1,4-Butanediol CAS# 110-63-4
CAS Number: 110-63-4
Chemical Formula: C4H10O2
Synonyms:
1,4-Dihydroxybutane
1,4-Butylene glycol
Tetramethylene glycol
Appearance: Colorless liquid
HS Code: 29053980
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Products Description of 1,4-Butanediol CAS# 110-63-4
1,4-Butanediol (BDO) is a colorless viscous liquid reactive with strong oxidants. As a key basic organic chemical raw material, it is primarily utilized in the production of polybutylene terephthalate (PBT), polyurethanes, γ-butyrolactone (GBL), and tetrahydrofuran (THF).
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. |
pka | 14.73±0.10(Predicted) |
form | Liquid |
color | Clear colorless |
Odor | Odorless |
PH | 7-8 (500g/l, H2O, 20℃) |
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℃ |
Surface tension | 45.33mN/m at 298.15K |
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 |
Product Application of 1,4-Butanediol CAS# 110-63-4
1,4-Butanediol (BDO) and its derivatives find extensive application across the chemical industry, including in the production of engineering plastics, polyurethanes, solvents, electronic chemicals, and elastic fibers. It serves as a key raw material in the synthesis of epothilones—a novel class of anticancer agents—and is also utilized in the stereoselective synthesis of (-)-Brevisamide. The primary application of 1,4-butanediol lies in the manufacturing of tetrahydrofuran (THF), which is further processed into polytetramethylene ether glycol (PTMEG). This glycol is predominantly used in the production of spandex fibers, urethane elastomers, and copolyester ethers.
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