Overview
Resorcinol (CAS 108-46-3 ), also known as Resorzin, is a dihydric phenol used across rubber, pharmaceutical, and personal care industries as a bonding agent and chemical intermediate.
Its reactivity with resins and proteins makes it a reliable functional input across structurally diverse manufacturing processes. In rubber and tire manufacturing, it is a core component of latex systems.
These systems bond textile cords and fabrics to rubber compounds to improve structural integrity in tires and conveyor belts. Pharmaceutical formulators use it as an active ingredient in topical preparations.
It targets acne, seborrheic dermatitis, and keratotic skin conditions, where it acts as a keratolytic agent. In hair color formulations, it functions as a coupling component that develops color when combined.
It also serves as a key intermediate in the synthesis of UV absorbers, flame retardants, and specialty resins used in coatings and adhesives. The material is supplied as white to off-white crystalline flakes.
Standard commercial grades include technical and pharmaceutical-grade material meeting USP and BP specifications. Bulk supply is available in fiber drums or bags for industrial use.
Pharmaceutical-grade material typically requires tighter purity and packaging controls. This ensures the product meets the rigorous safety standards required for medical and personal care applications.
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Physical Properties
| Melting Point | 109-111 °C |
| Boiling Point | 280 °C |
| Density | 1.2717 g/cm³ |
| Flash Point | 340 °F |
| Appearance | Resorcinol is a white crystalline solid with a characteristic odor and a sweetish taste. Turns pink on expo- sure to air or light, or contact with iron. |
| Color | white |
| Odor | at 1.00 % in propylene glycol. nutty creamy phenolic hawthorn musty |
| Form | Liquid |
| Water Solubility | 140 g/100 mL |
| Vapor Pressure | 1 mm Hg ( 21.1 °C) |
| Refractive Index | 1.5781 |
| pH | 4-6 (100g/l, H2O, 20℃) |
| Log P | 0.8 at 20℃ |
Safety & Handling
Danger GHS07 GHS08 GHS09 GHS05 Hazard Statements H302 Harmful if swallowed H313 May be harmful in contact with skin H315 Causes skin irritation H317 May cause an allergic skin reaction H318 Causes serious eye damage H319 Causes serious eye irritation H333 May be harmful if inhaled H370 Causes damage to organs H371 May cause damage to organs H372 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 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. 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. 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+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P317 Get emergency medical help. P308+P316 Get emergency medical help immediately. P332+P317 Get emergency medical help. P333+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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. 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 | 29072100 |
| UN Number | 2876 |
| ADR Class | 6.1 |
| Packing Group | III |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| WGK (Germany) | 2 |
Other Names
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Chemical Properties
- CAS Number
- 108-46-3
- EC Number
- 203-585-2
- Mol. Weight
- 110.11
- HS Code
- 29072100
- Category
- Pigments & Colorants