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2,3-Dibromonaphthalene

2,3-Dibromonaphthalene structure

CAS No:
13214-70-5
Formula:
C10H6Br2
Chemical Name:
2,3-Dibromonaphthalene
Synonyms:
Naphthalene,2,3-dibromo-;2,3-Dibromonaphthalene
Categories:
Specialty Chemicals

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Description

White powder

2,3-Dibromonaphthalene Basic Attributes

Molecular Weight：

285.96

Exact Mass：

285.96

DSSTox ID：

DTXSID10157372

HScode：

29039990

Characteristics

PSA：

XLogP3：

4.6

Density：

1.8199 (estimate)

Melting Point：

140 °C

Boiling Point：

288.1°C (rough estimate)

Flash Point：

186.6±19.6 °C

Refractive Index：

1.6000 (estimate)

Safety Information

Hazard category：

IRRITANT

safety instructions：

24/25

Marks：

Precautionary statement(s)：

P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362

Hazard Statements：

H315

GHS Classification：

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, and P362|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

2,3-Dibromonaphthalene Use and Manufacturing

General procedure: Benzobarrelene derivatives 12a-r (1.0 mmol) and tetrazine 4b (1.1 mmol) were dissolved in the required solvent (toluene or CHCl8.7 g (132 mmol) of zinc powder and 8.7 ml (79 mmol) of titanium tetrachloride were dissolved in 200 ml of THF, and the mixture was heated under reflux for 18 hours. After the mixture was cooled to room temperature, a solution in which 4 g (13.2 mmol) of Compound 82-1 was dissolved in THF was added thereto, and the result was heated under reflux for 18 hours. After the reaction completed, an HCl solution was introduced thereto, the result was extracted using an organic solvent, and the solution obtained was vacuum distilled. The obtained solid was separated and purified using a column, and 3.1 g (11.0 mmol) of Compound 82-2 was obtained.

Computed Properties

Molecular Weight:285.96
XLogP3:4.6
Exact Mass:285.88158
Monoisotopic Mass:283.88363
Heavy Atom Count:12
Complexity:140
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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