TRIS(TRIMETHYLSILOXY)PHENYLSILANE

Modify Date: 2025-08-24 14:56:59

TRIS(TRIMETHYLSILOXY)PHENYLSILANE Structure
TRIS(TRIMETHYLSILOXY)PHENYLSILANE structure
Common Name TRIS(TRIMETHYLSILOXY)PHENYLSILANE
CAS Number 2116-84-9 Molecular Weight 372.755
Density 0.9±0.1 g/cm3 Boiling Point 315.4±25.0 °C at 760 mmHg
Molecular Formula C15H32O3Si4 Melting Point -102ºC
MSDS N/A Flash Point 128.6±23.6 °C

 Names

Name trimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxysilane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 315.4±25.0 °C at 760 mmHg
Melting Point -102ºC
Molecular Formula C15H32O3Si4
Molecular Weight 372.755
Flash Point 128.6±23.6 °C
Exact Mass 372.142853
PSA 27.69000
LogP 8.28
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.458
InChIKey LINXHFKHZLOLEI-UHFFFAOYSA-N
SMILES C[Si](C)(C)O[Si](O[Si](C)(C)C)(O[Si](C)(C)C)c1ccccc1

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases 26-36
WGK Germany 1
HS Code 2934999090

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

Polyphenylmethyl siloxane
TRIS(TRIMETHYLSILOXY)PHENYLSILANE
Trisiloxane, 1,1,1,5,5,5-hexamethyl-3-phenyl-3-((trimethylsilyl)oxy)-
phenyl dimethicone
1,1,1,5,5,5-Hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxane
Dow Corning 556
Silicone DC 556
EINECS 218-320-6
Phenyl trimethicone
MFCD00053665
UNII-DR0K5NOJ4R
Benzene, [3,3,3-trimethyl-1,1-bis[(trimethylsilyl)oxy]disiloxanyl]-
2.2.6.6-tetramethyl-4-phenyl-4-trimethylsiloxy-2.4.6-trisila-3.5-dioxaheptane
methylphenylpolysiloxane
Dow 556 Fluid
Phenyltris(trimethylsiloxy)silane
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