4-Methoxybenzoic Acid

Basic Information

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CAS Number

100-09-4

Molecular Formula

C8H8O3

Molecular Weight

152.15 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ethers

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Physical State

Powder

Melting Point

181.0 to 186.0 deg-C

Boiling Point

275 ºC

Water Solubility

Soluble in water at 20°C 0.3g/L. Soluble in alcohol, ethyl acetate and ether.

Solubility

H2O: soluble2500 parts

Refractive Index

1.571-1.576

SMILES

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COc1ccc(cc1)C(=O)O

InChI

InChI=1S/C8H8O3/c1-11-7-4-2-6(3-5-7)8(9)10/h2-5H,1H3,(H,9,10)

InChIKey

ZEYHEAKUIGZSGI-UHFFFAOYSA-N

LogP

1.3934

pKa

4.50(at 25℃)

Topological Polar Surface Area

46.53 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

136

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

Stability

Stable. Incompatible with strong oxidizing agents.

Sensitiveness

Sensitive to moisture

Synonyms & References

English

4-Methoxybenzoic acid
4-ANISIC ACID
ANISIC ACID
ANISIC ACID, 4-
ANISIC ACID(P-)
FEMA 3945
'LGC' (2407)
P-METHOXYBENZOIC ACID
P-METHYLHYDROXYBENZOIC ACID
RARECHEM AL BO 0059
4-methoxy-benzoicaci
Anisic acid, para
benzoicacid,4-methoxy-
Draconic acid
Kyselina 4-methoxybenzoova
melting point standard P-anisic acid
p-Anisic Acid
ANISIC ACID, 4-(RG)
4-MeO-benzoic acid
4-methoxy-benzoic acid
4-METHOXYBENZOIC ACID (P-ANISIC ACID)
4-METHOXYBENZOIC ACID FOR SYNTHESIS
Anisic
Melting point standard 182-184C
methoxyphenyl-4-carboxylic acid
p-Anisc Acid
p-Anisic acid
p-Anissure
draconicacid
p-Anisc Acid
Benzoic acid, 4-methoxy-

MDL Number

MFCD00002542

Customs Code

2918990090

FAQ

What is 4-Methoxybenzoic Acid (CAS: 100-09-4)?

4-Methoxybenzoic Acid (CAS: 100-09-4) is an aromatic carboxylic acid with a methoxy group at the para position of the benzene ring. Its chemical formula is C8H8O3, and it appears as a white crystalline solid. It is slightly soluble in water but soluble in organic solvents like ethanol and acetone. The compound exhibits moderate solubility and is commonly used in organic synthesis due to its functional groups.

What are the main uses of 4-Methoxybenzoic Acid (CAS: 100-09-4)?

4-Methoxybenzoic Acid (CAS: 100-09-4) is widely utilized in pharmaceuticals as a precursor for drug development, in the production of dyes and pesticides, and as a food additive for preservative purposes. It also serves in research for creating derivatives and in industrial applications for polymer synthesis. The compound's versatility stems from its functional groups and reactivity.

Is 4-Methoxybenzoic Acid (CAS: 100-09-4) safe?

4-Methoxybenzoic Acid (CAS: 100-09-4) is generally considered safe when handled properly. However, it may cause mild skin or eye irritation. Safety standards recommend using gloves and avoiding inhalation. The compound is not classified as highly toxic, but standard lab safety protocols should be followed to ensure safe handling and minimize exposure.

How should 4-Methoxybenzoic Acid (CAS: 100-09-4) be stored?

4-Methoxybenzoic Acid (CAS: 100-09-4) should be stored in a cool, dry place, away from light and moisture. It is best kept in a sealed container, preferably made of glass or HDPE, to maintain stability. Storage conditions should remain below 25°C, and prolonged exposure to air may affect its quality, so it should be protected from humidity and light.