Triton X-100
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| Names | |
|---|---|
| Other names
polyethylene glycol p-(1,1,3,3-tetramethylbutyl)-phenyl ether,
octyl phenol ethoxylate, polyoxyethylene octyl phenyl ether, 4-octylphenol polyethoxylate, Mono 30, TX-100, t-octylphenoxypolyethoxyethanol, Octoxynol-9 |
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| Identifiers | |
9002-93-1 
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| ECHA InfoCard | 100.123.919 |
| Properties | |
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C 14H 22O(C 2H 4O)n (n = 9-10) |
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| Molar mass | 647 g mol−1 |
| Appearance | viscous colourless liquid |
| Density | 1.07 g/cm3 |
| Melting point | 6 °C (43 °F; 279 K) |
| Boiling point | 270 °C (518 °F; 543 K) |
| Soluble | |
| Vapor pressure | < 1 mmHg (130 Pa) at 20 °C |
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Refractive index (nD)
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1.490-1.494 |
| Hazards | |
| Safety data sheet | MSDS |
| Flash point | 251 °C (484 °F; 524 K) |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| Infobox references | |
Triton X-100 (C
14H
22O(C
2H
4O)n) is a nonionic surfactant that has a hydrophilic polyethylene oxide chain (on average it has 9.5 ethylene oxide units) and an aromatic hydrocarbon lipophilic or hydrophobic group. The hydrocarbon group is a 4-(1,1,3,3-tetramethylbutyl)-phenyl group. It is closely related to IGEPAL CA-630 or erstwhile Nonidet P-40, which might differ from it mainly in having slightly shorter ethylene oxide chains. Thus Triton X-100 is slightly more hydrophilic than Igepal CA-630; these two detergents may not be considered to be functionally interchangeable for most applications. Triton X-100 was originally a registered trademark of Rohm & Haas Co. It was subsequently purchased by Union Carbide and then acquired by Dow Chemical Company upon the acquisition of Union Carbide. Soon afterward (in 2009), Dow also acquired Rohm & Haas Co. Other trademarks for very similar compounds include Conco NI, Dowfax 9N, Igepal CO, Makon, Neutronyx 600's, Nonipol NO, Plytergent B, Renex 600's, Solar NO, Sterox, Serfonic N, T-DET-N, Tergitol NP, Triton N etc.
Triton X detergents are distantly related to Pluronic range of detergents marketed by BASF. The pluronics are triblock copolymers of ethylene oxide and propylene oxide with the ethylene oxide segments being more hydrophilic than the propylene oxide.
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