Dodecanedioic acid
- Createtime： 2026-04-14
- Updatetime： 2026-07-24
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Molecular Weight |
230.30
|
| aliasen |
|
| supplyCapacity |
50000MT/Month
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Appearance |
White crystalline powder
|
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.
Dodecanedioic Acid
1. Basic Information
Name: Dodecanedioic Acid
Alias: 1,12-Dodecanedioic acid, DDDA
CAS No.: 693-23-2
Molecular Formula: C??H??O?
Molecular Weight: 230.30
Category: Polyamide monomer, high-performance polyester raw material, lubricant additive, cosmetic intermediate, powder coating curing agent
2. Physical and Chemical Properties
Physical Properties
- Appearance: White crystalline powder
- Odor: Odorless
- Solubility: Slightly soluble in hot ethanol, methanol and acetone; barely soluble in cold water, ether and aliphatic hydrocarbons
- Melting Point: 126–129 °C
- Predicted Boiling Point: 394.7 °C (760 mmHg, decomposition)
- Predicted Density: 1.06 g/cm3
- Hygroscopy: Non-hygroscopic under normal sealed storage
- Aqueous property: Dibasic aliphatic carboxylic acid, weakly acidic; dissolves in hot alkaline water to form soluble dicarboxylate salts
Chemical Properties
- Molecular structure: Straight-chain saturated aliphatic dicarboxylic acid with carboxyl groups at both terminal ends of C12 alkyl chain
- Esterification reactivity: Reacts with monohydric alcohols to produce diesters for synthetic lubricants; polycondenses with diamines to form long-carbon-chain polyamides
- Salt formation: Reacts with metal ions to generate metal dicarboxylates used as anti-rust additives and polymer nucleating agents
- Photostability: Excellent light resistance, no discoloration under long-term light exposure
- Thermal stability: Stable below 120 °C; above melting point, high-temperature heating triggers decarboxylation and decomposition
- Compatibility: Compatible with most polyols, diamines and organic ester solvents; incompatible with strong oxidants under heating
3. Main Application Fields
1. Long-Chain Nylon Monomer (Core Application)
Key raw material for synthesizing PA612, PA1012 and transparent high-toughness polyamides used in automotive parts, electronic connectors and fuel pipelines
2. Synthetic Lubricant & Coolant Raw Material
Diester derivatives serve as high-temperature resistant, low-temperature fluidity aviation and industrial lubricating base oils
3. Powder Coating & Polyester Resin Intermediate
Curing agent and monomer for outdoor weather-resistant polyester powder coatings and water-based polyester resins
4. Cosmetic & Daily Chemical Additive
Raw material for mild ester emollients and hair care conditioning agents
5. Metal Processing Auxiliary
Anti-rust agent and metal surface cleaning additive for steel and aluminum alloy processing fluids
4. Quality Specification Table
| Test Item | Standard Specification |
| CAS Number | 693-23-2 |
| Molecular Formula | C??H??O? |
| Appearance | Uniform white crystalline powder without yellow discoloration |
| HPLC Purity | Polymer Grade ≥99.5%, Industrial Grade ≥99.0% |
| Melting Point | 126–129 °C |
| Water Content (KF) | ≤0.10% |
| Monoacid Impurity | ≤0.15% |
| Ash Content | ≤0.03% |
| Heavy Metals (Pb) | ≤10 ppm |
| Packaging | Woven bag lined with PE inner film; vacuum aluminum foil bag for high-purity grade |
| Storage Condition | Hermetically sealed cool dry warehouse below 25 °C, isolated from oxidants and alkaline substances |
| Transportation Requirement | Stable crystalline solid, general chemical goods transport standard, avoid damp stacking |
| Shelf Life | 24 months under intact sealed packaging |
