1,3-Butanediol

Multi-Functional Chemical Intermediate – 1,3-Butanediol is a high-value secondary alcohol monomer with excellent reactivity. It acts as a critical co-monomer for polyurethane and polyester synthesis, effectively improving resin flexibility, structural stability and weather resistance for end materials.

Excellent Solvent & Dispersing Capacity – Boasting superior compatibility, it serves as an efficient solvent and dispersing agent for surfactants, printing inks and flavor formulations, optimizing system uniformity and product stability.

Mild & Efficient Cosmetic Humectant – Featuring outstanding moisture-locking properties and mild skin compatibility, it is widely added to lotions, hair sprays and personal care formulas to maintain skin and hair hydration with non-irritating performance.

Professional Pharmaceutical Synthetic Material – Widely adopted in pharmaceutical synthesis for manufacturing anticancer colchicine derivatives and hypoglycemic active ingredients, supporting the research and production of diabetes treatment drugs.

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.

1,3-Butanediol

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 tempStore below +30°C
Solubility >500g/lMiscible
Form Liquid
Pka14.83±0.20(Predicted)
Specific Gravity1.004 – 1.007
Color Clear colorless to yellow, may discolor to brown on storage
PH6.1 (500g/l, H2O, 20℃)
Odorodorless
PH Range6 - 7 at 20 °C
Explosive limit1.9-12.6%(V)
Water Solubility SOLUBLE
Sensitive Hygroscopic
Merck 14,1567
BRN 1731276
StabilityStable. Flammable. Hygroscopic - protect from air and moisture. Incompatible with strong oxidizing agents.
LogP-0.9 at 25℃
CAS DataBase Reference107-88-0(CAS DataBase Reference)
NIST Chemistry Reference1,3-Butanediol(107-88-0)
EPA Substance Registry System1,3-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.

1,3-Butanediol

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