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CAS 1066-54-2 Trimethylsilylacetylene molecular structure lightbox
CAS RN: 1066-54-2

Trimethylsilylacetylene

Product Availability

Choose a grade to view its available package options.

6 package records6 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250419 100g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250126 10g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250330 25g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250118 500g In stock Shanghai, Shenzhen, Tianjin, Wuhan Inquiry
Batchno.20250422 5g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20251102 5ml / 25ml / 100ml / 500ml / 2.5L Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
  • Product code: SSC-008207
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 5g, 10g, 25g, 100g
  • Available purity: >98%
  • Inventory rows with stock: 4
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 1066-54-2
Pack Size Recorded Purity Available Qty Ship From Inquiry
5g >98% 5 In Stock Shanghai Inquiry
10g >98% 5 In Stock Hong Kong Inquiry
25g >98% 5 In Stock Shanghai Inquiry
100g >98% 5 In Stock Shenzhen Inquiry

1066-54-2 / ethynyl(trimethyl)silane

Trimethylsilylacetylene | Ethynyltrimethylsilane | (Trimethylsilyl)acetylene

Standard CAS: 1066-54-2 Multi CAS: Yes
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
1066-54-2
Multi CAS
Yes
Molecular Formula
C5H10Si
Molecular Weight
98.220000
Exact Mass
98.055177
SMILES
C[Si](C)(C)C#C
InChI
InChI=1S/C5H10Si/c1-5-6(2,3)4/h1H,2-4H3
InChIKey
CWMFRHBXRUITQE-UHFFFAOYSA-N
Synonyms
Trimethylsilylacetylene Ethynyltrimethylsilane (Trimethylsilyl)acetylene ethynyl(trimethyl)silane ethynyl-trimethyl-silane

Physical Properties

Physical Description
Colorless liquid
State
Liquid

Computed Properties

Structural Parameters

Heavy atom count
6
Fraction Csp3
0.6
Rotatable bonds
1
Molar refractivity
32.18
TPSA
0.0000

LogP / Solubility

WLOGP
1.5
MLOGP
1.31
XLogP3
1.5
Consensus LogP
1.44
Log S (ESOL)
-1.39
Class (ESOL)
Soluble
Log S (Ali)
-1.45
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.54
Class (SILICOS-IT)
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)
-2.26

Drug-likeness / Medicinal Chemistry

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

Safety & Transport

Pictogram(s)
Flammable Corrosive Irritant
Signal
Danger
GHS Hazard Statements
H225 (72.1%): Highly Flammable liquid and vapor [Danger Flammable liquids] H315 (79.1%): Causes skin irritation [Warning Skin corrosion/irritation] H318 (25.6%): Causes serious eye damage [Danger Serious eye damage/eye irritation] H319 (53.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] H335 (52.3%): 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, P305+P354+P338, P317, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 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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