3-Ethoxy-4-hydroxybenzaldehyde

Basic Information

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CAS Number

121-32-4

Molecular Formula

C9H10O3

Molecular Weight

166.18 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

Melting Point

74-77 °C

Boiling Point

285 ºC

Solubility

2.82g/l

Refractive Index

1.4500 (estimate)

Vapor Pressure

<0.01 mmHg ( 25 °C)

SMILES

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CCOc1cc(C=O)ccc1O

InChI

InChI=1S/C9H10O3/c1-2-12-9-5-7(6-10)3-4-8(9)11/h3-6,11H,2H2,1H3

InChIKey

CBOQJANXLMLOSS-UHFFFAOYSA-N

LogP

1.6034

Topological Polar Surface Area

46.53 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

147

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

Sensitiveness

Light Sensitive

Toxicity

LD50 orally in rats: >2000 mg/kg, P. M. Jenner et al., Food Cosmet. Toxicol. 2, 327 (1964)

Synonyms & References

English

3-Ethoxy-4-hydroxybenzaldehyde
Ethyl vanillin
protocatechualdehyde ethyl ether
Bourbonal
Ethyl protal
Ethyl protocatechualdehyde 3-ethyl ether
ETHYLVANILLIN(AS)
3-ethoxy
3-Ethoxy-4-hydroxybenzaldehyde,Ethylvanillin
4-hydroxy-3-ethoxybenzaldehyde
4-OH-3-OEtC6H3CHO
burbonal
Ethavan
ETHOVAN
FEMA 2464
Vanbeenol
Vanilal
VANILLAL
Vanirom
vanirome
NSC 1803
NSC 67240
3-ethoxy-
Ethylvanillin
Ethylprotal
Quantrovanil
Benzaldehyde, 3-ethoxy-4-hydroxy-
Vanillin, ethyl-
Rhodiarome
2-Ethoxy-4-formylphenol
Protocatechuic aldehyde ethyl ether

MDL Number

MFCD00006944

Customs Code

2912420000

FAQ

What is 3-Ethoxy-4-hydroxybenzaldehyde (CAS: 121-32-4)?

3-Ethoxy-4-hydroxybenzaldehyde (CAS: 121-32-4) is an aromatic aldehyde containing both ethoxy and hydroxy functional groups. Its chemical formula is C9H10O3, and it is typically a yellowish solid with a characteristic odor. It is known for its solubility in organic solvents and is used in various chemical applications due to its reactivity and functional group versatility.

What are the main uses of 3-Ethoxy-4-hydroxybenzaldehyde (CAS: 121-32-4)?

3-Ethoxy-4-hydroxybenzaldehyde (CAS: 121-32-4) is primarily used in pharmaceutical research as a building block for drug development. It also finds applications in organic synthesis, fragrance chemistry, and as an intermediate in the production of dyes and pesticides. Its unique structure makes it valuable in the creation of bioactive molecules and specialty chemicals.

Is 3-Ethoxy-4-hydroxybenzaldehyde (CAS: 121-32-4) safe?

3-Ethoxy-4-hydroxybenzaldehyde (CAS: 121-32-4) is generally considered safe when handled properly, but it should be treated with caution. It may cause eye and skin irritation, so protective measures such as gloves and safety goggles are recommended. Safety data sheets (SDS) should be consulted for detailed handling and disposal guidelines.

How should 3-Ethoxy-4-hydroxybenzaldehyde (CAS: 121-32-4) be stored?

3-Ethoxy-4-hydroxybenzaldehyde (CAS: 121-32-4) should be stored in a cool, dry, and dark place to maintain stability. It is best kept in a sealed container away from moisture and air to prevent degradation. Storage at temperatures below 25°C is recommended to ensure long-term product integrity.