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2-Methoxybenzoic acid

Also known as o-Anisic acid, O-Methylsalicylic acid, o-Methoxybenzoic acid

CAS 579-75-9Formula C8H8O3Molar mass 152.15 g/molEC 209-447-8
GHS signal word: Warning. Pictograms: Harmful or irritant 30 suppliers listed
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2-Methoxybenzoic acid chemical structure, C8H8O3, CAS 579-75-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
579-75-9
Formula
C8H8O3
Molar mass
152.15 g/mol
EC number
209-447-8
HS code
291899
Category
Flavor ingredients

What is 2-Methoxybenzoic acid?

Plain description, key identifiers and synonyms

O-methylsalicylic acid is a methoxybenzoic acid that is the methyl ether of salicylic acid. It has a role as a non-steroidal anti-inflammatory drug and a flavouring agent. It is a conjugate acid of an O-methylsalicylate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methoxybenzoic acid
CAS number
579-75-9 CAS number cross-checkedOther or deprecated CAS: 529-75-9
EC number
209-447-8
Molecular formula
C8H8O3
UNII
49WA6Z7GZA
MDL number
MFCD00002431
InChIKey
ILUJQPXNXACGAN-UHFFFAOYSA-N
InChI
InChI=1S/C8H8O3/c1-11-7-5-3-2-4-6(7)8(9)10/h2-5H,1H3,(H,9,10)
SMILES (canonical and isomeric)
COC1=CC=CC=C1C(=O)O

Synonyms

  • o-Anisic acid
  • O-Methylsalicylic acid
  • o-Methoxybenzoic acid
  • Benzoic acid, 2-methoxy-
  • 2-Anisic acid
  • Salicylic acid methyl ether
  • 2-Methoxy-benzoic acid
  • O-Methoxy benzoic acid
  • Kyselina 2-methoxybenzoova
  • Benzoic acid,2-methoxy
  • 2-Methoxybenzoicacid
  • orthoanisic acid
  • o-Anisic Acid, 2-Methoxybenzoic Acid, NSC 3778, O-Methylsalicylic Acid, Salicylic Acid Methyl Ether, o-Methoxybenzoic Acid
  • methyl salicylic acid
  • 2-Methoxy-benzoicaci
  • anisole carboxylic acid
  • 2-methoxy benzoic acid
  • O-Anisic acid, 8CI
  • ortho-methoxybenzoic acid
  • Benzoic acid 2-methoxy-
  • 1-carboxy-2-methoxybenzene
  • o-Anisic acid, >=99%
  • 4-10-00-00130 (Beilstein Handbook Reference)
  • Methoxybenzoic acid, o-
  • 2-Methoxybenzoic acid, ReagentPlus(R), 99%
Show all 27 synonyms
  • o-Anisic acid Solution in Acetonitrile, 1000ug/mL
  • 2-Methoxybenzoic acid, Vetec(TM) reagent grade, 98%

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
152.15 g/molcalc.
Exact mass
152.0473 Dacalc.
LogP (octanol/water)
1.39calc.
Topological polar surface area
46.53 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.13calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

2-Methoxybenzoic acid suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 30 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

30 suppliers in 8 countries

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2-Methoxybenzoic acid price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • additive
  • anti-inflammatory agent
  • anti-inflammatory drug
  • antirheumatic drug
  • flavouring agent
  • food additive
  • food component
  • non-steroidal anti-inflammatory drug
  • pharmaceutical
  • physiological role

Functional uses

  • Flavouring and nutrient

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 2-Methoxybenzoic acid is traded under.

HS 2918.99Indicative HS code

Carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone)…

World exports in 2024
$1.46B
−1.1% vs 2023, imports $1.54B
2019 to 2024
Top exporters
  1. China40.0%
  2. India * partner reported26.6%
  3. Germany8.0%
Top importers
  1. United States25.6%
  2. Brazil6.7%
  3. Argentina5.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 2-Methoxybenzoic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Methoxybenzoic acid, based on the data on this page

What is 2-Methoxybenzoic acid?

O-methylsalicylic acid is a methoxybenzoic acid that is the methyl ether of salicylic acid. It has a role as a non-steroidal anti-inflammatory drug and a flavouring agent. It is a conjugate acid of an O-methylsalicylate.

What is the CAS number of 2-Methoxybenzoic acid?

The CAS registry number of 2-Methoxybenzoic acid is 579-75-9. Other or deprecated CAS numbers: 529-75-9.

What is the molecular formula and weight of 2-Methoxybenzoic acid?

The molecular formula of 2-Methoxybenzoic acid is C8H8O3 and its molar mass is 152.15 g/mol.

What is 2-Methoxybenzoic acid used for?

Known uses and roles of 2-Methoxybenzoic acid include anti-inflammatories in pharmaceuticals, flavors in food and beverage, flavoring agents in flavors and fragrances, phenolic and vanillic notes in flavors and fragrances, additive and 10 more.

Is 2-Methoxybenzoic acid hazardous?

2-Methoxybenzoic acid carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Methoxybenzoic acid?

2-Methoxybenzoic acid is usually classified under HS code 291899 (Carboxylic acids with additional oxygen function and their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Methoxybenzoic acid?

CompoundList lists 30 suppliers of 2-Methoxybenzoic acid in China, United States, India, Canada and 4 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy 2-Methoxybenzoic acid in India?

5 suppliers in India list 2-Methoxybenzoic acid on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of 2-Methoxybenzoic acid?

Suppliers quote 2-Methoxybenzoic acid on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle 2-Methoxybenzoic acid

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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