CAS RN: 7553-56-2
Iodine
Product Availability
Choose a grade to view its available package options.
28 package records27 with current stock17 grade groups
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260309 | 500ml | In stock | Shanghai, Shandong, Chongqing | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260627 | 500ml | In stock | Shandong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260108 | 1L | In stock | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250626 | 20ml | In stock | Shandong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250222 | 500ml | In stock | Guangdong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250129 | 20ml | In stock | Shanghai | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250406 | 20ml | In stock | Shandong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250507 | 10g | In stock | Shanghai, Shandong, Guangdong, Chongqing, Hebei | Inquiry | |
| Batchno.20250703 | 250g | In stock | Shanghai, Shandong | Inquiry | |
| Batchno.20260114 | 2g | In stock | Shanghai, Shandong, Guangdong, Hebei | Inquiry | |
| Batchno.20250315 | 50g | In stock | Shanghai, Shandong, Guangdong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260228 | 1L | In stock | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260418 | 1L | In stock | Shanghai, Shandong, Guangdong, Hebei | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20251101 | 1L | In stock | Shanghai, Shandong | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20260127 | 45ml / 100ml / 500ml / 12X500ml | Confirm by inquiry | Shanghai, Shandong, Guangdong, Chongqing, Hebei | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250103 | Contact us | Confirm by inquiry | Inquiry |
- Product code: ICTI0604
- Purity/Analytical Methods: >98.0%(T)
7553-56-2 / molecular iodine
Basic Information
CAS
7553-56-2
Multi CAS
Yes
Molecular Formula
I2
Molecular Weight
253.808900
Exact Mass
253.808950
InChI
InChI=1S/I2/c1-2
InChIKey
PNDPGZBMCMUPRI-UHFFFAOYSA-N
Physical Properties
Melting Point
236 °F (NIOSH, 2024)
113.7 °C
113.6 °C
114 °C
236 °F
Boiling Point
365 °F at 760 mmHg (NIOSH, 2024)
184.4 °C
184 °C
365 °F
Density
4.93 (NIOSH, 2024) - Denser than water; will sink
Sp gr = 4.93 (solid at 20 °C); density of the gas: 11.27 g/L
Density at 101.3 kPa: 3.96 at 120 °C (liquid)
Relative density (water = 1): 4.9
4.93
Physical Description
Violet-black crystals with a metallic luster and a sharp odor. Mp: 133.5 °C, bp: 185 °C. Emits toxic vapor at room conditions; vapor becomes visibly purple when its concentration builds up in a confined space. Nearly insoluble in water but very soluble in aqueous solutions of iodides.
Water or Solvent Wet Solid; Other Solid; Pellets or Large Crystals
Violet solid with a sharp, characteristic odor; [NIOSH] Iodide salts are white powders; [ACGIH]
Solid
BLUISH BLACK OR DARK PURPLE CRYSTALS WITH PUNGENT ODOUR.
Appearance
Bluish-black scales or plates; diatomic; violet vapor
Rhombic, violet-black crystals with metallic luster
Bluish-black, lustrous solid
Violet solid.
Heavy, grayish-black plates or granules having a metallic luster
State
Solid
Computed Properties
Structural Parameters
Heavy atom count
2
Molar refractivity
28.04
TPSA
0.0000
LogP / Solubility
WLOGP
1.77
MLOGP
1.57
XLogP3
1.7
Consensus LogP
1.68
Log S (ESOL)
-2.53
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.92
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.78
Class (SILICOS-IT)
Moderately 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)
-3.01
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
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