2-methylbenzoic acid | CAS No. 118-90-1

Q: What is 2-methylbenzoic acid (CAS: 118-90-1)?

2-Methylbenzoic acid, with the CAS number 118-90-1, is an aromatic carboxylic acid. It has the chemical formula C8H8O2 and is characterized by a benzene ring with a methyl group and a carboxylic acid group. It is a white crystalline solid with a sharp, acidic odor and is soluble in organic solvents.

Q: What are the main uses of 2-methylbenzoic acid (CAS: 118-90-1)?

2-Methylbenzoic acid is used in pharmaceuticals as a precursor for drug synthesis, in the fragrance industry for creating perfumes and flavorings, and in research for organic synthesis and analytical purposes. It also finds application in the production of dyes and other specialty chemicals.

Q: Is 2-methylbenzoic acid (CAS: 118-90-1) safe?

2-Methylbenzoic acid is considered hazardous due to its potential to cause skin and eye irritation. It should be handled with care, using appropriate personal protective equipment. Safety standards recommend avoiding inhalation and ingestion, and it is classified as a substance with environmental and health risks.

Q: How should 2-methylbenzoic acid (CAS: 118-90-1) be stored?

2-Methylbenzoic acid should be stored in a cool, dry, and well-ventilated place, away from light and moisture. It is best kept in a sealed container made of glass or polyethylene to maintain stability and prevent degradation over time.

2-methylbenzoic acid

Basic Information

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CAS Number

118-90-1

Molecular Formula

C8H8O2

Molecular Weight

136.15 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

102.0 to 107.0 deg-C

Boiling Point

259°C

Water Solubility

<0.1 g/100 mL at 19 ºC

Solubility

1.2g/l

Refractive Index

1.512

Vapor Pressure

0.0±0.6 mmHg at 25°C

SMILES

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CC1=CC=CC=C1C(=O)O

InChI

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

InChIKey

ZWLPBLYKEWSWPD-UHFFFAOYSA-N

LogP

1.69322

pKa

3.91(at 25℃)

Topological Polar Surface Area

37.3 Å²

Hydrogen Bond Donor/Acceptor

1 / 2

Complexity

131

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

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. Combustible. Incompatible with strong oxidizing agents, strong bases.

Sensitiveness

Sensitive to moisture

Synonyms & References

English

NSC-2193
D77873
NCGC00090891-01
CS-W020111
I889W3548N
SMR001224517
AC-5963
SCHEMBL4152
F2191-0132
2-Methylbenzoicacid
SCHEMBL10444025
SY008811
T0292
AS-10809
2-Methylbenzoic acid
bmse000557
Benzoic acid, methyl-
orthotoluate
C07215
CAS-118-90-1
WLN: QVR B1
FT-0773535
2-Benzoate
NSC 2193
FT-0649690
2-Methyl benzoic acid
3SK
MLS002152917
25567-10-6
EINECS 204-284-9
DTXSID6026161

MDL Number

MFCD00002477

Customs Code

2916391000

FAQ

What is 2-methylbenzoic acid (CAS: 118-90-1)?

2-Methylbenzoic acid, with the CAS number 118-90-1, is an aromatic carboxylic acid. It has the chemical formula C8H8O2 and is characterized by a benzene ring with a methyl group and a carboxylic acid group. It is a white crystalline solid with a sharp, acidic odor and is soluble in organic solvents.

What are the main uses of 2-methylbenzoic acid (CAS: 118-90-1)?

2-Methylbenzoic acid is used in pharmaceuticals as a precursor for drug synthesis, in the fragrance industry for creating perfumes and flavorings, and in research for organic synthesis and analytical purposes. It also finds application in the production of dyes and other specialty chemicals.

Is 2-methylbenzoic acid (CAS: 118-90-1) safe?

2-Methylbenzoic acid is considered hazardous due to its potential to cause skin and eye irritation. It should be handled with care, using appropriate personal protective equipment. Safety standards recommend avoiding inhalation and ingestion, and it is classified as a substance with environmental and health risks.

How should 2-methylbenzoic acid (CAS: 118-90-1) be stored?

2-Methylbenzoic acid should be stored in a cool, dry, and well-ventilated place, away from light and moisture. It is best kept in a sealed container made of glass or polyethylene to maintain stability and prevent degradation over time.