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1,4-Butanediol CAS#110-63-4

Versatile Chemical Reactivity：The hydroxyl groups at both ends of 1,4-butanediol react with a variety of mono- and bifunctional reagents, enabling the production of polyesters, polyurethanes, and polycarbonates.

Key Industrial Intermediate: 1,4-Butanediol serves as a crucial intermediate for manufacturing plastics, solvents, specialty chemicals, and elastic fibers.

Building Block for Polyols: It is used in the synthesis of polyester polyols and polyether polyols, essential for producing high-performance materials.

Reliable Global Supply: Produced by major manufacturers such as BASF, ensuring consistent quality and availability for industrial applications.

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Product Description

1,4-Butanediol CAS#110-63-4

1,4-Butanediol (1,4-BD) is a colorless viscous liquid (one of four stable butanediol isomers) with terminal hydroxyl groups, enabling reactions to form polyesters, polyurethanes and polycarbonates. A core chemical intermediate for plastics, solvents, elastic fibers and polyols, with BASF as a leading global producer.

Product Usage of 1,4-Butanediol CAS#110-63-4

1,4-Butanediol (BDO) is a core chemical intermediate primarily used to produce tetrahydrofuran (THF, via phosphoric acid dehydration) and PTMEG for spandex, urethane elastomers and copolyester ethers. It is also used to manufacture engineering plastics (PBT), polyurethanes, gamma-butyrolactone, polyester plasticizers, solvents and coatings. Other applications include pharmaceutical synthesis (anticancer epothilones), adhesives, cleaning agents, agricultural/veterinary chemicals and cellulosic plasticizers.

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Product Information

Parameters

Melting point	16 °C (lit.)
Boiling point	230 °C (lit.)
density	1.017 g/mL at 25 °C (lit.)
vapor density	3.1 (vs air)
vapor pressure	<0.1 hPa (20 °C)
refractive index	n20/D 1.445(lit.)
Fp	135 °C
storage temp.	Store below +30°C.
form	Liquid
pka	14.73±0.10(Predicted)
color	Clear colorless
PH	7-8 (500g/l, H2O, 20℃)
Odor	Odorless
explosive limit	1.95-18.3%(V)
Water Solubility	Miscible
Sensitive	Hygroscopic
BRN	1633445
Dielectric constant	30.0（30℃）
Stability:	Stable. Combustible. Incompatible with strong oxidizing agents, mineral acids, acid chlorides, acid anhydrides.
InChIKey	WERYXYBDKMZEQL-UHFFFAOYSA-N
LogP	-0.88 at 25℃
CAS DataBase Reference	110-63-4(CAS DataBase Reference)
NIST Chemistry Reference	1,4-Butanediol(110-63-4)
EPA Substance Registry System	1,4-Butanediol (110-63-4)

Safety Information

Hazard Codes	Xn
Risk Statements	22-67
Safety Statements	36-23-24/25
WGK Germany	1
RTECS	EK0525000
Autoignition Temperature	698 °F
TSCA	Yes
HS Code	29053980
Hazardous Substances Data	110-63-4(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 1525 mg/kg LD50 dermal Rabbit > 2000 mg/kg

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