4-Chloro-1-butanol CAS 928-51-8

Aure Chemical: Trusted Source of 4-Chloro-1-butanol CAS 928-51-8

4-Chloro-1-butanol is a bifunctional chloroalcohol commonly employed as a versatile intermediate in organic synthesis. Aure Chemical supplies this material to industrial and research customers requiring consistent quality for pharmaceutical and specialty chemical applications.

Basic Information

CAS No.	928-51-8
EC No.	213-175-5
Linear Formula	C4H9ClO
Molecular Weight	108.57
Appearance	Colorless to slightly yellow liquid
Melting Point	Not available (typical reference)
Boiling point	80–85 °C (lit., commercial grade)
Density	1.088 g/mL at 25 °C (lit.)
RIDADR	UN 2924 Class 3 (8) / PG III
Chemical Structure

Key Applications

• Pharmaceutical intermediate: Used as a building block in the synthesis of active pharmaceutical ingredients and related fine chemicals requiring a 4-hydroxybutyl chain.

• Bifunctional organic intermediate: Serves as a versatile reagent for introducing both chloro and hydroxy functionalities in multi-step organic synthesis.

• Polymer and specialty chemical intermediate: Applied in the preparation of certain polymers, surfactants and performance materials.

• Alkylating agent: Employed to install the 4-chlorobutyl or 4-hydroxybutyl moiety in the production of specialty organic compounds.

• Tetrahydrofuran-related chemistry: Utilized in routes connected to cyclic ether chemistry and related industrial intermediates.

Aure Chemical: Your Reliable Partner for 4-Chloro-1-butanol

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

• Efficient international shipping and bulk supply capability: Established logistics channels support timely delivery of research 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 3) [GHS02]; Acute toxicity, oral (Category 4) [GHS07]; Skin corrosion/irritation [GHS05]; Serious eye damage/eye irritation [GHS05]; Specific target organ toxicity [GHS08]

Hazard Statements: H226 Flammable liquid and vapour. H302 Harmful if swallowed. Causes skin and eye damage/irritation. May cause respiratory irritation or other specific organ effects (typical for commercial grades containing residual acid).

UN Number: 2924
 Hazard Class: 3 (Subsidiary 8)
 Packing Group: III