Polysilicone-15
Names | |
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IUPAC names α-(trimethylsilyl)- ω-(trimethylsilyloxy)poly[oxy(dimethyl)silylene]- co-[oxy(methyl)(2-{4-[2,2-bis(ethoxycarbonyl)vinyl]phenoxy}- 1-methyleneethyl)silylene]- co-[oxy(methyl)(2-(4-[2,2-bis(ethoxycarbonyl)vinyl]phenoxy)prop-1-enyl)silylene] | |
Other names Parsol SLX | |
Identifiers | |
CAS Number |
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ChemSpider |
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ECHA InfoCard | 100.102.446 |
UNII |
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Properties | |
Appearance | colorless or pale yellow liquid |
Solubility in water | practically insoluble |
Solubility in organic solvents of medium polarity | soluble |
Pharmacology | |
Routes of administration | local |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references |
Chemical compound
Polysilicone-15 (INCI) is an organic compound used in hair products like shampoos, conditioners, hair sprays, pomades and color treatment products to absorb UVB radiation. In the EU, it is also approved for use in sunscreens and cosmetics. The absorption maximum is at about 310 nm. It is marketed as Parsol SLX by DSM.
The backbone chain is mainly composed of siloxane repeat units, and is of low molecular weight, so being classed as an oligomer.
References
- Parsol SLX
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Sunscreening agents approved by the US FDA or other agencies
- UVA: 400–315 nm
- UVB: 315–290 nm
- Chemical agents unless otherwise noted
- Avobenzone (Parsol 1789)
- Bisdisulizole disodium (Neo Heliopan AP)
- Diethylamino hydroxybenzoyl hexyl benzoate (Uvinul A Plus)
- Ecamsule (Mexoryl SX)
- Menthyl anthranilate
- Amiloxate
- 4-Aminobenzoic acid (PABA)
- Cinoxate
- Ethylhexyl triazone (Uvinul T 150)
- Homosalate
- 4-Methylbenzylidene camphor (Enzacamene)
- Octyl methoxycinnamate (Octinoxate)
- Octyl salicylate (Octisalate)
- Padimate O (Escalol 507)
- Phenylbenzimidazole sulfonic acid (Ensulizole)
- Polysilicone-15 (Parsol SLX)
- Trolamine salicylate
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