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Aromatic building blocks

4-Bromopyrene

Also known as Pyrene, 4-bromo-, 4-Brompyren, 4-Bromo-pyrene

CAS 1732-26-9Formula C16H9BrMolar mass 281.15 g/molEC 633-995-0
GHS signal word: Danger. Pictograms: Corrosive
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4-Bromopyrene chemical structure, C16H9Br, CAS 1732-26-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1732-26-9
Formula
C16H9Br
Molar mass
281.15 g/mol
EC number
633-995-0
HS code
290399
Category
Aromatic building blocks

What is 4-Bromopyrene?

Plain description, key identifiers and synonyms

4-Bromopyrene is a chemical substance with the molecular formula C16H9Br and a molar mass of 281.15 g/mol. Its CAS registry number is 1732-26-9.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-bromopyrene
CAS number
1732-26-9 CAS number cross-checked
EC number
633-995-0
Molecular formula
C16H9Br
MDL number
MFCD00029250
InChIKey
QMHTZTOPYZKQLC-UHFFFAOYSA-N
InChI
InChI=1S/C16H9Br/c17-14-9-12-5-1-3-10-7-8-11-4-2-6-13(14)16(11)15(10)12/h1-9H
SMILES (canonical and isomeric)
C1=CC2=C3C(=C1)C=C(C4=CC=CC(=C43)C=C2)Br

Synonyms

  • Pyrene, 4-bromo-
  • 4-Brompyren
  • 4-Bromo-pyrene
  • ar-H 1 4-bromopyrene
  • 4-Bromopyrene >4-bromopyrene ISO 90012015 REACH

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
281.15 g/molcalc.
Exact mass
279.9888 Dacalc.
LogP (octanol/water)
5.35calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
17calc.
Rings
4calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0calc.
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, c1cc2ccc3cccc4ccc(c1)c2c34

c1cc2ccc3cccc4ccc(c1)c2c34

4 rings, 16 atoms, the Pyrene ring system.

630 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive

Hazard statements

  • H318Causes serious eye damage.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (6)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

4-Bromopyrene suppliers

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4-Bromopyrene price

Indicative price range per kg from live supplier offers

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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 4-Bromopyrene is traded under.

HS 2903.99Indicative HS code

Halogenated derivatives of aromatic hydrocarbons, other

World exports in 2024
$798M
−15.8% vs 2023, imports $786M
2019 to 2024
Top exporters
  1. China51.0%
  2. United States15.9%
  3. Belgium8.6%
Top importers
  1. India * partner reported16.1%
  2. United States14.7%
  3. Germany10.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 4-Bromopyrene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-Bromopyrene, based on the data on this page

What is 4-Bromopyrene?

4-Bromopyrene is a chemical substance with the molecular formula C16H9Br and a molar mass of 281.15 g/mol. Its CAS registry number is 1732-26-9.

What is the CAS number of 4-Bromopyrene?

The CAS registry number of 4-Bromopyrene is 1732-26-9.

What is the molecular formula and weight of 4-Bromopyrene?

The molecular formula of 4-Bromopyrene is C16H9Br and its molar mass is 281.15 g/mol.

What is 4-Bromopyrene used for?

Known uses and roles of 4-Bromopyrene include building blocks in research and laboratory.

Is 4-Bromopyrene hazardous?

4-Bromopyrene carries the GHS signal word "Danger". Main hazards: causes serious eye damage, may cause long lasting harmful effects to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 4-Bromopyrene?

4-Bromopyrene is usually classified under HS code 290399 (Halogenated derivatives of aromatic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-Bromopyrene?

Post a free request on CompoundList and suppliers of 4-Bromopyrene will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 4-Bromopyrene?

Suppliers quote 4-Bromopyrene 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 4-Bromopyrene

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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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