Description

3-Methylbutane-1,2-Diol is a versatile diol compound, also known as 3-Methyl-1,2-butanediol, valued for its dual hydroxyl functionality and solubility profile. This chemical serves as a key building block and intermediate in the synthesis of more complex molecules, offering utility as a humectant, solvent, and reactive diluent. It is primarily sought by manufacturers in the pharmaceutical, cosmetic, and specialty chemical industries for applications requiring a stable, low-volatility glycol derivative.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Cosmetic & Personal Care Formulations: Functions as a humectant and solvent in skin creams, lotions, and serums.
• Polymer & Resin Production: Acts as a monomer or chain extender in the manufacture of polyesters and polyurethanes.
• Industrial Solvent: Employed as a medium for reactions and formulations where water miscibility and low volatility are beneficial.
• Chemical Synthesis: Serves as a versatile starting material or intermediate for producing flavors, fragrances, and other fine chemicals.
• Lubricant & Hydraulic Fluid Additive: Utilized as a component in specialty functional fluids.

Basic Information

Product Name	3-Methylbutane-1,2-Diol
CAS No.	50468-22-9
Molecular Formula	C5H12O2
Molecular Weight	104.15 g/mol
Synonyms	3-Methyl-1,2-butanediol; 1,2-Dihydroxy-3-methylbutane; 3-Methylbutylene glycol; 2-Methyl-1,2-butanediol; 3-Methylbutane-1,2-diol; 1,2-Butanediol, 3-methyl-; (±)-3-Methyl-1,2-butanediol
EINECS	256-632-9

Quality Control

Our 3-Methylbutane-1,2-Diol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets exacting standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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); keep container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.980 - 1.010
Refractive Index (20°C)	1.435 - 1.445

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