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Description Feedback
Bromocresol purple (BCP) or 5',5"-dibromo-o-cresolsulfophthalein, is a pH indicator. In its sultone form, it has a pKa value of 6.3, and is usually prepared as a 0.04% aqueous solution.
Bromocresol purple (pH indicator) below pH 5.2 above pH 6.8 5.2 ⇌ 6.8

Properties Feedback
Appearance & Physical State:purple crystalline powder
Melting Point:245ºC
Boiling Point:590.2ºC at 760mmHg
Flash Point:310.7ºC
Refractive Index:1.694
Water Solubility:practically insoluble
Stability:Stable. Incompatible with strong oxidizing agents.
Storage Condition:Store at RT.
Vapor Pressure:1.59E-14mmHg at 25°C

Safety Info Feedback
Safety Statements:S26-S37/39
HS Code:2907129000
WGK Germany:3
RIDADR:UN 1993 3/PG 3
Risk Statements:R36/37/38
Hazard Codes:Xi