1-(TRIMETHYLSILYL)-1-PENTYNE - Names and Identifiers
1-(TRIMETHYLSILYL)-1-PENTYNE - Physico-chemical Properties
Molecular Formula | C8H16Si
|
Molar Mass | 140.3 |
Density | 0.765g/mLat 25°C(lit.) |
Boling Point | 135°C(lit.) |
Flash Point | 73°F |
Vapor Presure | 9.73mmHg at 25°C |
Appearance | clear liquid |
Specific Gravity | 0.765 |
Color | Colorless to Light yellow |
BRN | 1744218 |
Storage Condition | 2-8℃ |
Sensitive | `sensitive` to heat and air, easy to absorb moisture |
Refractive Index | n20/D 1.425(lit.) |
MDL | MFCD00077890 |
1-(TRIMETHYLSILYL)-1-PENTYNE - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | R10 - Flammable
R36/37/38 - Irritating to eyes, respiratory system and skin.
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
|
UN IDs | UN 1993 3/PG 3 |
WGK Germany | 3 |
Hazard Class | 3.1 |
Packing Group | II |
1-(TRIMETHYLSILYL)-1-PENTYNE - Introduction
The chemical formula is (CH3) 3sic≡ CCH2CH2CH3, which is an organic silicon compound. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: colorless liquid
-Density: approx. 0.77g/cm³
-Boiling point: About 80-82 ℃
-Melting point: About -45 ℃
-Refractive index: about 1.429
Use:
is an important organosilicon compound with the following applications:
-As a reagent and intermediate in organic synthesis, used to synthesize other compounds.
-As a complexing agent, used in the catalytic reaction of metal catalysts.
-Used as a monomer in polymers and coatings of organosilicon compounds.
Method:
A commonly used method of preparation is carried out by the following steps:
1. The reaction between trichlorosilane and cyanopropyne is carried out under alkaline conditions to generate a nickel salt.
Safety Information:
It is relatively safe for humans and the environment under normal conditions of use. But still need to pay attention to the following matters:
-Since it is a flammable liquid, avoid contact with open flames, high temperatures and sparks.
-During use, you should wear protective gloves and goggles to avoid direct contact with skin and eyes.
-Avoid inhaling its vapor or spray and ensure that the operating area is well ventilated.
-If accidental contact causes discomfort or symptoms such as skin redness and burning occur, wash off immediately and seek medical treatment.
Last Update:2024-04-10 22:29:15