1-Bromo-2,3-dichlorobenzene
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1-Bromo-2,3-dichlorobenzene
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CAS No:
56961-77-4
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Formula:
C6H3BrCl2
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Chemical Name:
1-Bromo-2,3-dichlorobenzene
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Synonyms:
Benzene,1-bromo-2,3-dichloro-;1-Bromo-2,3-dichlorobenzene;2,3-Dichloro-1-bromobenzene;2,3-Dichlorophenyl bromide;2,3-Dichlorobromobenzene
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CAS No:
Characteristics
0
4.2
LIGHT YELLOW CRYSTALLINE FLAKES
1.7±0.1 g/cm3
60 °C
245 °C
243°C
1.590
H2O: insoluble
Safety Information
NONH for all modes of transport
3
36/37/38
26-37/39-28A-24/25
Xi
P261-P305 + P351 + P338
H315-H319-H335
|Warning|H302 (77.72%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P391, P403+P233, P405, and P501|Aggregated GHS information provided by 202 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
1-Bromo-2,3-dichlorobenzene Use and Manufacturing
Preparation of i-bromo-σ.S-dichlorobenzene (compound AD; 163 g 2, 3-Dichloroaniline (1.0 mol) is added to a mixture of 325O g of 30percent aqueous HBr (12.0 mole) and 25.4 g copper powder of a particle size of approx. 45 μ at 35-37Example P1 : Preparation of 1-bromo-2.3-dichlorobenzene (compound A1 ); 32.7 g 2, 3-Dichloroaniline (0.20 mole) is added to a mixture of 21.4 g of NaBr (0.20 mole, 1.0 equivalent), 1 10.0 g of 48percent aqueous HBr (0.66 mole, 3.3 equivalents) and 70 ml water at 30-45Example P3: Preparation of 1-bromo-2.3-dichlorobenzene (compound A1 ); 32.7 g 2, 3-Dichloroaniline (0.20 mole) is added to a mixture of 21.4 g of NaBr (0.20 mole, 1.0 equivalent), 1 10.0 g of 48percent aqueous HBr (0.66 mole, 3.3 equivalents) and 70 ml water at 30-40Example P2: Preparation of 1-bromo-2, 3-dichlorobenzene (compound A1 ); 32.7 g 2, 3-Dichloroaniline (0.20 mole) is added to a mixture of 168.5 g of 48percent aqueous HBr (LO mole, 5.0 equivalents) and 40 ml water at 30-40°C. The mixture is stirred for 15 minutes at 30-40(9.3 g, 50 mmol) N-Boc-piperazine (III), (8.96 g, 40 mmol) EXAMPLE 6 Isomerization of
Computed Properties
Molecular Weight:225.89
XLogP3:4.2
Exact Mass:223.87952
Monoisotopic Mass:223.87952
Heavy Atom Count:9
Complexity:97.1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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