2,4,4-Trimethyl-oxazolin-2 - Names and Identifiers
Name | 2,4,4-Trimethyl-2-oxazoline
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Synonyms | Trimethyloxazoline 2,4,4-Trimethyl-oxazolin-2 2,4,4-TRIMETHYL-2-OXAZOLINE 2,4,4-Trimethyl-2-oxazoline 4,5-Dihydro-2,4,4-trimethyloxazole Oxazole, 4,5-dihydro-2,4,4-trimethyl- 2,4,4-Trimethyl-4,5-dihydro-1,3-oxazole 2,4,4-trimethyl-4,5-dihydro-1,3-oxazole 2,4,4-Trimethyl-deltadimethyl2-oxazoline
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CAS | 1772-43-6
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EINECS | 217-201-6 |
InChI | InChI=1/C6H11NO/c1-5-7-6(2,3)4-8-5/h4H2,1-3H3 |
2,4,4-Trimethyl-oxazolin-2 - Physico-chemical Properties
Molecular Formula | C6H11NO
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Molar Mass | 113.16 |
Density | 0.887g/mLat 25°C(lit.) |
Melting Point | 113.5°C |
Boling Point | 112-113°C(lit.) |
Flash Point | 55°F |
Vapor Presure | 21.1mmHg at 25°C |
BRN | 107665 |
pKa | 5.90±0.70(Predicted) |
Refractive Index | n20/D 1.4213(lit.) |
2,4,4-Trimethyl-oxazolin-2 - Risk and Safety
Hazard Symbols | F - Flammable
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Risk Codes | 11 - Highly Flammable
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Safety Description | S16 - Keep away from sources of ignition.
S29 - Do not empty into drains.
S33 - Take precautionary measures against static discharges.
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UN IDs | UN 1993 3/PG 2 |
WGK Germany | 3 |
Hazard Class | 3 |
Packing Group | II |
2,4,4-Trimethyl-oxazolin-2 - Introduction
2,4,4-Trimethyl-2-oxazoline(2,4,4-trimethyl-2-oxazoline) is an organic compound with the chemical formula C7H13NO. It is a colorless liquid with a special pungent odor. The following is a description of the nature, use, preparation and safety information of 2,4,4-Trimethyl-2-oxazoline:
Nature:
-Appearance: colorless liquid
-Molecular weight: 129.18g/mol
-Melting point:-70 ° C
-Boiling Point: 137-138 ° C
-Density: 0.862 g/mL
-Solubility: Soluble in many organic solvents, such as alcohols, ethers, ketones, benzene and esters
-Flammability: It is a flammable liquid, pay attention to avoid fire and high temperature
Use:
- 2,4,4-Trimethyl-2-oxazoline is widely used in the polymer industry, mainly as an anti-aging agent, stabilizer and antioxidant for polymers. It can effectively extend the life of the polymer and improve its heat resistance and mechanical properties.
-In addition, 2,4,4-Trimethyl-2-oxazoline can also be used as a catalyst, solvent and oxidant in organic synthesis.
Method:
2,4,4-Trimethyl-2-oxazoline has many preparation methods, common methods include:
-Using 2-pentanone as raw material, 2-keto-pent-2-one (2-keto-pent-2-ene) is generated by reacting with methanol and ammonia. Then, by reaction with tert-butyl peroxide (tert-butyl), 2,4, 4-trimethy1-2-oxazoline is obtained.
-Using glutamic acid as raw material, 2,4,4-Trimethyl-2-oxazoline is produced through esterification, partial hydrolysis and amidation.
Safety Information:
- 2,4,4-Trimethyl-2-oxazoline is irritating, and contact with the skin and eyes may cause irritation and inflammation. Wear appropriate personal protective equipment to avoid contact with skin and eyes.
-It is a flammable liquid, avoid contact with high temperature and open fire.
-storage should be stored in a cool, ventilated, dry place, away from fire and heat.
-During use and storage, pay attention to avoid mixing with oxidants and acids to avoid dangerous reactions.
In General, 2,4,4-Trimethyl-2-oxazoline is a compound widely used in the polymer industry, with anti-aging, stability and oxidation resistance, however, it is necessary to pay attention to safety measures and protective measures during use and storage.
Last Update:2024-04-10 22:29:15