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Flame retardants

Pentabromotoluene

Also known as 2,3,4,5,6-Pentabromotoluene, Flammex 5bt, Pentabromomethylbenzene

CAS 87-83-2Formula C7H3Br5Molar mass 486.62 g/molEC 201-774-4
GHS signal word: Warning. Pictograms: Harmful or irritant 2 suppliers listed
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Pentabromotoluene chemical structure, C7H3Br5, CAS 87-83-2
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Powder
Melting point
287.8 °C
Density
2.97 at 63 °F - Denser than water, will sink
Solubility
Insoluble (<1 mg/ml)
HS code
290399
Category
Flame retardants
Illustrative photo, drums, an IBC tote and sacks in a chemical warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Pentabromotoluene?

Plain description, key identifiers and synonyms

Pentabromotoluene is a colorless powder. Insoluble in water. (NTP, 1992)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,2,3,4,5-pentabromo-6-methylbenzene
CAS number
87-83-2 CAS number cross-checkedOther or deprecated CAS: 26101-97-3
EC number
201-774-4
Molecular formula
C7H3Br5
UNII
87007N97G5
MDL number
MFCD00000060
InChIKey
OZHJEQVYCBTHJT-UHFFFAOYSA-N
InChI
InChI=1S/C7H3Br5/c1-2-3(8)5(10)7(12)6(11)4(2)9/h1H3
SMILES (canonical and isomeric)
CC1=C(C(=C(C(=C1Br)Br)Br)Br)Br

Synonyms

  • 2,3,4,5,6-Pentabromotoluene
  • Flammex 5bt
  • Pentabromomethylbenzene
  • 1,2,3,4,5-Pentabromo-6-methylbenzene
  • Benzene, pentabromomethyl-
  • Toluene, 2,3,4,5,6-pentabromo-
  • Benzene, 1,2,3,4,5-pentabromo-6-methyl-
  • 2,3,4,5,6-Pentabromomethylbenzene
  • Benzene, methyl-, pentabromo deriv.
  • 87-83-2, 26101-97-3(replacedby87-83-2)
  • C7H3Br5
  • DivK1c_001232
  • 87-83-226101-97-3(replacedby87-83-2)
  • 1,2,3,4,5-pentabromo-6-methyl-benzene
  • 1,2,3,4,5-Pentabromo-6-methylbenzene #
  • 2,3,4,5,6-Pentabromotoluene, analytical standard

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

Physical form
Powderexp.
Melting point
287.8 °Cexp.
Density
2.97 at 63 °F - Denser than water, will sinkexp.
Solubility
Insoluble (<1 mg/ml)exp.

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
486.62 g/molcalc.
Exact mass
481.6152 Dacalc.
LogP (octanol/water)
5.81calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
12calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.14calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • 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

Pentabromotoluene suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 2 countries

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Pentabromotoluene 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Pentabromotoluene 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 Pentabromotoluene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Pentabromotoluene, based on the data on this page

What is Pentabromotoluene?

Pentabromotoluene is a colorless powder. Insoluble in water. (NTP, 1992)

What is the CAS number of Pentabromotoluene?

The CAS registry number of Pentabromotoluene is 87-83-2. Other or deprecated CAS numbers: 26101-97-3.

What is the molecular formula and weight of Pentabromotoluene?

The molecular formula of Pentabromotoluene is C7H3Br5 and its molar mass is 486.62 g/mol.

Is Pentabromotoluene hazardous?

Pentabromotoluene carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pentabromotoluene?

Pentabromotoluene 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 Pentabromotoluene?

CompoundList lists 2 suppliers of Pentabromotoluene in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Pentabromotoluene?

Suppliers quote Pentabromotoluene 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 Pentabromotoluene

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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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