Description

1,2-Butanediol is a versatile four-carbon diol with a primary and a secondary hydroxyl group, offering unique reactivity and solvent properties. This compound is valued for its excellent humectancy, low volatility, and ability to act as a chemical intermediate in various synthesis pathways. It is essential for manufacturers in the cosmetics, polymer, and pharmaceutical industries seeking a high-purity, multifunctional ingredient.

Application

• Cosmetics & Personal Care: Used as a humectant and solvent in skin creams, lotions, and serums to improve moisture retention and product texture.
• Polymer & Resin Production: Serves as a monomer or chain extender in the synthesis of polyesters, polyurethanes, and alkyd resins.
• Pharmaceutical Intermediates: Acts as a building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Industrial Solvents & Carrier Fluids: Employed as a solvent for dyes, inks, and coatings, and as a component in antifreeze and de-icing fluids.
• Food & Flavor Industry: Functions as a carrier solvent for flavors, fragrances, and food additives (subject to appropriate grade and regulatory approval).
• Chemical Synthesis: A key intermediate for producing other derivatives like esters, ethers, and butyrolactone.

Basic Information

Product Name	1,2-Butanediol
CAS No.	584-03-2
Molecular Formula	C4H10O2
Molecular Weight	90.12 g/mol
Synonyms	1,2-Butylene Glycol; 1,2-Dihydroxybutane; Butane-1,2-diol; α-Butylene Glycol; 1,2-BD; (R/S)-1,2-Butanediol; DL-1,2-Butanediol
EINECS	209-527-2

Quality Control

Our 1,2-Butanediol is produced under a stringent quality management system. Each batch is tested to ensure it meets precise specifications for purity, identity, and physical properties. Certificates of Analysis (COA) documenting results for all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture. Keep away from strong alkalis and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20/20°C)	1.002 - 1.006
Refractive Index (20°C)	1.438 - 1.442

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.