gamma-crotonolactone（CAS#497-23-4）
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| RTECS | LU3453000 |
| FLUKA BRAND F CODES | 8-10 |
| HS Code | 29322980 |
| Hazard Note | Irritant |
Introduction
γ-crotonyllactone (GBL) is an organic compound. The following is an introduction to the nature, use, manufacturing method and safety information of GBL:
Quality:
Appearance: Colorless transparent liquid with ethanol-like odor.
Density: 1.125 g/cm³
Solubility: Soluble in many organic solvents, such as water, alcohol, ether, etc.
Use:
Industrial use: GBL is widely used as surfactant, dye solvent, resin solvent, plastic solvent, cleaning agent, etc.
Method:
GBL can be obtained by oxidizing crotonone (1,4-butanol). The specific preparation method is to react crotonone with chlorine gas to generate 1,4-butanedione, and then hydrogenate 1,4-butanedione with NaOH to generate GBL.
Safety Information:
GBL has the characteristics of high volatility and easy absorption of skin and mucous membranes, and has a certain toxicity to the human body. Use with caution.
GBL can have an impact on the central nervous system, and excessive dosage may lead to adverse effects such as dizziness, drowsiness, and muscle weakness. Comply with relevant laws and regulations.
