Benzoic Acid
Names and Identifiers
Name
Benzoic acid
Synonyms
210
benzoate
a 1 (acid)
Benzyl acid
Benzoic acid
SS Benzoic Acid
Acide benzoique
4-Carboxypolystyrene
Benzoic acid, USP Grade
Benzoic aBenzoic ...
Category：Food Additives
Introduction
Names and Identifiers
| Name | Benzoic acid |
| Synonyms | 210 benzoate a 1 (acid) Benzyl acid Benzoic acid SS Benzoic Acid Acide benzoique 4-Carboxypolystyrene Benzoic acid, USP Grade Benzoic aBenzoic acidcid Mefenamic Acid Impurity D Industrial-use benzoic acid Benzoic-12C7 acid, 13C-depleted Melting point standard benzoic acid Glycopyrronium Bromide EP Impurity D |
| CAS | 65-85-0 |
| EINECS | 200-618-2 |
| InChI | InChI=1/C7H6O2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H,8,9)/p-1 |
| InChIKey | WPYMKLBDIGXBTP-UHFFFAOYSA-N |
65-85-0 – Physico-chemical Properties
| Molecular Formula | C7H6O2 |
| Molar Mass | 122.12 |
| Density | 1.08 |
| Melting Point | 121-125°C(lit.) |
| Boling Point | 249°C(lit.) |
| Flash Point | 250°F |
| JECFA Number | 850 |
| Water Solubility | Slightly soluble. 0.34 g/100 mL |
| Solubility | Slightly soluble in water, soluble in ethanol, methanol, ether, chloroform, benzene, toluene, carbon disulfide, carbon tetrachloride and turpentine. |
| Vapor Presure | 10 mm Hg ( 132 °C) |
| Vapor Density | 4.21 (vs air) |
| Appearance | White crystalline powder |
| Color | White to yellow-beige to orange |
| Merck | 14,1091 |
| BRN | 636131 |
| pKa | 4.19(at 25℃) |
| PH | 3.66(1 mM solution);3.12(10 mM solution);2.6(100 mM solution); |
| Storage Condition | 2-8°C |
| Stability | Stable. Combustible. Incompatible with strong bases, strong oxidizing agents, alkalies. |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.504 |
| MDL | MFCD00002398 |
| Physical and Chemical Properties | Scaly or needle-like crystals. Has the odor of benzene or formaldehyde. slightly soluble in water, soluble in ethanol, methanol, ether, chloroform, benzene, toluene, carbon disulfide, carbon tetrachloride and turpentine. |
| Use | It is used in the production of medicines, dye carriers, plasticizers, spices and food preservatives, and also used in the performance improvement of alkyd resin coatings; It is used as an intermediate for pharmaceuticals and dyes, and is used in the preparation of plasticizers and perfumes, etc, also as a rust inhibitor for iron and steel equipment |
65-85-0 – Risk and Safety
| Risk Codes | R22 – Harmful if swallowed R36 – Irritating to the eyes R42/43 – May cause sensitization by inhalation and skin contact. R36/37/38 – Irritating to eyes, respiratory system and skin. R40 – Limited evidence of a carcinogenic effect R63 – Possible risk of harm to the unborn child R43 – May cause sensitization by skin contact R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed. R45 – May cause cancer R41 – Risk of serious damage to eyes R37/38 – Irritating to respiratory system and skin. R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. R48/23 – R38 – Irritating to the skin R67 – Vapors may cause drowsiness and dizziness R37 – Irritating to the respiratory system |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S37/39 – Wear suitable gloves and eye/face protection S24 – Avoid contact with skin. S22 – Do not breathe dust. S36/37 – Wear suitable protective clothing and gloves. S24/25 – Avoid contact with skin and eyes. S23 – Do not breathe vapour. S53 – Avoid exposure – obtain special instructions before use. S36 – Wear suitable protective clothing. S63 – S39 – Wear eye / face protection. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 1 |
| RTECS | DG0875000 |
| FLUKA BRAND F CODES | 21 |
| TSCA | Yes |
| HS Code | 2916 31 00 |
| Hazard Note | Harmful |
| Toxicity | LD50 orally in Rabbit: 1700 mg/kg LD50 dermal Rabbit > 5000 mg/kg |
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