4-Methoxybenzaldehyde

Basic Information

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CAS Number

123-11-5

Molecular Formula

C8H8O2

Molecular Weight

136.15 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Aldehydes

Basic Chemical Raw Materials Organic Chemicals Ethers

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Physical State

Oil

Melting Point

−1 °C

Boiling Point

248 °C

Water Solubility

Miscible with acetone, alcohol, ether, chloroform and benzene. Immiscible with water.

Solubility

2g/l

Refractive Index

n20/D 1.573(lit.)

Vapor Pressure

0.03 mmHg

Vapor Density

4.7 (Air = 1)

Odor

Hawthorn odor

SMILES

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COc1ccc(C=O)cc1

InChI

InChI=1S/C8H8O2/c1-10-8-4-2-7(6-9)3-5-8/h2-6H,1H3

InChIKey

ZRSNZINYAWTAHE-UHFFFAOYSA-N

LogP

1.5076999999999998

Topological Polar Surface Area

26.3 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

104

Safety Information

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GHS Hazard Pictograms

H302

H315

H319

H335

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class IRRITANT Class IRRITANT

Storage Conditions

2-8℃

Sensitiveness

Air Sensitive

Explosive Limit

1.4-5.3%(V)

Toxicity

LD50 orally in rats: 1510 mg/kg (Jenner)

Synonyms & References

English

4-Methoxybenzaldehyde
AnisaldehydeMetoxybenzaldehyd
aubepine
4-Methoxybenzylaldehyde
Anisic Aldehyde
p-methoxybenzaldehyde
4-methoxy-benzaldehyd
Anisal
Benzaldehyde,4-methoxy-
Methyl-p-oxybenzaldehyde
Obepin
p-Formylanisole
p-Methoxybenzafdehyde
PARA ANISALDEHYDE
PARA ANISIC ALDEHYDE
P-ANISIC ALDEHYDE
FEMA 2670
AUBE'PINE
ANISALDEHYDE
ANISALDEHYDE,4-
ANISIC ALDEHYDE-P
4-ANISALDEHYDE
p-Anisaldehyde
p-Anisaldehyde (contains Acetic Acid, H2SO4)Ethanol Solution[for TLC Stain]
ANISALDEHYDE, 4-(AS)
ANISALDEHYDE, 4-(RG)
4-Methoxybenzald
Anisaldehyd
NSC 5590
Aubépine
对甲氧基苯甲醛

MDL Number

MFCD00003385

Customs Code

29124900

FAQ

What is 4-Methoxybenzaldehyde (CAS: 123-11-5)?

4-Methoxybenzaldehyde (CAS: 123-11-5) is a substituted aromatic aldehyde with the chemical formula C8H8O2. It features a benzene ring with a methoxy (-OCH3) group at the 4th position and an aldehyde (-CHO) functional group. This compound is a colorless liquid with a fragrant, sweet odor, commonly used in organic synthesis. It is soluble in ethanol and other organic solvents but has limited solubility in water. Its structure makes it valuable in creating complex molecules for various applications.

What are the main uses of 4-Methoxybenzaldehyde (CAS: 123-11-5)?

4-Methoxybenzaldehyde (CAS: 123-11-5) is widely used in pharmaceuticals as an intermediate for drug synthesis. It finds applications in the fragrance and flavor industry due to its aromatic properties. Additionally, it is employed in the production of dyes, resins, and pesticides. In research, it serves as a building block for developing new materials. Its versatility makes it a key compound in multiple industrial sectors.

Is 4-Methoxybenzaldehyde (CAS: 123-11-5) safe?

4-Methoxybenzaldehyde (CAS: 123-11-5) is generally considered low toxicity when handled properly. However, it may cause mild skin or eye irritation. Safety precautions include using personal protective equipment (PPE) like gloves and goggles. It is not classified as a hazardous substance under major regulations but should still be managed according to standard chemical safety protocols. Always consult safety data sheets (SDS) for detailed handling guidelines.

How should 4-Methoxybenzaldehyde (CAS: 123-11-5) be stored?

4-Methoxybenzaldehyde (CAS: 123-11-5) should be stored in a cool, dry place away from direct light. Use airtight containers made of glass or high-density polyethylene (HDPE) to prevent contamination. Maintain storage temperature below 25°C and control humidity to ensure stability. Avoid exposure to air and moisture to prevent degradation. Proper storage extends shelf life and maintains chemical integrity.