5-(4-tetrahydropyranyl)-1,3-dibromobenzene - Names and Identifiers
5-(4-tetrahydropyranyl)-1,3-dibromobenzene - Physico-chemical Properties
Molecular Formula | C6H3BrN2
|
Molar Mass | 183.01 |
Density | 1.72±0.1 g/cm3(Predicted) |
Melting Point | 136-140 |
Boling Point | 261.6±20.0 °C(Predicted) |
Flash Point | 112.037°C |
Vapor Presure | 0.011mmHg at 25°C |
Appearance | Crystalline powder |
Color | White to Yellow to Orange |
pKa | -2.66±0.10(Predicted) |
Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
Refractive Index | 1.612 |
MDL | MFCD00234141 |
5-(4-tetrahydropyranyl)-1,3-dibromobenzene - Risk and Safety
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin.
R41 - Risk of serious damage to eyes
R37/38 - Irritating to respiratory system and skin.
R22 - Harmful if swallowed
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S39 - Wear eye / face protection.
S24/25 - Avoid contact with skin and eyes.
|
UN IDs | 3439 |
WGK Germany | 3 |
HS Code | 29333990 |
Hazard Note | Irritant/Keep Cold |
Hazard Class | IRRITANT |
Packing Group | Ⅲ |
5-(4-tetrahydropyranyl)-1,3-dibromobenzene - Introduction
2-Bromo-5-cyanopyridine (2-Bromo-5-cyanopyridine) is an organic compound. Here are some information about its nature, use, formulation and safety:
Nature:
-Appearance: colorless crystal or solid
-Molecular formula: C6H3BrN2
-Molecular weight: 173.01g/mol
-Solubility: Soluble in some organic solvents, such as ethanol, dimethyl sulfoxide and acetonitrile
-Melting point: 84-87 degrees Celsius
Use:
-2-Bromo-5-cyanopyridine is often used as an intermediate in organic synthesis and is used in the synthesis of other organic compounds.
-It can be used to synthesize various functional pyridine compounds, such as drugs, pesticides and dyes.
Preparation Method:
-2-bromo-5-cyanopyridine A common preparation method is obtained by the reaction of aniline with cyanobromide. The specific step is to first react aniline with sodium hydroxide to produce sodium aniline, and then react sodium aniline with cyanogen bromide to obtain 2-bromo-5-cyanopyridine.
Safety Information:
-2-Bromo-5-cyanopyridine is a chemical that requires careful handling and safe operating procedures.
-It may be irritating to the skin, eyes and respiratory tract, so wear appropriate protective equipment such as gloves, goggles and protective mask when used.
-During storage and handling, avoid contact with oxidants and strong acids, and avoid exposure to open flames or high temperatures.
-In the event of accidental inhalation, accidental contact or ingestion, seek medical help immediately and go to the doctor with the product label or instructions. Timely treatment may reduce potential hazards.
Please note that when handling chemicals, refer to relevant literature and safety manuals on a case-by-case basis to ensure safe operation.
Last Update:2024-04-09 20:49:11