Overview
tert-Butylacrylamide (CAS 107-58-4 ), commonly abbreviated as TBA, is a hydrophobic acrylamide monomer used to modify the functional properties of polymers across industrial and specialty applications.
Its incorporation into copolymer systems allows formulators to tune hydrophobicity, surface adhesion, and rheological behavior in finished products. In personal care, TBA is copolymerized with acrylic acid.
This process produces film-forming polymers and rheology modifiers used in hair fixatives, styling gels, and skin-care formulations. Water treatment chemicals rely on TBA-based copolymers to improve performance.
These polymers enhance flocculant performance and sludge dewatering efficiency in industrial effluent systems. Coatings and adhesives manufacturers incorporate TBA to enhance water resistance and substrate adhesion.
It is frequently utilized in architectural and industrial coating resins. In textile and paper processing, TBA copolymers function as surface-sizing agents and finishing auxiliaries that improve wet strength.
These additives also improve surface uniformity across various substrates. tert-Butylacrylamide is supplied as a white crystalline solid or powder for industrial use.
Technical-grade material is the standard commercial form, with purity levels typically at 97–99% suitable for polymerization use. Inhibited grades containing an inhibitor are available for safe storage.
These specialized grades ensure stability during transport and long-term warehousing. The material meets rigorous industrial specifications for high-performance chemical manufacturing and synthesis.
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Physical Properties
| Melting Point | 120-124 °C |
| Boiling Point | 235.98°C (rough estimate) |
| Density | 0.977 g/cm³ |
| Appearance | white to off-white powder or chunks |
| Color | White to off-white |
| Form | Powder or Chunks |
| Water Solubility | 1g/L at 30℃ |
| Vapor Pressure | 0.385Pa at 25℃ |
| Refractive Index | 1.4830 (estimate) |
| Log P | 1.45 at 25℃ |
Safety & Handling
Warning GHS07 Hazard Statements H302 Harmful if swallowed H319 Causes serious eye irritation Precautionary Statements P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P330 Rinse mouth. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. 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 | 29241990 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 107-58-4
- EC Number
- 203-505-6
- Mol. Weight
- 127.18
- HS Code
- 29241990
- Category
- Polymers & Resins