Bromocresol purple (pH indicator, ACS, Reag. Ph Eur), özellikle analitik kimya, mikrobiyoloji ve ilaç sanayisindeki laboratuvar uygulamalarında kullanılan, yüksek saflık derecesine sahip bir pH indikatörüdür.

Empirical Formula (Hill Notation): C₂₁H₁₆Br₂O₅S
CAS Number: 115-40-2
Molecular Weight: 540.22
UNSPSC Code: 12171502
EC Index Number: 204-087-8
NACRES: NA.21
MDL number: MFCD00011681
eCl@ss: 32160703
Product Name: Bromocresol purple, indicator ACS,Reag. Ph Eur
Grade: ACS reagent
Quality Segment: 200
Agency: reag. Ph. Eur.
Form: solid
Loss: ≤1% loss on drying, 110°C
Visual transition interval: 5.2-6.8, greenish yellow to blue-violet
mp: 242 °C
Bulk density: 515 kg/m³
Storage temp.: 2-30°C