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| CAS No.: | 628-77-3 |
|---|---|
| Name: | 1,5-Diiodopentane |
| Molecular Structure: | |
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| Formula: | C5H10 I2 |
| Molecular Weight: | 323.943 |
| Synonyms: | 1,5-Diiodopentane;NSC 9457; Pentamethylene diiodide; a,w-Diiodopentane |
| EINECS: | 211-054-1 |
| Density: | 2.177 |
| Melting Point: | 9°C |
| Boiling Point: | 101-102 ºC (3 mmHg),264.3 °C at 760 mmHg |
| Flash Point: | 123.7 °C |
| Solubility: | insoluble in water |
| Appearance: | clear light yellow to orange liquid |
| Hazard Symbols: |
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| Risk Codes: | R36/37/38 |
| Safety: | 37/39-26 |
| PSA: | 0.00000 |
| LogP: | 3.02670 |

| Conditions | Yield |
|---|---|
| With iodine In dichloromethane at 20℃; for 1h; Temperature; Solvent; | 95% |
| With trimethylsilylphosphate; sodium iodide for 10h; Ambient temperature; | 92% |
| With phosphorus; iodine | |
| (i) P2I4, CS2, (ii) K2CO3; Multistep reaction; |

B

1,5-diiodopentane

| Conditions | Yield |
|---|---|
| With iodine In tetrahydrofuran under N2, stirred at room temp. for 10 min; solvent removed under reduced pressure, residue dissolved (CH2Cl2), chromy. (alumina, hexane, CH2Cl2); | A 86% B >90 |

| Conditions | Yield |
|---|---|
| With O-phenyl phosphorodichloridate; sodium iodide for 24h; Heating; | 83% |
| With N,N-diethyl-1,1,1-trimethylsilanamine; methyl iodide In toluene at 80 - 90℃; for 48h; Ring cleavage; iodination; diiodation; diiodination; | 33% |
| With boron trifluoride diethyl etherate; sodium iodide Reflux; Green chemistry; | 30% |
| With water; hydrogen iodide | |
| With trimethylsilyl iodide |

| Conditions | Yield |
|---|---|
| for 16h; Heating; | A n/a B 80% |


| Conditions | Yield |
|---|---|
| With diphosphorous tetraiodide In carbon disulfide for 4h; Ambient temperature; | A 25% B 50% C 2% |



1,5-diiodopentane

| Conditions | Yield |
|---|---|
| With triethyl borane; oxygen; ethyl iodoacetae In hexane; cyclohexane Ambient temperature; | 40% |

| Conditions | Yield |
|---|---|
| With acetone; sodium iodide | |
| With methanol; sodium iodide | |
| With sodium iodide In N,N-dimethyl-formamide for 0.333333h; Heating; |

| Conditions | Yield |
|---|---|
| With acetone; sodium iodide |

1,5-diphenoxypentane


1,5-diiodopentane

| Conditions | Yield |
|---|---|
| With hydrogen iodide at 130 - 140℃; |

| Conditions | Yield |
|---|---|
| With diiodosilane In chloroform-d1 for 12h; Ambient temperature; 3 equiv DIS; | 100 % Spectr. |
MF: C5H10I2
MW: 323.94 g/mol
Density: 2.178 g/cm3
EINECS: 211-054-1
Flash Point: 123.7 °C
Water Solubility: insoluble
Sensitive Light: Sensitive
IUPAC Name: 1,5-Diiodopentane
Solubility in water: Insoluble
Index of Refraction: 1.5992-1.6012
Enthalpy of Vaporization: 48.19 kJ/mol
Boiling Point: 264.3 °C at 760 mmHg
Vapour Pressure: 0.016 mmHg at 25°C
Appearance: Light yellow clear liquid
Stability: Stable under normal temperatures and pressures.
Synonyms: 1,5-Diiodopentane ; 1,5-diiodo-pentan ; Pentane,1,5-diiodo- ; Pentamethylene diiodide ; 1,5-Diiodepentane ; 1 5-Diiodopentane 99% (GC) ; 1,5-Diiodopentane,97% ; 1,5-Diiodopentane, 97%, stab. with copper
Product Categories: Iodine Compounds ; Alkyl ; Halogenated Hydrocarbons ; Organic Building Blocks
Following is the molecular structure of Pentamethylene diiodide (628-77-3):
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| 1. | mmo-sat 10 µmol/plate | MUREAV Mutation Research. 141 (1984),11. |
Reported in EPA TSCA Inventory.
Mutation data reported. When heated to decomposition it emits toxic vapors of I−.
Safety Information of Pentamethylene diiodide (628-77-3):
Hazard Codes: Xi
Xi: Irritant![]()
Risk Statements: 36/37/38
36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 37/39-26
37/39: Wear suitable gloves and eye/face protection
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
RIDADR: 2810
RTECS: SA0425000
HazardClass: 6.1(b)
PackingGroup: III
Handling and Storage of Pentamethylene diiodide (628-77-3):
Storage: Store in a cool, dry place. Keep container closed when not in use.
Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.