Products Categories
CAS No.: | 27973-29-1 |
---|---|
Name: | 1,6-Dibromopyrene |
Article Data: | 53 |
Molecular Structure: | |
Formula: | C16H8Br2 |
Molecular Weight: | 360.048 |
Synonyms: | pyrene, 1,6-dibromo-; |
EINECS: | 1308068-626-2 |
Density: | 1.852 g/cm3 |
Melting Point: | 228.0 to 232.0 °C |
Boiling Point: | 469.6 °C at 760 mmHg |
Flash Point: | 277.3 °C |
Appearance: | White to off-white powder |
Risk Codes: | 36/37/38 |
Safety: | 26-36/37/39 |
PSA: | 0.00000 |
LogP: | 6.10900 |
Conditions | Yield |
---|---|
With carbon disulfide; bromine at 20℃; for 17h; | A 15% B 85% |
With carbon disulfide; bromine at 20℃; for 17h; | A 15% B 85% |
With bromine In chloroform for 4h; Inert atmosphere; Reflux; | A 71.1% B 20% |
1,6-dibromopyrene
Conditions | Yield |
---|---|
With methanesulfonic acid In dichloromethane at 0 - 20℃; for 1h; Inert atmosphere; | 82.2% |
1,6-dibromopyrene
Conditions | Yield |
---|---|
With methanesulfonic acid In dichloromethane at 0 - 20℃; for 1h; Inert atmosphere; | 78.33% |
pyrene
1,6-dibromopyrene
Conditions | Yield |
---|---|
With bromine In dichloromethane at 20℃; for 30h; | 64% |
With bromine In tetrachloromethane at 110℃; for 12h; Darkness; | 63% |
With bromine In chloroform at 23℃; for 8h; | 63% |
1,6-dibromopyrene
Conditions | Yield |
---|---|
With bromine In chloroform at 20℃; | 30% |
1-bromopyrene
A
1,3-dibromopyrene
B
1,6-dibromopyrene
C
1,8-dibromopyrene
Conditions | Yield |
---|---|
With bromine In dichloromethane for 5h; Ambient temperature; | A 3 % Spectr. B 53 % Spectr. C 44 % Spectr. |
1-amino-6-bromopyrene
1,6-dibromopyrene
Conditions | Yield |
---|---|
(i) NaNO2, aq. H2SO4, DMF, (ii) CuBr, KBr, aq. HBr; Multistep reaction; |
pyrene
dichloromethane
bromine
A
1,6-dibromopyrene
B
1,8-dibromopyrene
1-bromopyrene
A
1,6-dibromopyrene
B
1,8-dibromopyrene
C
1,3,6-tribromopyrene
Conditions | Yield |
---|---|
With sodium hypochlorite; potassium bromide In methanol for 24h; pH=5; | A n/a B n/a C 20 mg |
1-bromo-6-nitropyrene
1,6-dibromopyrene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N2H4*H2O / Raney-Ni 2: (i) NaNO2, aq. H2SO4, DMF, (ii) CuBr, KBr, aq. HBr View Scheme |
Molecular Structure of 1,6-Dibromopyrene (CAS NO.27973-29-1):
IUPAC Name: 1,6-dibromopyrene
Empirical Formula: C16H8Br2
Molecular Weight: 360.0427
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 0 Å2
Index of Refraction: 1.863
Molar Refractivity: 87.84 cm3
Molar Volume: 194.3 cm3
Surface Tension: 64.4 dyne/cm
Density: 1.852 g/cm3
Flash Point: 277.3 °C
Enthalpy of Vaporization: 70.4 kJ/mol
Boiling Point: 469.6 °C at 760 mmHg
Vapour Pressure: 1.54E-08 mmHg at 25°C
InChI
InChI=1/C16H8Br2/c17-13-8-4-10-2-6-12-14(18)7-3-9-1-5-11(13)16(10)15(9)12/h1-8H
Smiles
c1(ccc2ccc3c(ccc4ccc1c2c34)Br)Br
1,6-Dibromopyrene , with CAS number of 27973-29-1, can be called pyrene, 1,6-dibromo- .