2-Thiophenecarboxamide, 3-methyl- - Names and Identifiers
2-Thiophenecarboxamide, 3-methyl- - Physico-chemical Properties
Molecular Formula | C6H7NOS
|
Molar Mass | 141.19 |
Density | 1.239±0.06 g/cm3(Predicted) |
Melting Point | 122-124°C |
Boling Point | 269.3±28.0 °C(Predicted) |
Flash Point | 116.7°C |
Vapor Presure | 0.00731mmHg at 25°C |
BRN | 116188 |
pKa | 15.85±0.50(Predicted) |
Storage Condition | 2-8°C(protect from light) |
Refractive Index | 1.589 |
MDL | MFCD01208055 |
2-Thiophenecarboxamide, 3-methyl- - Risk and Safety
Risk Codes | 22 - Harmful if swallowed
|
Safety Description | S22 - Do not breathe dust.
S36/37 - Wear suitable protective clothing and gloves.
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 | 2811 |
HS Code | 29339900 |
Packing Group | III |
2-Thiophenecarboxamide, 3-methyl- - Introduction
It is an organic compound whose chemical formula is C6H7NOS.
The following properties are:
-Appearance: Colorless to light yellow crystal or powdery solid;
-Melting point: about 160-163 degrees Celsius;
-Solubility: Soluble in organic solvents such as ethanol, dichloromethane and carbon disulfide, slightly soluble in water.
The main uses of quartz include:
-Pharmaceutical field: as an intermediate for the synthesis of drugs and biologically active compounds;
-Pesticide field: used to synthesize pesticide intermediates;
-Chemical synthesis: for the synthesis of other organic compounds.
The preparation method can be carried out by the following steps:
1. reacting 3-methyl thiophene with acid chloride to generate 3-methyl thiophene -2-acid chloride;
2. react 3-methyl thiophene-2-chloride with ammonia to generate pyridine.
Regarding safety information, there are certain risks and precautions:
-The substance is irritating, avoid contact with skin and eyes;
-wear personal protective equipment such as gloves and goggles when using or disposing of the substance;
-Avoid inhaling dust, smoke, gas, mist, etc;
-When using or handling the substance, please pay attention to safe operating procedures and operating measures, such as operating in a well-ventilated place.
Last Update:2024-04-09 20:02:46