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CAS 17928-28-8 1,1,1,3,5,5,5-Heptamethyl-3-[(trimethylsilyl)oxy]trisiloxane molecular structure lightbox
CAS RN: 17928-28-8

1,1,1,3,5,5,5-Heptamethyl-3-[(trimethylsilyl)oxy]trisiloxane

  • Product code: SSC-079871
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Historical Factory Record

Historical Supply Reference

This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.

  • Pack sizes on record: 25g
  • Available purity: ＞97%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
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Reference Pack Sizes

Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 17928-28-8
Pack Size Recorded Purity Available Qty Ship From Inquiry
25g ＞97% 0 Out of Stock Hong Kong Inquiry

17928-28-8 / trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxysilane

Standard CAS: 17928-28-8 Multi CAS: No
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
17928-28-8
Multi CAS
No
Molecular Formula
C10H30O3Si4
Molecular Weight
310.680000
Exact Mass
310.127201
SMILES
C[Si](C)(C)O[Si](C)(O[Si](C)(C)C)O[Si](C)(C)C
InChI
InChI=1S/C10H30O3Si4/c1-14(2,3)11-17(10,12-15(4,5)6)13-16(7,8)9/h1-10H3
InChIKey
RGMZNZABJYWAEC-UHFFFAOYSA-N

Physical Properties

Melting Point
-105 °F (NTP, 1992)
Boiling Point
381 °F at 760 mmHg (NTP, 1992)
Density
0.8536 at 68 °F (NTP, 1992) - Less dense than water; will float
Physical Description
Methyltris(trimethylsiloxy)silane is a clear colorless liquid. (NTP, 1992) Liquid
State
Liquid
Storage Conditions
STORAGE PRECAUTIONS: You should store this material under ambient temperatures. (NTP, 1992)

Computed Properties

Structural Parameters

Heavy atom count
17
Fraction Csp3
1
Rotatable bonds
6
H-bond acceptors
3
Molar refractivity
84.91
TPSA
27.69

LogP / Solubility

WLOGP
4.11
MLOGP
3.63
XLogP3
4.11
Consensus LogP
3.95
Log S (ESOL)
-3.96
Class (ESOL)
Poorly soluble
Log S (Ali)
-5.07
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-5.81
Class (SILICOS-IT)
Slightly soluble

ADME

GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
Yes
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-1.7

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
1.5

Safety & Transport

Pictogram(s)
Flammable Irritant Health Hazard
Signal
Warning
GHS Hazard Statements
H226 (78.1%): Flammable liquid and vapor [Warning Flammable liquids] H315 (22.4%): Causes skin irritation [Warning Skin corrosion/irritation] H319 (22.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] H335 (21.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] H373 (55.7%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
Precautionary Statement Codes
P210, P233, P240, P241, P242, P243, P260, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501

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