M-Toluic Acid CAS No. 99-04-7

M-Toluic Acid

CAS No.: 99-04-7 | EC No.: 202-723-9

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1. Chemical Identification

Property	Specification
IUPAC Name	3-methylbenzoic acid
Molecular Formula	C₈H₈O₂
Molecular Weight	136.15 g/mol
Appearance	Slightly yellow to beige crystalline solid
Melting Point	107-113°C
Boiling Point	263°C
Refractive Index	1.509
pKa	4.27 (at 25°C)
pH	3.69 (1mM), 3.15 (10mM), 2.64 (100mM)

Synonyms:
3-Methylbenzoic acid, m-Toluylic acid

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2. Key Applications

Agrochemical Industry

Mosquito Repellent Production:
✓ N,N-Diethyl-m-toluamide (DEET) precursorPesticide Intermediates:
✓ m-Toluoyl chloride synthesis
✓ m-Tolunitrile production

Pharmaceutical Sector

Drug Synthesis: Building block for active ingredients

Chemical Manufacturing

Fragrance Compounds: Intermediate for musk productionPolymer Additives: Modifier for specialty resins

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3. Product Advantages

✔ High Purity – Ensures consistent reaction yields
✔ Versatile Intermediate – Multiple derivative pathways
✔ Process Efficiency – Optimized for industrial scale production

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4. Physical & Chemical Properties

Solubility:Water: 1.7 g/L at 20°COrganic solvents: Soluble in ethanol, etherVapor Pressure: 0.001 mmHg at 25°C

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5. Handling & Storage

Parameter	Requirement
Storage Temp	15-25°C (dry environment)
Packaging	25kg fiber drums with liner
Shelf Life	36 months
Special Notes	Keep container tightly closed

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6. Safety Information

Warning!

H315: Causes skin irritationH319: Causes serious eye irritationH335: May cause respiratory irritation

Protective Measures:

P261: Avoid breathing dustP305+P351+P338: Eye contact rinse procedureP302+P352: Skin contact washing instructions

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7. Quality Specifications

Purity: ≥99% (GC)Moisture Content: ≤0.5%Ash Content: ≤0.1%

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Disclaimer:
This technical information is for professional use only. Proper ventilation and PPE are required during handling. Compliance with local chemical regulations is mandatory.

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