1,3-Butanediol is a multifunctional organic secondary alcohol with versatile cross-industry utilization.
As a high-performance solvent raw material, it is widely incorporated into surfactants, printing inks, natural flavors and synthetic flavor essences to optimize solubilization and uniform dispersion of formulations.
It also acts as a vital co-monomer to synthesize polyurethane and polyester resins, greatly improving the structural stability and end-use performance of resin products.
For personal care and cosmetic formulations, it serves as an outstanding humectant. When formulated into hair sprays and styling lotions, it delivers long-lasting moisture-locking effects for hair and skin.
In the pharmaceutical manufacturing sector, it is an irreplaceable synthetic intermediate. It supports the preparation of colchicine-based anti-cancer derivatives, as well as dual PPAR γ/δ agonists, the active hypoglycemic ingredients applied in diabetes therapeutic drugs.
| Product Name: | 1,3-Butanediol |
| Synonyms: | (±)-butane-1,3-diol;1,3-Butandiol;Methyltrimethylene;Methyltrimethylene glycol;methyltrimethyleneglycol; 1-METHYLTRIMETHYLENE GLYCOL;1,3-DIHYDROXYBUTANE;1,3-BUTANEDIOL |
| CAS: | 107-88-0 |
| MF: | C4H10O2 |
| MW: | 90.12 |
| EINECS: | 203-529-7 |
| Product Categories: | Anhydrous Solvents;Solvent Bottles;Solvent by Application;Solvent Packaging Options;Solvents;Sure/Seal Bottles;Cnbio |
| Mol File: | 107-88-0.mol |
1,3-Butanediol Chemical Properties
| Melting point | -54 °C |
| Boiling point | 203-204 °C(lit.) |
| Density | 1.005 g/mL at 25 °C(lit.) |
| Vapor density | 3.1 (20 °C, vs air) |
| Vapor pressure | 0.06 mm Hg ( 20 °C) |
| Refractive index | n20/D 1.44(lit.) |
| Fp | 250 °F |
| Storage temp | Store below +30°C |
| Solubility | >500g/lMiscible |
| Form | Liquid |
| Pka | 14.83±0.20(Predicted) |
| Specific Gravity | 1.004 – 1.007 |
| Color | Clear colorless to yellow, may discolor to brown on storage |
| PH | 6.1 (500g/l, H2O, 20℃) |
| Odor | odorless |
| PH Range | 6 - 7 at 20 °C |
| Explosive limit | 1.9-12.6%(V) |
| Water Solubility | SOLUBLE |
| Sensitive | Hygroscopic |
| Merck | 14,1567 |
| BRN | 1731276 |
| Stability | Stable. Flammable. Hygroscopic - protect from air and moisture. Incompatible with strong oxidizing agents. |
| LogP | -0.9 at 25℃ |
| CAS DataBase Reference | 107-88-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,3-Butanediol(107-88-0) |
| EPA Substance Registry System | 1,3-Butylene glycol (107-88-0) |
Product Usage
1,3-Butanediol is a high-value, multifunctional organic chemical intermediate with extensive application coverage across chemical synthesis, new material manufacturing, architectural engineering, and personal care industries. Featuring stable chemical properties, excellent compatibility, and adjustable molecular flexibility, it serves as a core foundational raw material in numerous industrial formulation and production processes.
In the fine chemical industry, it acts as a key synthetic intermediate dedicated to the manufacturing of polyester plasticizers and a variety of downstream chemical products. Its unique molecular structure effectively optimizes the synthesis reaction process, improves the finished product purity and stability, and endows derivative chemical products with better comprehensive application performance, supporting the stable production of a full range of fine chemical materials.
Boasting dual excellent properties of high-efficiency solvency and stable moisturizing performance, this product functions as an ideal industrial solvent and professional humectant. It delivers outstanding solubility for various chemical raw materials and formulation components, ensuring uniform system dispersion and stable formula state; meanwhile, its mild and efficient moisturizing effect enables it to be widely added to diverse personal care products, effectively locking moisture, improving product texture, and enhancing the use experience of end products.
In the field of structural new materials, 1,3-Butanediol is an indispensable core additive for high-performance structural materials. It is widely applied in the production of marine boat components, customized special-shaped moldings, and architectural building sheets and boards. By participating in material polymerization and modification, it significantly enhances the material’s weather resistance, enabling finished structural products to resist erosion from complex outdoor environments such as temperature changes, humidity, and ultraviolet radiation for long-term service. In addition, it greatly improves the material’s molecular flexibility and impact resistance, effectively avoiding cracking, deformation and damage, and comprehensively boosting the durability and structural stability of engineering and marine structural materials.
Furthermore, the product is widely used in the synthesis of saturated polyesters for high-performance polyurethane coatings. It can effectively adjust and optimize the molecular chain structure of polyester materials, greatly enhance the molecular flexibility of polyester substrates, improve the ductility, adhesion and film-forming performance of polyurethane coatings, and help the coating products form a tough, wear-resistant and crack-resistant protective film, optimizing the overall service performance and application range of industrial and architectural coatings.
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