Overview
Ammonium benzoate (CAS 1863-63-4 ), also known commercially as Vulnoc AB, is the ammonium salt of benzoic acid used across food, pharmaceutical, personal care, and industrial formulations.
It functions primarily as a preservative, pH buffer, and catalyst precursor, depending on the application sector. In rubber and elastomer processing, it acts as a vulcanization accelerator and stabilizer.
This helps manufacturers control cure rates in latex and compounded rubber systems. Food and beverage producers use it as an antimicrobial preservative to extend shelf life in acidic products.
In personal care and cosmetic formulations, it contributes to preservation and pH regulation, particularly in rinse-off and leave-on products targeting microbial stability for long-term storage.
Pharmaceutical manufacturers incorporate it as a buffering agent and preservative in topical and oral preparations requiring controlled acidity. It is supplied as a white crystalline powder or granules.
Food-grade and pharmaceutical-grade material is available to FCC , USP , and BP specifications, supporting regulated applications across multiple global sectors.
Technical-grade material is also offered for industrial uses such as coatings, adhesives, and rubber processing. This versatile chemical ensures stability and performance in diverse manufacturing environments.
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Physical Properties
| Melting Point | 198 °C (decomp) |
| Boiling Point | 255.1°C (rough estimate) |
| Density | 1.260 g/cm³ |
| Flash Point | 110°(230°F) |
| Appearance | white crystals |
| Color | White to off-white |
| Odor | Ammonical odour |
| Form | Crystals |
| Water Solubility | soluble |
| Vapor Pressure | 0.214Pa at 20℃ |
| Refractive Index | 1.5029 (estimate) |
| pH | 6.4 (100g/l, H2O, 20℃) |
| Log P | -0.399 at 25℃ |
Safety & Handling
Warning GHS07 Hazard Statements H302 Harmful if swallowed H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29163100 |
| UN Number | 3077 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 1863-63-4
- EC Number
- 217-468-9
- Mol. Weight
- 139.15
- HS Code
- 29163100
- Category
- Organic Acids