Overview
Iodopropynyl butylcarbamate (CAS 55406-53-6 ), commonly known as IPBC or iodocarb, is a broad-spectrum fungicide and bactericide used as a preservative across industrial and personal care formulations.
It delivers effective protection against mold, mildew, and wood-rotting fungi at low use concentrations, making it a practical active ingredient for formulators managing microbial spoilage.
In architectural and industrial coatings, IPBC prevents fungal degradation of paint films, particularly in exterior wood coatings and emulsion paints where mildew resistance is a key performance requirement.
Wet-state and dry-film preservation of adhesives, sealants, and construction materials such as caulks and jointing compounds represents another significant use case for this chemical.
Textile and leather processors incorporate it into treatment baths to protect finished goods from fungal attack during storage and transit. In personal care products, it is used as a preservative booster.
IPBC is supplied as a white to off-white crystalline powder and in liquid concentrate form, often pre-dissolved in glycol carriers for easier incorporation into various manufacturing processes.
Standard technical grades are available at 98%+ purity, with cosmetic-grade material meeting relevant regulatory specifications for personal care use. Packaging ranges from small drums to bulk quantities.
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Physical Properties
| Melting Point | 64-68 °C(lit.) |
| Boiling Point | 321.8±25.0 °C(Predicted) |
| Density | 1.606±0.06 g/cm3(Predicted) |
| Appearance | Liquid |
| Color | White to Almost white |
| Form | neat |
| Water Solubility | 168mg/L at 20℃ |
| Vapor Pressure | 0.005Pa at 25℃ |
| Log P | 2.81 at 25℃ |
Safety & Handling
Danger GHS05 GHS06 GHS08 GHS09 GHS07 Hazard Statements H302 Harmful if swallowed H315 Causes skin irritation H317 May cause an allergic skin reaction H318 Causes serious eye damage H331 Toxic if inhaled H332 Harmful if inhaled H335 May cause respiratory irritation H372 Causes damage to organs through prolonged or repeated exposure H373 May causes damage to organs through prolonged or repeated exposure H400 Very toxic to aquatic life H410 Very toxic to aquatic life with long lasting effects H302+H332 Harmful if swallowed or if inhaled Precautionary Statements P260 Do not breathe dust/fume/gas/mist/vapours/spray. 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. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P316 Get emergency medical help immediately. P317 Get emergency medical help. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P391 Collect spillage. 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. P333+P317 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+P354+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 | 29241990 |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 55406-53-6
- EC Number
- 259-627-5
- Mol. Weight
- 281.09
- HS Code
- 29241990
- Category
- Pharmaceutical Intermediates