Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Adipic acid
1. Basic Information
Name: Adipic acid
Alias: Hexanedioic acid
CAS No.: 124-04-9
Molecular Formula: C6H10O4
Molecular Weight: 146.14
Category: Aliphatic dicarboxylic acid, core polymer monomer, food additive, fine chemical raw material
2. Physical and Chemical Properties
Physical Properties
- Appearance: White crystalline powder or granular crystal
- Odor: Odorless, slight sour taste
- Solubility: Soluble in hot water, methanol, ethanol; slightly soluble in cold water, acetone; insoluble in benzene, petroleum ether
- Melting Range: 151–153 ℃
- Boiling Point: 337.5 ℃ (decomposes)
- Hygroscopy: Non-hygroscopic under normal humidity
- Aqueous property: Weakly acidic aqueous solution, two-stage dissociation of carboxyl groups
Chemical Properties
- Molecular structure: Straight-chain six-carbon dicarboxylic acid with two terminal -COOH groups
- Esterification reaction: Reacts with alcohols to produce adipate plasticizers
- Polycondensation: Copolymerizes with hexamethylenediamine to form nylon 66; polycondenses with diols to make polyester resins
- Neutralization: Reacts with alkalis to generate adipate salts
- Thermal stability: Stable below 140 ℃; high temperature heating undergoes dehydration cyclization to form cyclopentanone
- Compatibility: Compatible with alcohols, esters, neutral polymers; incompatible with strong oxidants, strong alkali at high temperature
3. Main Application Fields
1. Nylon 66 Monomer (Core Application)
Main raw material for polyamide 66 fiber and engineering plastic, matched with hexamethylenediamine for polycondensation
2. Plasticizer Raw Material
Synthesis of dioctyl adipate (DOA), dibutyl adipate cold-resistant plasticizers for PVC film, artificial leather
3. Food Industry Additive
Food acidity regulator, leavening agent for baking powder, flavor modifier
4. Other Uses
- Polyurethane, polyester coating resin monomer
- Cement retarder, metal surface cleaning agent
- Laboratory analytical standard reagent
4. Quality Specification Table
| Test Item | Standard Specification |
| CAS Number | 124-04-9 |
| Molecular Formula | C6H10O4 |
| Appearance | Uniform white crystal without discoloration |
| Purity | Industrial grade ≥99.5%; Food grade ≥99.8% |
| Melting Point | 151–153 ℃ |
| Moisture | ≤0.20% |
| Ash Content | ≤0.01% |
| Heavy Metals (Pb) | ≤10 ppm (food grade) |
| Packaging | 25kg PE lined woven bag / plastic drum |
| Storage Condition | Sealed dry warehouse below 25 ℃, avoid damp and strong oxidants |
| Transportation Requirement | Ordinary solid chemical, moisture-proof packaging |
| Shelf Life | 36 months sealed storage |
Safety Warning
Low-toxic mild irritant solid. Dust irritates eyes, nasal mucosa and respiratory tract; long-term skin contact may cause mild dry irritation. Operations need ventilation with dust mask and latex gloves. Avoid contact with concentrated strong alkali under heating conditions. Waste water can be neutralized with alkali before discharge; solid waste belongs to general organic industrial waste.
...
Product
