CAS RN: 7440-56-4
Germanium
Product Availability
Choose a grade to view its available package options.
30 package records28 with current stock12 grade groups
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250512 | 1g / 5g / 10g | Confirm by inquiry | Shanghai, Shandong, Hebei | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20251025 | Contact us | Confirm by inquiry | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20251114 | 50ml | In stock | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250610 | 50ml | In stock | Shandong, Hebei | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250914 | 100g | In stock | Shanghai, Shandong | Inquiry | |
| Batchno.20250928 | 1g | In stock | Shanghai, Shandong, Chongqing, Hebei | Inquiry | |
| Batchno.20260513 | 25g | In stock | Shanghai, Shandong, Guangdong | Inquiry | |
| Batchno.20260216 | 5g | In stock | Shanghai, Shandong, Guangdong, Chongqing, Hebei | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260510 | 1g / 5g / 25g / 100g | Confirm by inquiry | Shanghai, Shandong, Hebei, Guangdong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250317 | 10g | In stock | Shanghai, Shandong, Chongqing, Hebei | Inquiry | |
| Batchno.20250330 | 250g | In stock | Shanghai, Shandong, Guangdong | Inquiry | |
| Batchno.20251103 | 2g | In stock | Shanghai, Shandong, Guangdong, Chongqing, Hebei | Inquiry | |
| Batchno.20260212 | 50g | In stock | Shanghai, Shandong | Inquiry |
- Product code: SSC-183857
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: 1g
- Available purity: ≥97%
- 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 |
|---|---|---|---|---|
| 1g | ≥97% | 0 Out of Stock | Shanghai | Inquiry |
7440-56-4 / germanium
Basic Information
CAS
7440-56-4
Multi CAS
Yes
Molecular Formula
Ge
Molecular Weight
72.630000
Exact Mass
73.921178
InChI
InChI=1S/Ge
InChIKey
GNPVGFCGXDBREM-UHFFFAOYSA-N
Physical Properties
Melting Point
937.2 °C
Heat of fusion at melting point = 3.18X10+7 J/kmol.
Boiling Point
2700 °C
Density
5.323 @ 25 °C/4 °C
INTRINSIC CHARGE DENSITY @ 300 DEG K= 2.4X10+13; ELECTRON DIFFUSION CONSTANT @ 300 DEG K= 100
Physical Description
Lustrous greyish-white brittle metalloid; [Merck Index] Silver-colored odorless pieces
Appearance
GRAYISH-WHITE, LUSTROUS, BRITTLE METALLOID; DIAMOND-CUBIC STRUCTURE WHEN CRYSTALLINE
State
Solid
Computed Properties
Structural Parameters
Heavy atom count
1
Molar refractivity
5.75
TPSA
0.0000
LogP / Solubility
WLOGP
-0.38
MLOGP
-0.35
XLogP3
-0.38
Consensus LogP
-0.37
Log S (ESOL)
-0.05
Class (ESOL)
Very soluble
Log S (Ali)
0.12
Class (Ali)
Highly soluble
Log S (SILICOS-IT)
0.18
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)
-3.43
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1
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