CAS RN: 70131-67-8
Silanol Terminated Polydimethylsiloxane
Product Availability
Choose a grade to view its available package options.
36 package records30 with current stock18 grade groups
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260524 | 25g / 100g / 500g / 2.5kg | Confirm by inquiry | Shanghai, Shandong, Hebei, Guangdong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250222 | 25g / 100g | Out of stock | 8-10 business days | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260507 | 5g / 25g / 100g / 500g / 1kg / 5kg | Confirm by inquiry | Shanghai, Shandong, Guangdong, Chongqing, Hebei | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260603 | 25g / 100g / 500g / 2.5kg | Confirm by inquiry | Shanghai, Shandong, Guangdong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250918 | 25g / 100g / 500g / 2.5kg | Confirm by inquiry | Shanghai, Hebei, Shandong, Guangdong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260528 | 25ml / 100ml / 500ml / 2.5L | Confirm by inquiry | Shandong, Shanghai, Guangdong, Hebei | 8-10 business days | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20251201 | 10g / 100g / 500g / 2.5kg / 10kg | Confirm by inquiry | Shanghai, Shandong, Guangdong, Hebei | 8-10 business days | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260406 | 100ml / 500ml / 2.5L | Confirm by inquiry | Shanghai, Shandong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20251206 | 100ml | In stock | Shanghai, Shandong, Chongqing, Hebei | Inquiry | |
| Batchno.20260502 | 2.5L | In stock | Shandong | Inquiry | |
| Batchno.20260701 | 25ml | In stock | Shanghai, Shandong | Inquiry | |
| Batchno.20250420 | 500ml | In stock | Shanghai, Shandong, Guangdong, Hebei | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250113 | 100ml | In stock | Shanghai, Shandong, Guangdong, Chongqing, Hebei | Inquiry | |
| Batchno.20260611 | 2.5L | In stock | Shandong | Inquiry | |
| Batchno.20250606 | 25ml | Out of stock | 8-10 business days | Inquiry | |
| Batchno.20260112 | 500ml | In stock | Shanghai, Shandong, Guangdong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20251209 | 100g / 500g | Out of stock | 8-10 business days | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250202 | 100g / 500g / 2.5kg | Confirm by inquiry | Shanghai | 8-10 business days | Inquiry |
- Product code: SSC-179951
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: 100g
- Available purity: 95%+
- Inventory rows with stock: 0
- Bulk packaging: confirmed by inquiry
Reference Pack Sizes
Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.
| Pack Size | Recorded Purity | Available Qty | Ship From | Inquiry |
|---|---|---|---|---|
| 100g | 95%+ | 0 Out of Stock | Hong Kong | Inquiry |
70131-67-8 / dihydroxy(dimethyl)silane
Basic Information
CAS
70131-67-8
Multi CAS
Yes
Molecular Formula
C2H8O2Si
Molecular Weight
92.170000
Exact Mass
92.029356
InChI
InChI=1S/C2H8O2Si/c1-5(2,3)4/h3-4H,1-2H3
InChIKey
XCLIHDJZGPCUBT-UHFFFAOYSA-N
Computed Properties
Structural Parameters
Heavy atom count
5
Fraction Csp3
1
H-bond acceptors
2
H-bond donors
2
Molar refractivity
21.92
TPSA
40.46
LogP / Solubility
WLOGP
-0.33
MLOGP
-0.3
XLogP3
-0.33
Consensus LogP
-0.32
Log S (ESOL)
-0.21
Class (ESOL)
Very soluble
Log S (Ali)
-0.08
Class (Ali)
Very soluble
Log S (SILICOS-IT)
0.01
Class (SILICOS-IT)
Highly 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)
-3.51
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
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- Purity/Analytical method: >99.0%
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