Description

3-Methylheptane is a branched-chain alkane hydrocarbon with the CAS number 589-81-1. This compound serves as a valuable intermediate and solvent in various high-precision chemical synthesis and industrial processes. It is primarily utilized by manufacturers and R&D laboratories in the petrochemical, specialty chemical, and materials science sectors.

Application

• As a non-polar solvent for organic synthesis and extraction processes.
• Used as a reference standard and analytical reagent in chromatography (GC, GC-MS) for calibration and method development.
• As a chemical intermediate in the synthesis of more complex organic molecules and specialty chemicals.
• Employed in fuel and octane rating research due to its defined hydrocarbon structure.
• As a component in simulated petroleum mixtures for testing and research applications.
• Used in material science for studying polymer solubility and properties.

Basic Information

Product Name	3-Methylheptane
CAS No.	589-81-1
Molecular Formula	C8H18
Molecular Weight	114.23 g/mol
Synonyms	3-Methylheptane; Heptane, 3-methyl-; Isooctane (historical/contextual); 3-Methyl-n-heptane; NSC 66422; UN 1262 (Petroleum distillates, n.o.s.); Petroleum ether (related mixture)
EINECS	209-661-1

Quality Control

Our 3-Methylheptane is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all relevant specifications are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Due to its highly volatile nature, keep container tightly sealed when not in use. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (20°C)	0.705 - 0.715 g/mL
Refractive Index (n20D)	1.398 - 1.402
Boiling Point	115 - 119 °C

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