1,12-Dodecanediol CAS 5675-51-4 is long-chain aliphatic α,ω-diol, white crystalline flake powder. It serves as key monomer for polyester, polyurethane and fine-chemical intermediates, widely used in polymer materials, coating, pharmaceutical and surfactant synthesis. TNJ Chemical is a professional manufacturer and exporter since 2001. If you need to buy 1,12-Dodecanediol with competitive price, please contact us at sales@tnjchem.com
Product Name: 1,12-Dodecanediol
CAS No: 5675-51-4
EC No: 227‑133‑9
Synonyms: α,ω-Dodecanediol, 1,12-Dihydroxydodecane, Dodecamethylene glycol
Molecular Formula: C₁₂H₂₆O₂
Molecular Weight: 202.33 g/mol
1. Chemical-Physical Properties
Appearance White flake or crystalline powder
Melting Point 79‑81 ℃
Boiling Point 189 ℃ @12 mmHg
Flash Point 176 ℃
Solubility Soluble in alcohol, warm ether; insoluble in water, petroleum ether
Density 0.92 g/cm³ (estimate)
| Test Item | Specification |
|---|---|
| Assay (GC), % ≥ | 99.0 |
| Melting Range, ℃ | 78‑81 |
| Acid Value (mgKOH/g) | ≤0.5 |
| Hydroxyl Value (mgKOH/g) | 545‑555 |
| Moisture, % | ≤0.2 |
| Ash content, % | ≤0.1 |
3. Application
Polymer monomer: Raw material for high‑performance polyester, TPU thermoplastic polyurethane, biodegradable polymer, coating & adhesive resins. Improves material flexibility, hydrolysis resistance and low‑temperature property.
Fine chemical intermediate: For synthesis of surfactants, lubricant additives, pharmaceutical intermediates, pesticide intermediates.
Phase‑change material raw material for thermal‑storage system.
4. Packing, Transportation & Storage
Packing: 25 kg kraft paper bag with inner PE liner
Storage: Keep tightly sealed, cool, dry and well‑ventilated warehouse, avoid high temperature and moisture.
Shelf-life: 12 months under original sealed condition.
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