Product Description
1,3-Butanediol is a secondary alcohol widely used in surfactants, inks, and as a solvent for natural and synthetic flavors. It also functions as a co-monomer in the production of certain polyurethane and polyester resins.
In cosmetic formulations, it works as a humectant to help maintain moisture, especially in hair sprays and styling lotions. In pharmaceutical applications, it is used as an intermediate in the synthesis of colchicine derivatives for anticancer drugs and PPAR γ/δ agonists for diabetes management.
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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) |
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Product Usage
1,3-Butanediol is primarily used as a chemical intermediate for producing polyester plasticizers and other related products, while also serving as a solvent and humectant.
It is widely used in the manufacture of structural materials, including boat components, molded parts, and construction sheets and panels, where it improves weather resistance, flexibility, and impact strength. It is also applied in saturated polyesters for polyurethane coatings to enhance flexibility and is commonly found in various personal care formulations.
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