methyl Orange-p-phenylenediamine Copolymer; Orange 3; Sodium 4-(Dimethylamino)azobenzene-4'-sulfonate; Sodium 4-[(4-Dimethylamino)phenyldiazenyl]benzenesulfonate; Sodium 4-[4-(Dimethylamino)phenylazo]benzenesulfonate; Sodium 4'-(Dimethylamino)azobenzene-4-sulfonate; Sodium p-[[p-(Dimethylamino)phenyl]azo]benzenesulfonate; Sodium p-Dimethylaminoazobenzenesulfonate; Tropaeolin D CAS No: 547-58-0 Molecular Formula: C14H15N3NaO3S Molecular Weight: 327.3 Dye Content: ~85% Appearance: Orange-yellow powder Melting Point: >300°C (lit) Visual Transition Interval: 3.2 (pink or red), 4.4 (yellow) Solubility: Soluble in 500 parts water; more soluble in hot water. Storage and Stability: Store at RT. Stable for 12 months after receipt. Warning: Toxic!