Bromocresol purple

• CAS: 115-40-2
• Catalog Number: ACM115402
• Category: Other Products
• Molecular Weight: 540.22
• Molecular Formula: C21H16Br2O5S
• Description: 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
• Synonyms: Bromcresol purple sultone form;6-benzoxathiol-3-yl]-6-methylphenol.html” >2-bromo-4-[3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxo-2,1λ⁶-benzoxathiol-3-yl]-6-methylphenol;Phenol, 4,4‘-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl-, S,S-dioxide;Bromocresol Purple;5,5′-Dibromo-o-cresolsulfonphthalein
• Melting Point: 245ºC
• Flash Point: 310.7ºC
• Density: 1
• Appearance: Purple crystalline powder
• EC Number: 204-087-8
• Hazard Codes: Xi
• HS Code: 2907129000
• LogP: 6.33120
• MDL Number: MFCD00011681
• PSA: 92.21
• Refractive Index: 1.694
• RIDADR: UN 1993 3/PG 3
• Stability: Stable. Incompatible with strong oxidizing agents.
• Storage Conditions: Store at RT.
• Vapor Pressure: 1.59E-14mmHg at 25°C
• WGK Germany: 3