Overview
Bis(2-ethylhexyl) tetrabromophthalate (CAS 26040-51-7 ), also known commercially as TBPH or BEH-TEBP, is a brominated additive that delivers both flame retardancy and plasticizing performance within a single component.
It is used across polymer and elastomer systems where halogenated flame protection is required without sacrificing material flexibility. In flexible PVC and polyurethane formulations, it functions as a reactive-compatible plasticizer.
This additive simultaneously meets flame retardancy standards, reducing the need for separate additive packages. Electronics manufacturers use it in wire and cable insulation, connector housings, and circuit board coatings.
It is essential where UL flame ratings must be maintained in flexible substrates. Automotive and aerospace interior components, including seating foams, gaskets, and panel linings, rely on it to meet fire performance specifications.
These applications require retaining mechanical flexibility under various conditions. Building and construction applications include flame-retardant sealants, adhesives, and flexible roofing membranes for long-term performance.
Bis(2-ethylhexyl) tetrabromophthalate is supplied as a clear to pale yellow viscous liquid. Technical grade is the standard commercial form, with bromine content typically around 46% used as a key specification reference.
This percentage serves as a primary metric for procurement and QC purposes. Bulk liquid and intermediate container (IBC) formats are the common supply configurations for industrial buyers and large-scale manufacturing.
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Physical Properties
| Boiling Point | 584.8±45.0 °C(Predicted) |
| Density | 1.529±0.06 g/cm3(Predicted) |
| Color | Colourless to Pale Yellow |
| Form | Oil |
| Water Solubility | 794μg/L at 20℃ |
| Vapor Pressure | 0Pa at 25℃ |
| Log P | 10.2 at 25℃ |
Safety & Handling
Warning GHS07 GHS09 Hazard Statements H317 May cause an allergic skin reaction H319 Causes serious eye irritation H400 Very toxic to aquatic life H410 Very toxic to aquatic life with long lasting effects Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 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. P321 Specific treatment (see … on this label). P391 Collect spillage. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. 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.
Other Names
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Chemical Properties
- CAS Number
- 26040-51-7
- EC Number
- 247-426-5
- Mol. Weight
- 706.1
- Category
- Flame Retardants