Product Description
1,3-Butanediol is a versatile aliphatic diol with stable chemical properties. It works as a key building block for polyester plasticizers, coating resins and structural polymer materials. Its unique molecular flexibility enhances the impact resistance and ductility of polyester and polyurethane products for industrial material manufacturing.

Product Parameters
| 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 |
| 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) |
Application Scenarios
Polymer & Material Industry – Used to synthesize saturated polyester resins for polyurethane coatings, plasticizers and structural profiles. It improves the flexibility, toughness and outdoor durability of construction boards, custom moldings and marine components.
Fine Chemical & Daily Care Industry – Applied in ink, surfactant and flavor production as a solubilizer. It is also a common safe humectant in personal care products, balancing formula texture and moisturizing performance.
Pharmaceutical Field – Serves as an essential synthetic intermediate for anticancer and hypoglycemic pharmaceutical ingredients, supporting high-precision medical compound manufacturing.
