Bromophenol Blue
Also known as: BPB, 3',3'',5',5''-Tetrabromophenolsulfonephthalein, 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromophenol], Bromphenol Blue, Tetrabromophenolsulfonephthalein
Bromophenol Blue (CAS 115-39-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C19H10Br4O5S and a molecular weight of 669.961 g/mol. Key properties include a melting point of 273 °C, a boiling point of 605.6±55.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 320.1±31.5 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 115-39-9
- Jingsj CID
- J-4286-0
- Molecular Formula
- C19H10Br4O5S
- Molecular Weight
- 669.961 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 273 °C |
|---|---|
| Boiling Point | 605.6±55.0 °C at 760 mmHg |
| Density | 2.2±0.1 g/cm3 |
| Flash Point | 320.1±31.5 °C |
| Exact Mass | 665.698242 |
| PSA | 92.21000 |
| LogP | 6.88 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.744 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H319 — Causes serious eye irritation
Activity & Biological Data
| Additional Information | [1]. Mendoza L, et, al. Nanocellulose for gel electrophoresis. J Colloid Interface Sci. 2019 Mar 22; 540: 148-154. [2]. Dangui AZ, et, al. Preferential solvation bromophenol blue in water-alcohol binary mixture. Spectrochim Acta A Mol Biomol Spectrosc. 2018 Oct 5; 203: 333-341. |
|---|
Customs & Trade Information
| HS Code | 2934991000 |
|---|---|
| Summary | 2934991000. sultones and sultams. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Bromophenol Blue?
The CAS number of Bromophenol Blue is 115-39-9.
What are the molecular formula and molecular weight of Bromophenol Blue?
Bromophenol Blue has molecular formula C19H10Br4O5S and molecular weight 669.961 g/mol.
Which suppliers offer Bromophenol Blue?
1 supplier(s) listed; request a quote for pricing.
Is Bromophenol Blue hazardous?
Bromophenol Blue has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of Bromophenol Blue?
For Bromophenol Blue, Upstream Products: Phenol red; Downstream Products: Benzyl (2-aminoethyl)carbamate, Quinine dihydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Bromophenol Blue (CAS 115-39-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4286-0 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.