CompoundList

Bromophenol red

Also known as 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-bromophenol), S,S-dioxide, BromophenolRed, Bromophenol red (sultone form)

CAS 2800-80-8Formula C19H12Br2O5SMolar mass 512.18 g/molEC 220-538-1
Bromophenol red chemical structure, C19H12Br2O5S, CAS 2800-80-8
2D chemical structure

Key facts

What buyers check first

CAS number
2800-80-8
Formula
C19H12Br2O5S
Molar mass
512.18 g/mol
EC number
220-538-1
HS code
293499
Category
Indicators and stains

What is Bromophenol red?

Plain description, key identifiers and synonyms

Bromophenol red is a chemical substance with the molecular formula C19H12Br2O5S and a molar mass of 512.18 g/mol. Its CAS registry number is 2800-80-8. The IUPAC name is 2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1ฮป6-benzoxathiol-3-yl]phenol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1ฮป6-benzoxathiol-3-yl]phenol
CAS number
2800-80-8 CAS number cross-checked
EC number
220-538-1
Molecular formula
C19H12Br2O5S
MDL number
MFCD00023014
InChIKey
OYCLSQDXZMROJK-UHFFFAOYSA-N
InChI
InChI=1S/C19H12Br2O5S/c20-14-9-11(5-7-16(14)22)19(12-6-8-17(23)15(21)10-12)13-3-1-2-4-18(13)27(24,25)26-19/h1-10,22-23H
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Br)C4=CC(=C(C=C4)O)Br

Synonyms

  • 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-bromophenol), S,S-dioxide
  • BromophenolRed
  • Bromophenol red (sultone form)
  • Bromophenol Red Free acid
  • 2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol
  • Bromphenolrot
  • C19H12Br2O5S
  • dibromophenolsulfonephthalein
  • RCL L132012
  • 3',3''-Dibromophenolsulfonphthalein
  • 5',5''-Dibromophenolsulfonephthalein
  • Phenol,4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-
  • 3,3-bis(3-bromo-4-hydroxyphenyl)benzo[c]1,2-oxathiolene-1,1-dione
  • Bromophenol red, indicator (5.0-6.8) Bromophenol red, indicator
  • 3,3-Bis(3-bromo-4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
  • 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-bromophenol), S,S-dioxide-
  • 2-bromo-4-[3-(3-bromo-4-hydroxy-phenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol
  • 3,3-Bis(3-bromo-4-hydroxyphenyl)-2,1lambda~6~-benzoxathiole-1,1(3H)-dione

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
512.18 g/molcalc.
Exact mass
509.8772 Dacalc.
LogP (octanol/water)
4.63calc.
Topological polar surface area
83.83 ร…ยฒcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
27calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.05calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=S1(=O)OC(c2ccccc2)(c2ccccc2)c2ccccc21

O=S1(=O)OC(c2ccccc2)(c2ccccc2)c2ccccc21

4 rings, 23 atoms, the 3,3-Diphenyl-3H-benzo[c][1,2]oxathiole 1,1-dioxide ring system.

63 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Bromophenol red suppliers

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Bromophenol red price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Bromophenol red is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Bromophenol red is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Bromophenol red, based on the data on this page

What is Bromophenol red?

Bromophenol red is a chemical substance with the molecular formula C19H12Br2O5S and a molar mass of 512.18 g/mol. Its CAS registry number is 2800-80-8. The IUPAC name is 2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1ฮป6-benzoxathiol-3-yl]phenol.

What is the CAS number of Bromophenol red?

The CAS registry number of Bromophenol red is 2800-80-8.

What is the molecular formula and weight of Bromophenol red?

The molecular formula of Bromophenol red is C19H12Br2O5S and its molar mass is 512.18 g/mol.

What is Bromophenol red used for?

Known uses and roles of Bromophenol red include indicators and stains in research and laboratory.

Is Bromophenol red hazardous?

No GHS hazard classification for Bromophenol red is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Bromophenol red?

Bromophenol red is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclicโ€ฆ). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Bromophenol red?

CompoundList lists 11 suppliers of Bromophenol red in India, United States, Czech Republic and Germany. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Bromophenol red in India?

4 suppliers in India list Bromophenol red on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Bromophenol red?

Suppliers quote Bromophenol red on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Bromophenol red

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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