CAS RN: 789-25-3
Triphenylsilane
Product Availability
Choose a grade to view its available package options.
12 package records11 with current stock2 grade groups
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20260202 | 100g | In stock | Shanghai, Chengdu | Inquiry |
| Batchno.20251109 | 10g | In stock | Shanghai, Tianjin, Wuhan, Chengdu | Inquiry |
| Batchno.20250409 | 1g | In stock | Shanghai | Inquiry |
| Batchno.20250501 | 1kg | Out of stock | Inquiry | |
| Batchno.20260429 | 25g | In stock | Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu | Inquiry |
| Batchno.20250518 | 500g | In stock | Shenzhen | Inquiry |
| Batchno.20251016 | 5g | In stock | Shanghai | Inquiry |
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20260517 | 100g | In stock | Shanghai, Shandong, Guangdong | Inquiry |
| Batchno.20250108 | 1g | In stock | Shanghai, Shandong | Inquiry |
| Batchno.20250311 | 25g | In stock | Shanghai, Shandong, Guangdong, Hebei | Inquiry |
| Batchno.20250118 | 500g | In stock | Shandong | Inquiry |
| Batchno.20251023 | 5g | In stock | Shanghai, Shandong, Hebei | Inquiry |
- Product code: SSC-188164
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: 1g, 5g, 10g, 25g, 100g, 500g
- Available purity: >97%
- Inventory rows with stock: 5
- Bulk packaging: confirmed by inquiry
Available Pack Sizes & Stock
Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.
| Pack Size | Recorded Purity | Available Qty | Ship From | Inquiry |
|---|---|---|---|---|
| 1g | >97% | 5 In Stock | Beijing | Inquiry |
| 5g | >97% | 5 In Stock | Hong Kong | Inquiry |
| 10g | >97% | 5 In Stock | Shenzhen | Inquiry |
| 25g | >97% | 5 In Stock | Beijing | Inquiry |
| 100g | >97% | 5 In Stock | Shanghai | Inquiry |
| 500g | >97% | 0 Out of Stock | Beijing | Inquiry |
789-25-3 / triphenylsilane
Basic Information
CAS
789-25-3
Multi CAS
Yes
Molecular Formula
C18H16Si
Molecular Weight
260.400000
Exact Mass
260.102127
InChI
InChI=1S/C18H16Si/c1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15,19H
InChIKey
AKQNYQDSIDKVJZ-UHFFFAOYSA-N
Physical Properties
Physical Description
Colorless solid
State
Solid
Computed Properties
Structural Parameters
Heavy atom count
19
Aromatic heavy atom count
18
Rotatable bonds
3
Molar refractivity
85.38
TPSA
0.0000
LogP / Solubility
WLOGP
1.94
MLOGP
1.71
XLogP3
1.94
Consensus LogP
1.86
Log S (ESOL)
-3.18
Class (ESOL)
Poorly soluble
Log S (Ali)
-3.09
Class (Ali)
Poorly soluble
Log S (SILICOS-IT)
-3.32
Class (SILICOS-IT)
Poorly soluble
ADME
GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.93
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
Yes
Synthetic Accessibility
1.5
Applications of CAS 789-25-3
This compound is commonly used in metal and coordination compound chemistry, laboratory reagent and synthesis applications, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 789-25-3 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.
Physical & Chemical Properties
| IUPAC Name | triphenylsilane |
Safety Information (GHS)
Pictogram(s): GHS07. Signal word: Warning.
- H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
- H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H335 (95.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary statements: P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Request the SDS (Safety Data Sheet) for full hazard and safety documentation.
Storage & Handling
Storage: Store under inert gas. Avoid: Moisture Sensitive. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.
Quotation & Packaging
Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.
Quality & Compliance
Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.
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- Purity/Analytical method: >96.0%(GC)
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