Name | 1,4-Butanediol |
Synonyms | BDO 1,4-Butanediol 1,4-BUTANEDIOL butane-1,4-diol butane-1,1-diol BUTANEDIOL, 1,4- AKOS BBS-00004303 1,4-DIHYDROXYBUTANE 1,4-BUTYLENE GLYCOL 1,4-Butylene glycol TETRAMETHYLENE GLYCOL Tetramethylene glycol VERSALINK CURATIVE 1,4 BDO |
CAS | 110-63-4 |
EINECS | 203-786-5 |
InChI | InChI=1/C4H10O2/c5-3-1-2-4-6/h5-6H,1-4H2 |
InChIKey | WERYXYBDKMZEQL-UHFFFAOYSA-N |
Molecular Formula | C4H10O2 |
Molar Mass | 90.12 |
Density | 1.017 g/mL at 25 °C (lit.) |
Melting Point | 16 °C (lit.) |
Boling Point | 230 °C (lit.) |
Flash Point | 135 °C |
Water Solubility | Miscible |
Solubility | Slightly soluble in ether, miscible with water, soluble in ethanol, etc. |
Vapor Density | 3.1 (vs air) |
Appearance | Transparent micro viscous liquid |
Color | Clear colorless |
Odor | Odorless |
BRN | 1633445 |
pKa | 14.73±0.10(Predicted) |
PH | 7-8 (500g/l, H2O, 20℃) |
Storage Condition | Store below +30°C. |
Stability | Stable. Combustible. Incompatible with strong oxidizing agents, mineral acids, acid chlorides, acid anhydrides. |
Sensitive | Hygroscopic |
Explosive Limit | 1.95-18.3%(V) |
Refractive Index | n20/D 1.445(lit.) |
MDL | MFCD00002968 |
Physical and Chemical Properties | Colorless oily liquid. melting point 20.2 ℃ boiling point 228 ℃ relative density 1.0171 refractive index 1.4461 flash point 121 ℃ solubility is miscible with water. Soluble in methanol, ethanol, acetone, slightly soluble in ether. |
Use | Used as solvents and moisturizers, but also for the preparation of plasticizers, drugs, polyester resins, polyurethane resins, etc |
Hazard Symbols | Xn - Harmful |
Risk Codes | R22 - Harmful if swallowed R67 - Vapors may cause drowsiness and dizziness |
Safety Description | S36 - Wear suitable protective clothing. S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
WGK Germany | 1 |
RTECS | EK0525000 |
TSCA | Yes |
HS Code | 29053980 |
Toxicity | LD50 orally in Rabbit: 1525 mg/kg LD50 dermal Rabbit > 2000 mg/kg |
Raw Materials | Formaldehyde acetylene |
Downstream Products | 2,3-Dihydrofuran gamma-butyrolactone Polyurethane Polyvinylpyrrolidone |
Reference Show more | 1. [IF=7.848] Qingqing Li et al."Extremely Stretchable and Tough Piezoelectric Gels for Artificial Electronic Skin."Advanced Materials Technologies. 2021 Dec 29 |
colorless oily liquid, flammable, miscible with water. Soluble in methanol, ethanol, acetone, slightly soluble in ether. Boiling point 228 °c. Melting point 20.2 °c. Flash point (Open Cup) 121 °c. The relative density was 1. 0171. Refractive index 4461.
mainly used in the manufacture of tetrahydrofuran, γ-butyrolactone, polyurethane and thermoplastic engineering plastic PBT resin. Can also be prepared N-methyl pyrrolidone, N-vinyl pyrrolidone and other pyrrolidone derivatives, also used in the preparation of vitamin B6, pesticides, herbicides and used as a variety of process solvents, plasticizers, lubricants, moisturizers, softeners, adhesives and brighteners for the electroplating industry.