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Model No: 99.0%
Heptanoic anhydride
Heptanoic Anhydride (CAS No. 626-27-7)
Product Overview
Heptanoic anhydride (also known as enanthic anhydride) is a symmetrical, organic acid anhydride with the formula C₁₄H₂₆O₃. It appears as a clear, colorless to pale yellow oily liquid under ambient conditions.
Key Physical Properties
Molecular weight: 242.35 g/mol
Density (25°C): 0.917 g/mL
Boiling point: 269–282°C
Melting point: -12.4°C
Refractive index (20°C): 1.433
Flash point: > 110°C
Core Characteristics & Applications
Highly reactive acylating agent for organic synthesis.
Used as a chemical intermediate in manufacturing pharmaceuticals, flavors, and fragrances.
Applied in esterification, polymer modification, and fine chemical production.
Requires storage under inert atmosphere at room temperature.
Product Overview
Heptanoic anhydride (also known as enanthic anhydride) is a symmetrical, organic acid anhydride with the formula C₁₄H₂₆O₃. It appears as a clear, colorless to pale yellow oily liquid under ambient conditions.
Key Physical Properties
Molecular weight: 242.35 g/mol
Density (25°C): 0.917 g/mL
Boiling point: 269–282°C
Melting point: -12.4°C
Refractive index (20°C): 1.433
Flash point: > 110°C
Core Characteristics & Applications
Highly reactive acylating agent for organic synthesis.
Used as a chemical intermediate in manufacturing pharmaceuticals, flavors, and fragrances.
Applied in esterification, polymer modification, and fine chemical production.
Requires storage under inert atmosphere at room temperature.
Quantity :
Heptanoic Anhydride (CAS No. 626-27-7)
Product Description
1. Product Basic InformationHeptanoic anhydride (also known as Enanthic anhydride, CAS No. 626-27-7) is a high-purity symmetrical aliphatic acid anhydride, with the molecular formula C₁₄H₂₆O₃ and molecular weight of 242.35 g/mol. It is manufactured by Handan Huajun Chemical Co., Ltd., a professional fine chemical producer with ISO 9001 quality management system certification.
2. Physical and Chemical Properties
- Appearance: Clear, colorless to light yellow oily liquid
- Melting Point: -12 °C
- Boiling Point: 278–282 °C
- Density (25 °C): 0.917 g/cm³
- Refractive Index (20 °C): 1.432–1.434
- Flash Point: 110 °C
- Solubility: Insoluble in water; soluble in most organic solvents (ethanol, ether, acetone, etc.)
- Stability: Moisture-sensitive; reacts with water, alcohols, and strong bases; stable under dry, inert atmosphere
3. Purity & Quality Specifications
- Purity: ≥99.0% (GC)
- Moisture Content: ≤0.1%
- Free Acid (as Heptanoic Acid): ≤0.5%
- Color (APHA): ≤50
- Heavy Metals (Pb): ≤10 mg/kg
- Production Standard: Complies with ISO 9001 and international industrial chemical norms
4. Main Applications
- Organic Synthesis: Key acylating agent for manufacturing esters, amides, and pharmaceutical intermediates
- Flavors & Fragrances: Used in synthesizing fruit-flavored esters and perfume additives
- Plasticizers & Lubricants: Raw material for high-boiling plasticizers and synthetic lubricant base oils
- Polymer Modification: Applied in polymer chain modification and cross-linking agents
- Chemical Reagents: Used as a laboratory reagent for fine chemical research
5. Manufacturing & Quality ControlProduced via advanced condensation technology under strict ISO 9001 quality control. The whole process includes precise raw material purification, closed reaction, multi-stage distillation, and online HPLC monitoring. Each batch is tested for purity, moisture, acid value, and color to ensure stability and consistency.
6. Packaging & Storage
- Packing: 25 kg, 200 kg plastic drums; or customized packaging
- Storage: Keep in cool, dry, ventilated warehouse; sealed, away from moisture, heat, and incompatible substances
- Shelf Life: 2 years (under proper storage)
7. Manufacturer ProfileHandan Huajun Chemical Co., Ltd. (established 2007) is a specialized manufacturer of high-end fine chemicals. With ISO 9001 certification, advanced production facilities, and independent R&D labs in Shanghai and Suzhou, the company provides stable, high-quality Heptanoic Anhydride for global pharmaceutical, flavor, and chemical industries.
