BROMOCRESOL PURPLE SODIUM SALT INDICATOR

5',5-Dibromo-o-cresolsulfonphthalein sodium salt

Article No.

2282A

Grade

Purity

90%

CAS No.

62625-30-3

Molecular Formula

C₂₁H₁₅Br₂NaO₅S

Molecular Weight

562.20

H.S. Code

2914.7990

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Specifications

Appearance	Black-Brown to Orange-Rust Powder
Absorption maxima (0.01 g/L in 0.1 N NaOH)	587 - 591 nm
Extinction coefficient	Min 47000
Absorption maxima	375 - 381 nm
Extinction coefficient	Min 7000
Dye content (titration by AgNO3)	Min 90%
Visual interval (pH 5.2 - 6.8)	Yellow- Purple