Methyl tetrolate - Names and Identifiers
Methyl tetrolate - Physico-chemical Properties
Molecular Formula | C5H6O2
|
Molar Mass | 98.1 |
Density | 0.98 |
Boling Point | 76-77 °C (80 mmHg) |
Flash Point | 45 °C |
Vapor Presure | 6mmHg at 25°C |
Appearance | Liquid |
Color | Clear colorless to yellow |
Storage Condition | Flammables area |
Refractive Index | 1.436-1.438 |
Methyl tetrolate - Risk and Safety
Hazard Symbols | Xn - Harmful
|
Risk Codes | R10 - Flammable
R36/37/38 - Irritating to eyes, respiratory system and skin.
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
|
Safety Description | S16 - Keep away from sources of ignition.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
|
UN IDs | 1993 |
HS Code | 29161900 |
Hazard Class | 3.2 |
Packing Group | III |
Methyl tetrolate - Introduction
methyl but-2-ynoate (methyl but-2-ynoate) is an organic compound with the chemical formula C5H6O2. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
1. Appearance: methyl but-2-ynoate is a colorless liquid.
2. Boiling point: Its boiling point is 98-100 ° C.
3. Solubility: Soluble in organic solvents such as ether, alcohol and ketone, slightly soluble in water.
4. Odor: methyl but-2-ynoate has a strong sweet smell.
Use:
1. Chemical reagent: methyl but-2-ynoate can be used as a chemical reagent in organic synthesis reactions, for example, as a dehydrating agent for alcohols in organic synthesis.
2. Spices and flavors: Due to its special smell, methyl but-2-ynoate is often used as a component of spices and flavors, commonly found in candy, chewing gum, perfume and other products.
Method:
methyl but-2-ynoate can be obtained by the reaction of 2-butynoic acid and methanol. The reaction is generally carried out at an appropriate temperature in the presence of an acid catalyst.
Safety Information:
1. methyl but-2-ynoate are flammable liquids and should avoid contact with fire sources.
2. Use must wear appropriate protective equipment, such as gloves, goggles and laboratory coat.
3. Avoid contact with skin and eyes. If there is contact, rinse immediately with plenty of water.
4. Storage should be placed in a cool, dry place, and away from the fire and oxidant.
Please note that when handling and using any chemical substances, you must follow the correct laboratory safety operating guidelines and strictly comply with relevant regulations and procedures.
Last Update:2024-04-10 22:29:15