1,4-Dibromo-2,5-dimethylbenzene

Modify Date: 2024-01-03 18:06:08

1,4-Dibromo-2,5-dimethylbenzene Structure
1,4-Dibromo-2,5-dimethylbenzene structure
Common Name 1,4-Dibromo-2,5-dimethylbenzene
CAS Number 1074-24-4 Molecular Weight 263.957
Density 1.7±0.1 g/cm3 Boiling Point 260.8±35.0 °C at 760 mmHg
Molecular Formula C8H8Br2 Melting Point 72-74 °C(lit.)
MSDS Chinese USA Flash Point 124.2±25.2 °C
Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning

 Names

Name 1,4-Dibromo-2,5-dimethylbenzene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 260.8±35.0 °C at 760 mmHg
Melting Point 72-74 °C(lit.)
Molecular Formula C8H8Br2
Molecular Weight 263.957
Flash Point 124.2±25.2 °C
Exact Mass 261.899261
LogP 4.71
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.579
Storage condition Room temperature.

 Safety Information

Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning
Hazard Statements H315-H319-H335-H411
Precautionary Statements P261-P273-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38;R51/53
Safety Phrases S26-S37/39-S61
RIDADR UN 2811 6.1/PG 1
WGK Germany 3
Hazard Class 6.1
HS Code 2903999090

 Synthetic Route

~91%

1,4-Dibromo-2,5-dimethylbenzene Structure

1,4-Dibromo-2,5...

CAS#:1074-24-4

Literature: Huang, Chibao; Qu, Junle; Qi, Jing; Yan, Meng; Xu, Gaixia Organic Letters, 2011 , vol. 13, # 6 p. 1462 - 1465

~%

1,4-Dibromo-2,5-dimethylbenzene Structure

1,4-Dibromo-2,5...

CAS#:1074-24-4

Literature: Journal of the American Chemical Society, , vol. 45, p. 2000

~0%

1,4-Dibromo-2,5-dimethylbenzene Structure

1,4-Dibromo-2,5...

CAS#:1074-24-4

Literature: Henichart, J. P.; Bernier J. L.; Vaccher, C.; Houssin, R.; Warin, V.; Baert, F. Tetrahedron, 1980 , vol. 36, p. 3535 - 3542

~%

1,4-Dibromo-2,5-dimethylbenzene Structure

1,4-Dibromo-2,5...

CAS#:1074-24-4

Literature: Synthetic Communications, , vol. 22, # 8 p. 1095 - 1099

~%

1,4-Dibromo-2,5-dimethylbenzene Structure

1,4-Dibromo-2,5...

CAS#:1074-24-4

Literature: Chemische Berichte, , vol. 10, p. 1355

 Customs

HS Code 2903999090
Summary 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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The synthesis of aromatic dicarboxaldehydes, using dilithiation methodology is described along with their reactivity, in the [3 + 3] cyclocondensation reaction, with (1R,2R)-diaminocyclohexane to give...

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 Synonyms

2,5-Dibromo-p-xylene
Benzene, 1,4-dibromo-2,5-dimethyl-
Benzene,1,4-dibromo-2,5-dimethyl
2,5-dibromo-4-xylene
2,5-dibromo-1,4-dimethylbenzene
p-Xylene,5-dibromo
MFCD00000091
2,5-dibromo-para-xylene
EINECS 214-038-2
2,4-dibromobenzene
ER DE B1 E1
1,4-Dibromo-2,5-dimethylbenzene
1,4-dibromo-2,5-dimethyl-benzene