Benzoic acid
CAS Number: 65-85-0
Chemical Formula: C7H6O2
Appearance: White crystalline solid
Synonyms:
Benzenecarboxylic acid
Dracylic acid
Carboxybenzene
HS Code: 29163100
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Benzoic acidCAS#65-85-0 is a naturally occurring aromatic carboxylic acid. It appears as a colorless or white crystalline solid with a faint, pleasant odor. It is widely used as a food preservative, antifungal agent, and intermediate in organic synthesis. It is soluble in ethanol, ether, and slightly soluble in water. It is stable under ordinary conditions and incompatible with strong bases, oxidizing agents, and metals.
Parameters
| Property | Value |
| Melting point | 122.4 °C (lit.) |
| Boiling point | 249.2 °C (lit.) |
| density | 1.265 g/mL at 25 °C (lit.) |
| vapor density | 4.21 (vs air) |
| vapor pressure | 0.001 mm Hg (25 °C) |
| refractive index | n20/D 1.5397(lit.) |
| FEMA | 2131 | BENZOIC ACID |
| Fp | 121 °C |
| storage temp. | Store at +5°C to +30°C. |
| solubility | Slightly soluble in water; soluble in ethanol, ether, acetone |
| form | Solid |
| color | White |
| Odor | Faint, sweet, aromatic |
| Odor Threshold | 0.08 ppm |
| Water Solubility | 3.4 g/L (25 °C) |
| pKa | 4.20 (25 °C) |
| Stability | Stable. Incompatible with strong bases, oxidizing agents. |
| LogP | 1.87 |
| CAS DataBase Reference | 65-85-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzoic acid(65-85-0) |
| EPA Substance Registry System | Benzoic acid (65-85-0) |
Safety Information
| Item | Value |
| Hazard Codes | Xn |
| Risk Statements | 22-36-37-38-40 |
| Safety Statements | 26-36-45 |
| RIDADR | UN 3077 9/PG 3 |
| OEB | A |
| WGK Germany | 1 |
| RTECS | DH0875000 |
| Autoignition Temperature | 570 °C |
| TSCA | TSCA listed |
| HS Code | 29163100 |
| HazardClass | 9 |
| PackingGroup | III |
| Storage Class | 9 – Miscellaneous dangerous substances |
| Toxicity | LD50 orally in rats: 2.5 g/kg |
| IDLH | 1500 mg/m3 |
Product Application
Benzoic acid is widely used as a preservative in foods, beverages, cosmetics, and pharmaceuticals. It serves as an intermediate for plasticizers, perfumes, dyes, and insect repellents. It also functions as a precursor for sodium benzoate and other benzoate derivatives.
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