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m-toluic acid

CAS Number
99-04-7
EC Number
202-723-9
Chemical Formula
C8H8O2
Molecular Weight
136.15 g/mol

Description

m-Toluic acid (CAS 99-04-7 ), also known as 3-MBA, is an aromatic carboxylic acid used as a building block and functional intermediate across pharmaceutical synthesis, specialty coatings, and preservation applications. Its reactivity as an acid intermediate makes it a reliable starting material where controlled esterification or salt formation is required. In pharmaceutical manufacturing, 3-MBA serves as a key intermediate in synthesis. This is particularly useful where a substituted benzoic acid scaffold is required. Coatings and resin formulators use it as a catalyst precursor or crosslinking component to influence cure rates and film performance. In preservation systems, it functions as a biocidal agent in industrial formulations where microbial control is needed without relying on halogenated compounds. This ensures safety and efficacy in various systems. Personal care chemists incorporate it into select formulations as an antioxidant stabilizer to extend product shelf life. This versatility makes it a staple for formulators looking for reliable chemical stability. m-Toluic acid is supplied as a white to off-white crystalline powder. Standard commercial grades include technical and pharmaceutical-grade material, with pharma-grade product typically meeting USP or BP specifications. Bulk quantities are available for industrial procurement alongside smaller quantities for R&D and formulation development. This ensures that both large scale manufacturers and research labs have access to the material. Contact us for supply of m-toluic acid Request Quote

Other Names (Synonyms)

meta-toluic acid | 3-toluic acid | 3-methylbenzoic acid | m-Toluylic acid | Benzoic acid, 3-methyl- | m-Methylbenzoic acid | beta-Methylbenzoic acid | beta-Bethylbenzoic acid | 3-MBA

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point108.7 °C
Boiling Point215-216 °C
Density1.054 g/mL at 25 °C(lit.)
Flash Point150 °C
AppearanceWhite to yellowish crystals. Ionization constant 5.3 × 10?5. Slightly soluble in water
soluble in alcohol and ether. Combustible.
ColorSlightly yellow to beige-yellow
OdorFloral-honey odor
FormCrystalline Solid
Water Solubility<0.1 g/100 mL at 19 ºC
Vapor Pressure0.019Pa at 25℃
Refractive Index1.509
pH3.4 (H2O, 20℃)(saturated solution)
Log P2.37

Safety & Handling

Danger
GHS05· CorrosiveGHS07· Irritant

Hazard Statements

H302Harmful if swallowed
H318Causes serious eye damage

Precautionary Statements

P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P317Get emergency medical help.
P330Rinse mouth.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P317Get emergency medical help.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29163900
Storage Class11 - Combustible Solids
WGK (Germany)3