Benzaldehyde, 4-hydroxy-2-methyl-

Benzaldehyde, 4-hydroxy-2-methyl- - Names and Identifiers

Name	4-Hydroxy-2-methylbenzaldehyde
Synonyms	4-Hydroxy-2-methylbenzaldehyde 4-HYDROXY-2-METHYLBENZALDEHYDE Benzaldehyde, 4-hydroxy-2-methyl- 4-Hydroxy-2-methylbenzenecarbaldehyde 4-Hydroxy-o-tolualdehyde. m-Cresol-4-aldehyde. 4,2
CAS	41438-18-0
InChI	InChI=1/C8H8O2/c1-6-4-8(10)3-2-7(6)5-9/h2-5,10H,1H3

Benzaldehyde, 4-hydroxy-2-methyl- - Physico-chemical Properties

Molecular Formula	C8H8O2
Molar Mass	136.15
Density	1.175±0.06 g/cm3(Predicted)
Melting Point	104-107°C
Boling Point	205-207 °C(Press: 18 Torr)
Flash Point	110.4°C
Vapor Presure	0.00556mmHg at 25°C
Appearance	Crystalline powder
pKa	7.89±0.18(Predicted)
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C
Refractive Index	1.601

Benzaldehyde, 4-hydroxy-2-methyl- - Risk and Safety

Risk Codes	R36/37/38 - Irritating to eyes, respiratory system and skin. R52 - Harmful to aquatic organisms R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin.
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.

Benzaldehyde, 4-hydroxy-2-methyl- - Introduction

It is also called as an organic compound. The following is a description of the nature, use, preparation and safety information of the substance:

Nature:
-Appearance: White crystalline solid
-Molecular formula: C8H8O2
-Molecular weight: 136.15g/mol
-melting point: 45-47 ℃
-Boiling point: 121-122 ℃
-Relative density: 1.17
-Solubility: Slightly soluble in water, soluble in organic solvents such as alcohols, ethers and ketones
-Chemical properties: It is an aldehyde compound, which has the reactivity of aldehydes and can undergo reactions such as carbonyl reduction and carbonyl oxidation.

Use:
-It can be used as an intermediate in organic synthesis and is widely used in the manufacture of chemicals such as drugs, dyes and flavors.
-It is also used as a catalyst and ligand in organic synthesis.

Preparation Method:
It can be prepared by hydrogenation reduction of 4-methylbenzonitrile (4-Methylbenzonitrile). The choice of specific reaction conditions and catalyst will affect yield and purity.

Safety Information:
In the case of correct handling and storage, the safety risk is low. But still need to pay attention to the following points:
-Avoid contact with skin and eyes. In case of contact, flush with plenty of water and seek medical help if necessary.
-Separate from other chemicals to avoid contact with oxidants, acids and combustibles.
-In use and storage, need to maintain good ventilation.
-Avoid inhaling powders or generated gases. Wear appropriate protective gloves, glasses and masks when using.
-For specific safe handling of these compounds, please refer to the relevant Material Safety Data Sheet (MSDS). Read and understand the safety and risk information before handling and using the substance.

Last Update：2024-04-09 15:17:57