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CAS No.: | 85117-99-3 |
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Name: | 2,5-Difluorobenzyl bromide |
Article Data: | 5 |
Molecular Structure: | |
Formula: | C7H5BrF2 |
Molecular Weight: | 207.018 |
Synonyms: | 2-(Bromomethyl)-1,4-difluoro-benzene;2-(Brommethyl)-1,4-difluorbenzol;Benzene, 2-(bromomethyl)-1,4-difluoro-;α-Bromo-2,5-difluorotoluene; |
EINECS: | 285-651-0 |
Density: | 1.625 g/cm3 |
Melting Point: | 8ºC |
Boiling Point: | 187.9 °C at 760 mmHg |
Flash Point: | 15.6 °C |
Appearance: | Clear yellow liquid |
Hazard Symbols: | F, C, Xi |
Risk Codes: | 11-34-22-36 |
Safety: | 26-36/37/39-45-16 |
Transport Information: | UN 2924 3/PG 2 |
PSA: | 0.00000 |
LogP: | 2.85970 |
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The 2,5-Difluorobenzyl bromide with CAS registry number of 85117-99-3 is also known as Benzene, 2-(bromomethyl)-1,4-difluoro-. The IUPAC name is 2-(Bromomethyl)-1,4-difluorobenzene. It belongs to product categories of Fluoro-contained Benzyl Bromide Series; Benzhydrols, Benzyl & Special Alcohols; Miscellaneous; Fluorinated Benzene Series. Its EINECS registry number is 285-651-0. In addition, the formula is 207.01 and the molecular weight is 207.01. This chemical is a clear yellow liquid that may cause inflammation to the skin or other mucous membranes and destroy living tissue on contact. What's more, it may catch fire in contact with air, only need brief contact with an ignition source and this chemical should be sealed in cool, dry place.
Physical properties about 2,5-Difluorobenzyl bromide are: (1)ACD/LogP: 3.09; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.09; (4)ACD/LogD (pH 7.4): 3.09; (5)ACD/BCF (pH 5.5): 131.37; (6)ACD/BCF (pH 7.4): 131.37; (7)ACD/KOC (pH 5.5): 1142.98; (8)ACD/KOC (pH 7.4): 1142.98; (9)#Freely Rotating Bonds: 1; (10)Index of Refraction: 1.522; (11)Molar Refractivity: 38.88 cm3; (12)Molar Volume: 127.3 cm3; (13)Surface Tension: 35.3 dyne/cm; (14)Density: 1.625 g/cm3; (15)Flash Point: 15.6 °C; (16)Enthalpy of Vaporization: 40.67 kJ/mol; (17)Boiling Point: 187.9 °C at 760 mmHg; (18)Vapour Pressure: 0.849 mmHg at 25 °C.
Uses of 2,5-Difluorobenzyl bromide: it is used to produce diethyl-a-(2,5-difluorobenzyl)-a-acetamidomalonate by alkylation reaction with acetylamino-malonic acid diethyl ester. The reaction occurs with reagent NaOEt and solvent ethanol with other condition of heating for 2 hours. The yield is about 90 %.
When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes and harmful if swallowed. It is highly flammable and may cause burns. During using it, wear suitable protective clothing, gloves and eye/face protection. Keep away from sources of ignition. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If accident happens or you feel unwell seek medical advice immediately.
You can still convert the following datas into molecular structure:
1. Canonical SMILES: C1=CC(=C(C=C1F)CBr)F
2. InChI: InChI=1S/C7H5BrF2/c8-4-5-3-6(9)1-2-7(5)10/h1-3H,4H2
3. InChIKey: ONWGSWNHQZYCFK-UHFFFAOYSA-N