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CAS 18420-09-2 1,1,3,3-TETRAMETHYL-1,3-DIETHOXYDISILOXANE molecular structure lightbox
CAS RN: 18420-09-2

1,1,3,3-TETRAMETHYL-1,3-DIETHOXYDISILOXANE

Product Availability

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5 package records4 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260413 100g Out of stock Inquiry
Batchno.20260131 1g In stock Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250301 1ml / 5ml / 25ml / 100ml Confirm by inquiry Shanghai, Shandong 8-10 business days Inquiry
Batchno.20260216 25g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20260525 5g In stock Shanghai, Tianjin, Wuhan, Chengdu Inquiry
  • Product code: SSC-085214
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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: ≥95%
  • 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 18420-09-2
Pack Size Recorded Purity Available Qty Ship From Inquiry
25g ≥95% 0 Out of Stock Shanghai Inquiry

18420-09-2 / ethoxy-[ethoxy(dimethyl)silyl]oxy-dimethylsilane

Standard CAS: 18420-09-2 Multi CAS: No
Basic Information Computed Properties Safety & Transport

Basic Information

CAS
18420-09-2
Multi CAS
No
Molecular Formula
C8H22O3Si2
Molecular Weight
222.430000
Exact Mass
222.110748
SMILES
CCO[Si](C)(C)O[Si](C)(C)OCC
InChI
InChI=1S/C8H22O3Si2/c1-7-9-12(3,4)11-13(5,6)10-8-2/h7-8H2,1-6H3
InChIKey
NPOYZXWZANURMM-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
13
Fraction Csp3
1
Rotatable bonds
6
H-bond acceptors
3
Molar refractivity
59.3
TPSA
27.69

LogP / Solubility

WLOGP
2.48
MLOGP
2.18
XLogP3
2.48
Consensus LogP
2.38
Log S (ESOL)
-2.39
Class (ESOL)
Moderately soluble
Log S (Ali)
-3.17
Class (Ali)
Poorly soluble
Log S (SILICOS-IT)
-3.88
Class (SILICOS-IT)
Poorly soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.32

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
Signal
Warning
GHS Hazard Statements
H226 (100%): Flammable liquid and vapor [Warning Flammable liquids] H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation] H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary Statement Codes
P210, P233, P240, P241, P242, P243, 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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