Description

1,2-Heptanediol (CAS NO 3710-31-4) is a versatile C7 diol valued for its dual hydrophilic and lipophilic properties, making it an effective humectant and solvent. This compound is particularly significant for its ability to enhance product stability and sensory characteristics in demanding formulations. It is primarily sought after by manufacturers in the personal care, cosmetics, and pharmaceutical industries for its reliable performance and compatibility.

Application

• Cosmetic & Personal Care Formulations: Acts as a humectant, emollient, and viscosity regulator in skin creams, lotions, and sunscreens.
• Pharmaceutical Excipient: Used as a solvent and co-solvent in topical drug delivery systems and ointments.
• Industrial Solvent & Intermediate: Serves as a solvent for resins and a chemical building block in organic synthesis.
• Cleaning & Disinfectant Products: Incorporated into formulations for its solvent power and mild antimicrobial properties.
• Printing Inks & Coatings: Functions as a coalescing agent and slow-evaporating solvent to improve film formation.
• Plasticizer & Additive: Used to modify the flexibility and processing of certain polymers and adhesives.

Basic Information

Product Name	1,2-Heptanediol
CAS No.	3710-31-4
Molecular Formula	C7H16O2
Molecular Weight	132.20 g/mol
Synonyms	1,2-Dihydroxyheptane; Heptane-1,2-diol; (±)-1,2-Heptanediol; NSC 403697; 1,2-Heptylene Glycol; α,β-Heptanediol
EINECS	223-051-5

Quality Control

Our 1,2-Heptanediol is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive quality documentation, including detailed Certificates of Analysis (COA) for each shipment, which verify key parameters such as purity, identity, and impurity profiles. Our commitment to quality supports compliance with relevant industry standards for cosmetic and pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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.

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)	0.950 - 0.970
Refractive Index (20°C)	1.445 - 1.455

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