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Pharmaceutical intermediates

1-Bromopropane

Also known as N-Propyl bromide, Propyl bromide, Propane, 1-bromo-

CAS 106-94-5Formula C3H7BrMolar mass 122.99 g/molEC 203-445-0
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant, Serious health hazard 115 suppliers listed
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1-Bromopropane chemical structure, C3H7Br, CAS 106-94-5
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
-110 °C
Boiling point
71 °C
Density
Relative density (water = 1): 1.35
Flash point
22 °C
HS code
290369
Category
Pharmaceutical intermediates
UN number
UN 2344
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is 1-Bromopropane?

Plain description, key identifiers and synonyms

1-bromopropane is a bromoalkane that is propane carrying a bromo substituent at position 1. It has a role as a solvent and a neurotoxin. It is a bromohydrocarbon and a bromoalkane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-bromopropane
CAS number
106-94-5 CAS number cross-checkedOther or deprecated CAS: 26446-77-5
EC number
203-445-0
Molecular formula
C3H7Br
UNII
Y9746DNE68
MDL number
MFCD00000254
InChIKey
CYNYIHKIEHGYOZ-UHFFFAOYSA-N
InChI
InChI=1S/C3H7Br/c1-2-3-4/h2-3H2,1H3
SMILES (canonical and isomeric)
CCCBr

Synonyms

  • N-Propyl bromide
  • Propyl bromide
  • Propane, 1-bromo-
  • 1-Bromo-propane
  • propylbromide
  • n-propylbromide
  • 1-BP, propane
  • Propane, bromo-
  • Bromopropane
  • 1-Propyl bromide
  • Bromopropane, 1-
  • bromo-propane
  • 1-propylbromide
  • 3-bromopropane
  • 1-bromopropan
  • 1-brompropane
  • 1-bromo propane
  • 3-bromo propane
  • PrBr
  • n-PrBr
  • 1-Bromopropane, 99%
  • n-C3H7Br
  • 1-Bromopropane, analytical standard
  • 1-Bromopropane Solution in Methanol, 1000ug/mL
  • 1-Bromopropane(Discontinued,See C4X-1093133)

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

Appearance
Colorless liquidexp.
Odour
Sweet odorexp.
Melting point
-110 °Cexp.
Boiling point
71 °Cexp.
Density
Relative density (water = 1): 1.35exp.
Flash point
22 °Cexp.
Autoignition temperature
490 °Cexp.
Solubility
In water, 2,450 mg/L at 20 °Cexp.
Vapour pressure
110.8 mm Hg at 20 °Cexp.

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
122.99 g/molcalc.
Exact mass
121.9731 Dacalc.
LogP (octanol/water)
1.79calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
1calc.
Heavy atoms
4calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
220NFPA 704 rating

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H336May cause drowsiness or dizziness.
  • H360FDMay damage fertility. May damage the unborn child.
  • H373May cause damage to organs through prolonged or repeated exposure.
Precautionary statements (28)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • 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.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • 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.
  • P318If exposed or concerned, get medical advice.
  • 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.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2344
Transport hazard class
3
Packing group
II

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

1-Bromopropane suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 115 suppliers
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Where suppliers are based

115 suppliers in 14 countries

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1-Bromopropane 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

Solvent for fats, waxes and resins, intermediate in synthesis of pharmaceuticals, insecticides and other compounds, in spray adhesives, degreaser, cleaner for metal and precision electronic components.

Production of penconazole, valproic acid (From table).

In the early to mid 1990s, 1-bromopropane was used primarily as an intermediate in the production of pesticides, quaternary ammonium compounds, flavors and fragrances, pharmaceuticals, and other chemicals in well-controlled, closed processes. In the mid to late 1990s, it was introduced as a less toxic replacement for methylene chloride in emissive applications such as vapor and immersion degreasing operations and critical cleaning of electronics and metals.

Read more

1-Bromopropane was also introduced as a nonflammable, nontoxic, fast-drying, and inexpensive solvent for adhesive resins, and has been marketed as a replacement for ozone depleting refrigerants.

1-Bromopropane is used primarily as a solvent cleaner in vapor and immersion degreasing operations to clean optics, electronics, and metals and as a solvent vehicle in industries using aerosol-applied adhesives, such as foam cushion manufacturing. ...1-Bromopropane also has potential for use as a spot remover in the textile industry... In the past, 1-bromopropane was used primarily as a solvent for fats, waxes, and resins and as an intermediate in the synthesis of pharmaceuticals, insecticides, quaternary ammonium compounds, flavors, and fragrances in generally well-controlled, closed processes.

Industrial uses: Cleaning agent, Intermediate.

Roles

  • aetiopathogenetic role
  • neurotoxin
  • poison
  • solvent

Functional uses

  • Solvent

How it is made

Treatment of the parent hydroxyl compound with a bromide and sulfuric acid, as in the preparation of methyl bromide. If the parent compound is unstable toward sulfuric acid, hydrobromic acid is passed in and alkyl bromide is flashed over from the hot mixture. The product is condensed, neutralized, and fractionated. In modifications of these procedures, bromine may be used along with a reducing agent such as sulfur, sulfur dioxide, phosphorus, or sodium borohydride.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 602-019-00-5

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: 1-Bromopropane, n-Propyl bromide, Ref no: 1139, Annex ref: II/1139

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 1-Bromopropane is traded under.

HS 2903.69Indicative HS code

Brominated or iodinated derivatives of acyclic hydrocarbons, other

World exports in 2024
$135M
−18.6% vs 2023, imports $139M
2022 to 2024
Top exporters
  1. China26.7%
  2. United States26.3%
  3. Netherlands12.3%
Top importers
  1. United States13.2%
  2. India * partner reported9.6%
  3. Japan9.3%

* Partner reported figures, a lower bound.

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

The HS code shown for 1-Bromopropane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 1-Bromopropane, based on the data on this page

What is 1-Bromopropane?

1-bromopropane is a bromoalkane that is propane carrying a bromo substituent at position 1. It has a role as a solvent and a neurotoxin. It is a bromohydrocarbon and a bromoalkane.

What is the CAS number of 1-Bromopropane?

The CAS registry number of 1-Bromopropane is 106-94-5. Other or deprecated CAS numbers: 26446-77-5.

What is the molecular formula and weight of 1-Bromopropane?

The molecular formula of 1-Bromopropane is C3H7Br and its molar mass is 122.99 g/mol.

What is 1-Bromopropane used for?

Solvent for fats, waxes and resins, intermediate in synthesis of pharmaceuticals, insecticides and other compounds, in spray adhesives, degreaser, cleaner for metal and precision electronic components. Production of penconazole, valproic acid (From table).

Is 1-Bromopropane hazardous?

1-Bromopropane carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 1-Bromopropane?

1-Bromopropane is usually classified under HS code 290369 (Brominated or iodinated derivatives of acyclic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 1-Bromopropane?

CompoundList lists 115 suppliers of 1-Bromopropane in India, United States, China, United Kingdom and 10 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy 1-Bromopropane in India?

41 suppliers in India list 1-Bromopropane on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of 1-Bromopropane?

Suppliers quote 1-Bromopropane 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 1-Bromopropane

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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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