1-Bromobutane CAS 109-65-9

High-Purity 1-Bromobutane CAS 109-65-9 from Aure Chemical: Stable Supply & Compliance

1-Bromobutane is a clear, highly flammable primary alkyl bromide widely used as an alkylating agent in organic synthesis. Aure Chemical supplies this intermediate to industrial and research customers requiring consistent quality for synthetic applications.

Basic Information

CAS No.	109-65-9
EC No.	203-691-9
Linear Formula	C4H9Br
Molecular Weight	137.02
Appearance	Colorless liquid
Melting Point	−112 °C (lit.)
Boiling point	100–104 °C (lit.)
Density	1.27 g/mL at 25 °C (lit.)
RIDADR	UN 1126 Class 3 / PG II
Chemical Structure

Key Applications

• Primary alkylating agent: Extensively used to introduce the n-butyl group in organic synthesis via nucleophilic substitution reactions.

• Grignard reagent precursor: Employed in the preparation of butylmagnesium bromide for carbon–carbon bond-forming reactions.

• Pharmaceutical intermediate: Serves as a building block in the synthesis of various active pharmaceutical ingredients and related fine chemicals.

• Agrochemical and specialty chemical intermediate: Applied in the production of selected crop-protection agents and performance chemicals.

• Solvent and extraction medium: Used in certain specialty formulations and laboratory extraction processes requiring a non-polar alkyl bromide.

Aure Chemical: Your Reliable Partner for 1-Bromobutane

• Reliable product quality supported by rigorous QA procedures: Each batch is controlled to deliver consistent purity suitable for demanding synthetic processes.

• Efficient international shipping and bulk supply capability: Established logistics channels support timely delivery of both laboratory and commercial quantities worldwide.

• Complete SDS, COA and dangerous goods documentation available: Full regulatory and safety paperwork is provided to facilitate compliance and safe handling.

• Assistance with packaging selection and shipment planning: Our team works with customers to select appropriate packaging and coordinate transport of hazardous materials.

Hazards Classification

GHS Classification: Flammable liquids (Category 2) [GHS02]; Skin irritation (Category 2) [GHS07]; Eye irritation (Category 2) [GHS07]; Specific target organ toxicity – single exposure (Category 3, respiratory irritation) [GHS07]; Hazardous to the aquatic environment, long-term (Chronic Category 2) [GHS09]

Hazard Statements: H225 Highly flammable liquid and vapour. H315 Causes skin irritation. H319 Causes serious eye irritation. H335 May cause respiratory irritation. H411 Toxic to aquatic life with long lasting effects.

UN Number: 1126
 Hazard Class: 3
 Packing Group: II