Home › Chemicals › Benzoic Acid CAS 65-85-0: Benzoic Acid (C7H6O2) Identity CAS Number 65-85-0 Molecular Formula C7H6O2 IUPAC Name benzoic acid Molecular Weight 122.12 g/mol SMILES c1ccc(cc1)C(=O)OSynonyms benzoic acid, benzene carboxylic acid, phenylformic acid, dracylic acid
2D Structure
Physical Properties Density 1.266 g/mL at 25°C Boiling Point 249.0°C Melting Point 122.4°C Flash Point 121.0°C Vapor Pressure 0.001 kPa at 20°C Refractive Index nD = 1.539 Dielectric Constant ε = 6.0
Safety & GHS Classification GHS05 Irritant
H302: Harmful if swallowed H315: Causes skin irritation H318: Causes serious eye damage H335: May cause respiratory irritation Storage: Store in a cool, dry area. Keep container tightly sealed. Solid at room temperature — sublimes slowly. Store away from strong bases, oxidizers, and reducing agents.
Material Compatibility Matrix Plastics Material Rating PTFE Excellent PVC Good PE Excellent PP Excellent PEEK Excellent PVDF Excellent
Rubbers Material Rating Viton Excellent NBR Good EPDM Excellent Silicone Good FKM Excellent
Metals Material Rating Stainless 316 Excellent Aluminum Good Copper Fair Brass Fair
Applications Food preservative (E210 — antimicrobial) Pharmaceutical antifungal agent (Whitfield's ointment) Plasticizer and stabilizer for PVC Chemical intermediate for benzoyl peroxide Perfume fixative Dye and pigment intermediate Rubber vulcanization retarder Tobacco flavor additive External References: PubChem
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