Deliver to
United Kingdom
Order number: 14572165
Part number: AC100072493
Bromophenol Blue [115-39-9] is used across pharmaceutical, biochemical, and research settings as a pH indicator. Its molecular formula is C19H10Br4O5S, with a molecular weight of 670.0. It decomposes at 279 °C, exhibiting an orange discoloration accompanied by the formation of a green sublimate starting at 210 °C. Handle this compound with care due to its potential reactivity. It finds applications in various fields such as acid-base titrations, enzyme assays, and protein purification.
| Name | Value | |
|---|---|---|
| CAS | : | 115-39-9 |
| Appearance | : | Powder |
| Categories | : | Stains & Indicators |
| Solubility | : | 0.1% (95% Ethanol): Clear solution |
| Absorptivity | : | Absorptivity (A1%/1cm at pH 3.1, at λ1 max): 350-385, Absorptivity (A1%/1cm at pH 4.6, at λ2 max): 940-1000 |
| Batch Number | : | 51620 |
| Product Code | : | 14572165 |
| Product Name | : | Bromophenol Blue |
| Loss on Drying | : | < 1% (110°C) |
| Storage Details | : | Ambient |
| Chemical Formula | : | C19H10Br4O5S |
| Molecular Weight | : | 669.96 |
| Transition Range | : | pH 3.1 - 4.6 Greenish Yellow–Blue Violet |
| Molecular Formula | : | C19H10Br4O5S |
| Maximum Absoprtion | : | Wavelength of maximum absorption(pH 3.1) λ1 max: 434-439 nm, Wavelength of maximum absorption (pH 4.6) λ2 max: 590-593 nm |
| Storage Temperature | : | +20 ° C |
| Harmonised Tariff Code | : | 2934999090 |
| Solubility 0.1% [EtOH] | : | Clear yellow solution |
| Transition Range pH 3.0-4.6 | : | Greenish yellow |
| Loss on Drying (110(C for 1 hour) | : | 0.89% |
| Absorptivity (E1% 1CM CELL pH 3.3) @ 436nm | : | 363 |
| Absorptivity (E1% 1cm cell pH 4.6) @ 591nm | : | 995 |
© 2026 Copyright. All Rights Reserved.
© 2026 Copyright. All Rights Reserved.
