1873-89-8

1873-89-8 structure

Name: tris(trimethylsiloxy)silane
Chemical Name: tris(trimethylsilyloxy)silicon
CAS Number: 1873-89-8
Molecular Formula: C₉H₂₈O₃Si₄
Molecular Weight: 296.659
Catalog: Chemical reagent Organic reagent Siloxane
Create Date: 2018-02-13 08:00:00
Modify Date: 2025-08-22 05:51:15

Name	tris(trimethylsilyloxy)silicon
Synonyms	Trisiloxane, 1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]- 1,1,1,5,5,5-Hexamethyl-3-[(trimethylsilyl)oxy]trisiloxane 3-Hydrogen-1,1,1,5,5,5-hexamethyl-3-trimethylsiloxytrisiloxan 2.2.6.6-tetramethyl-4-trimethylsiloxy-2,4,6-trisila-3.5-dioxaheptane EINECS 217-497-7 Tris(trimethylsiloxy)silane Tris(trimethylsilyloxy)silane MFCD00054865

Density	0.85
Boiling Point	185.0±0.0 °C at 760 mmHg
Melting Point	<0ºC
Molecular Formula	C₉H₂₈O₃Si₄
Molecular Weight	296.659
Flash Point	55.0±0.0 °C
Exact Mass	296.111542
PSA	27.69000
LogP	7.11
Vapour Pressure	1.0±0.3 mmHg at 25°C
Index of Refraction	n20/D 1.386(lit.)
Storage condition	Flammables area

Risk Phrases	R10
Safety Phrases	S23-S24/25
RIDADR	UN 1993 3/PG 3
WGK Germany	3
Packaging Group	III
HS Code	2934999090

107-46-0

~74%

1873-89-8

Literature: Scheim, U.; Grosse-Ruyken, H.; Ruehlmann, K.; Porzel, A. Journal of Organometallic Chemistry, 1986 , vol. 312, p. 27 - 32

1066-40-6

1873-89-8

Literature: Chemische Berichte, , vol. 94, p. 2437 - 2441

18027-10-6

1873-89-8

Literature: Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 29, # 3 p. 448 - 452 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 3 p. 629 - 634

556-67-2

917-54-4

1873-89-8

93254-88-7

Literature: Journal of Organometallic Chemistry, , vol. 277, # 2 p. 203 - 210

75-77-4

1873-89-8

Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <4>9, p. 63,67,70

Precursor 6
107-46-0 75-77-4 1066-40-6 18027-10-6
556-67-2 917-54-4
DownStream 3
17477-97-3 17905-99-6 74098-43-4

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

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