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CAS No.: | 111-24-0 |
---|---|
Name: | 1,5-Dibromopentane |
Article Data: | 40 |
Molecular Structure: | |
Formula: | C5H10Br2 |
Molecular Weight: | 229.942 |
Synonyms: | 4-01-00-00314 (Beilstein Handbook Reference);Pentane, 1,5-dibromo-;Pentane, 1, 5-dibromo-;Pentane,1,5-dibromo-;Pentamethylene bromide;Pentamethylene dibromide;1,5-Dibromopentane / Pentamethylene Dibromide; |
EINECS: | 203-849-7 |
Density: | 1.673 g/cm3 |
Melting Point: | -34 °C(lit.) |
Boiling Point: | 224.5 °C at 760 mmHg |
Flash Point: | 94.7 °C |
Solubility: | insoluble in water |
Appearance: | clear colorless to yellow-brownish liquid |
Hazard Symbols: | Xi,Xn |
Risk Codes: | 36/38-22 |
Safety: | 23-26-36-37/39 |
PSA: | 0.00000 |
LogP: | 2.94650 |
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); hydrogen bromide In toluene at 0℃; for 2h; Reagent/catalyst; Solvent; | 92% |
A
1,5-dibromo-pentane
Conditions | Yield |
---|---|
With bromine In tetrahydrofuran under N2, stirred at room temp. for 10 min; solvent removed under reduced pressure, residue dissolved (CH2Cl2), chromy. (alumina, hexane, CH2Cl2); | A >90 B 91% |
Conditions | Yield |
---|---|
With hydrogen bromide In octane; water at 148 - 150℃; for 6h; Temperature; Dean-Stark; | 88% |
With sulfuric acid; water; hydrogen bromide | |
With hydrogen bromide | |
With hydrogen bromide at 80 - 90℃; | |
With 2,6-dimethylpyridine; carbon tetrabromide In N,N-dimethyl-formamide at 23 - 35℃; for 6h; UV-irradiation; | 96 %Spectr. |
Conditions | Yield |
---|---|
With hydrogen bromide In toluene for 9h; Substitution; Heating; | A n/a B 81% |
Conditions | Yield |
---|---|
With 1,2-dibromo-1,1,2,2-tetrachloroethane; triphenylphosphine In dichloromethane at 20℃; for 0.15h; Appel Halogenation; | 80% |
With sulfuric acid; hydrogen bromide for 3h; Heating; | 79% |
With trimethylsilyl bromide; iodine(I) bromide for 2h; Heating; | 71% |
TETRAHYDROPYRANE
acetic anhydride
A
1,5-dibromo-pentane
B
5-bromo-1-pentanyl acetate
Conditions | Yield |
---|---|
With hydrogen bromide |
Conditions | Yield |
---|---|
With phosphorus pentabromide Destillation des Produkts unter vermindertem Druck; | |
With phosphorus pentabromide anschliessend Behandeln mit Wasser; | |
With bromine; phosphorus tribromide 1.) from 24 deg C to 34 deg C, 2.) reflux, 2 h; Yield given. Multistep reaction; | |
With phosphorus pentabromide anschliessend Behandeln mit Wasser; |
Conditions | Yield |
---|---|
beim Leiten von Bromdampf ueber die Schmelze; |
1,5-diphenoxypentane
1,5-dibromo-pentane
Conditions | Yield |
---|---|
With hydrogen bromide at 170℃; |
IUPAC Name: 1,5-dibromopentane
Empirical Formula: C5H10Br2
Molecular Weight: 229.9409g/mol
EINECS: 203-849-7
Structure of 1,5-Dibromopentane (CAS NO.111-24-0):
Index of Refraction: 1.503
Molar Refractivity: 40.67 cm3
Molar Volume: 137.4 cm3
Polarizability: 16.12×10-24cm3
Surface Tension: 35.4 dyne/cm
Density: 1.673 g/cm3
Flash Point: 94.7 °C
Enthalpy of Vaporization: 44.22 kJ/mol
Melting Point: −34 °C(lit.)
Boiling Point: 224.5 °C at 760 mmHg
Vapour Pressure: 0.136 mmHg at 25°C
Water Solubility: insoluble
Product Categories: Organics;Miscellaneous;DIBROMOALKANE;Bromine Compounds;alpha,omega-Bifunctional Alkanes;alpha,omega-Dibromoalkanes;Monofunctional & alpha,omega-Bifunctional Alkanes
Canonical SMILES: C(CCBr)CCBr
InChI: InChI=1S/C5H10Br2/c6-4-2-1-3-5-7/h1-5H2
InChIKey: IBODDUNKEPPBKW-UHFFFAOYSA-N
1,5-Dibromopentane (CAS NO.111-24-0) is used for synthetic organic intermediates
1. | mmo-sat 10 µmol/plate | MUREAV Mutation Research. 141 (1984),11. | ||
2. | dnr-esc 10 µL/disc | CNREA8 Cancer Research. 34 (1974),2576. |
Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Mutation data reported. When heated to decomposition it emits toxic fumes of Br−. See also n-PENTANE and BROMIDES.
The Hazard Codes of 1,5-DIBROMOPENTANE(111-24-0): Xi,Xn
HS Code:29033036
The Risk Statements information of 1,5-DIBROMOPENTANE(111-24-0):
22: Harmful if swallowed
36/38: Irritating to eyes and skin
The Safety Statements information of 1,5-DIBROMOPENTANE(111-24-0):
23: Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer)
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37/39: Wear suitable gloves and eye/face protection
WGK Germany:3
RTECS:SA0320000
1,5-Dibromopentane , its cas register number is 111-24-0. It also can be called 4-01-00-00314 (Beilstein Handbook Reference) ; AI3-20307 ; CCRIS 8918 ; NSC 5373 ; Pentamethylene bromide ; Pentamethylene dibromide . 1,5-Dibromopentane (CAS NO.111-24-0) is a clear colorless to yellow-brownish liquid.