CAS RN: 7440-42-8
Boron
Product Availability
Choose a grade to view its available package options.
23 package records21 with current stock6 grade groups
| Batch No. | Package | Availability | Inquiry |
|---|---|---|---|
| Batchno.20251014 | 100g | In stock | Inquiry |
| Batchno.20260401 | 10g | In stock | Inquiry |
| Batchno.20260402 | 1g | In stock | Inquiry |
| Batchno.20250810 | 250g | In stock | Inquiry |
| Batchno.20260624 | 25g | In stock | Inquiry |
| Batchno.20250421 | 500g | In stock | Inquiry |
| Batchno.20250531 | 50g | In stock | Inquiry |
| Batchno.20260311 | 5g | In stock | Inquiry |
- Product code: SSC-183853
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: ≥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 |
|---|---|---|---|---|
| 100g | ≥97% | 0 Out of Stock | Shenzhen | Inquiry |
7440-42-8 / boron
Basic Information
CAS
7440-42-8
Multi CAS
No
Molecular Formula
B
Molecular Weight
10.810000
Exact Mass
11.009305
InChI
InChI=1S/B
InChIKey
ZOXJGFHDIHLPTG-UHFFFAOYSA-N
Physical Properties
Melting Point
2,075 °C
Boiling Point
4,000 °C
Density
Amorphous, 2.350 g/cu cm; alpha-rhombohedral, 2.46 g/cu cm; alpha-tetragonal, 2.31 g/cu cm; beta-rhombohedral, 2.35 g/cu cm
Physical Description
Other Solid
Crystals or yellow to brown solid; [Sax] Sold as filaments, powders, whiskers, and crystals; [Hawley]
Appearance
Polymorphic: alpha-rhombohedral form, clear red crystals; beta-rhombohedral form, black; alpha-tetragonal form, black, opaque crystals with metallic luster; amorphous form, black or dark brown powder; other crystal forms are known but not entirely characterized
Filaments, powder, whiskers, single crystals
State
Solid
Computed Properties
Structural Parameters
Heavy atom count
1
Molar refractivity
5.75
TPSA
0.0000
LogP / Solubility
WLOGP
-0.38
MLOGP
-0.36
XLogP3
-0.38
Consensus LogP
-0.37
Log S (ESOL)
0.33
Class (ESOL)
Highly soluble
Log S (Ali)
0.63
Class (Ali)
Highly soluble
Log S (SILICOS-IT)
0.59
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)
-3.06
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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