1,3-Butanediol (C4H10O2, CAS# 107-88-0) is a versatile organic diol featuring both primary and secondary hydroxyl groups. Widely valued for its low volatility and excellent solvent capabilities, it serves as an indispensable building block in polymer synthesis, personal care chemistry, and pharmaceutical manufacturing. Beyond its core role as a resin co-monomer, it acts as a gentle humectant in cosmetics and serves as a synthetic precursor for targeted oncological and metabolic pharmaceuticals.
| 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
Exhibiting exceptional solubility, moisture retention, and chemical reactivity, 1,3-Butanediol fulfills diverse functional roles across various commercial sectors:
Resins, Plastics & Coatings: Functions as a critical building block for polyester plasticizers, saturated polyesters, and polyurethane resin systems—enhancing mechanical flexibility, weatherability, and toughness in composite moldings, construction panels, marine components, and surface coatings.
Personal Care & Cosmetics: Acts as an effective humectant and viscosity controller in hair setting sprays, skin lotions, and topical gels to maintain product hydration and skin feel.
Industrial Solvents & Formulation Aids: Used as a stabilizing solvent and carrier medium in specialized printing inks, flavor concentrates, and surfactant formulations.
