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CAS 141-63-9 Dodecamethylpentasiloxane molecular structure lightbox
CAS RN: 141-63-9

Dodecamethylpentasiloxane

Product Availability

Choose a grade to view its available package options.

5 package records5 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250902 100g In stock Shanghai, Tianjin Inquiry
Batchno.20250117 10g In stock Shanghai Inquiry
Batchno.20260218 1g In stock Shanghai, Shenzhen, Wuhan, Chengdu Inquiry
Batchno.20260523 25g In stock Shanghai Inquiry
Batchno.20251215 5g In stock Shanghai, Chengdu Inquiry
  • Product code: SSC-051503
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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: 10ml
  • 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 141-63-9
Pack Size Recorded Purity Available Qty Ship From Inquiry
10ml ≥97% 0 Out of Stock Beijing Inquiry

141-63-9 / bis[[dimethyl(trimethylsilyloxy)silyl]oxy]-dimethylsilane

Standard CAS: 141-63-9 Multi CAS: No
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
141-63-9
Multi CAS
No
Molecular Formula
C12H36O4Si5
Molecular Weight
384.840000
Exact Mass
384.145992
SMILES
C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
InChI
InChI=1S/C12H36O4Si5/c1-17(2,3)13-19(7,8)15-21(11,12)16-20(9,10)14-18(4,5)6/h1-12H3
InChIKey
FBZANXDWQAVSTQ-UHFFFAOYSA-N

Physical Properties

Melting Point
-80 °C
Boiling Point
230 °C BP: 229 °C at 710 mm Hg
Density
0.8755 g/cu cm at 20 °C
Physical Description
Liquid Liquid; [Merck Index] Colorless odorless liquid
Appearance
Colorless liquid Liquid
State
Liquid
Storage Conditions
Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Storage class (TRGS 510): 10: Combustible liquids.

Computed Properties

Structural Parameters

Heavy atom count
21
Fraction Csp3
1
Rotatable bonds
8
H-bond acceptors
4
Molar refractivity
103.48
TPSA
36.92

LogP / Solubility

WLOGP
4.83
MLOGP
4.27
XLogP3
4.83
Consensus LogP
4.64
Log S (ESOL)
-4.74
Class (ESOL)
Slightly soluble
Log S (Ali)
-6.2
Class (Ali)
Insoluble
Log S (SILICOS-IT)
-7.13
Class (SILICOS-IT)
Insoluble

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
Yes
Log Kp (skin permeation)
-1.64

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
Yes
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
2.5

Safety & Transport

Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements
H315 (11.5%): Causes skin irritation [Warning Skin corrosion/irritation] H319 (11.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] H335 (11.5%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] H413 (30%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard] H227: Combustible liquid [Warning Flammable liquids]
Precautionary Statement Codes
P261, P264, P264+P265, P271, P273, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 P210, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403, P403+P233, P405, and P501

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