α,α′-dibromo-o-xylene

Modify Date: 2025-08-21 20:05:53

α,α′-dibromo-o-xylene Structure
α,α′-dibromo-o-xylene structure
 Common Name α,α′-dibromo-o-xylene
CAS Number 91-13-4 Molecular Weight 263.957
Density 1.8±0.1 g/cm3 Boiling Point 272.6±20.0 °C at 760 mmHg
Molecular Formula C8H8Br2 Melting Point 91-94 °C(lit.)
MSDS Chinese USA Flash Point 133.6±21.0 °C
Symbol GHS05 GHS07
GHS05, GHS07		 Signal Word Danger

 Names

Name 1,2-Bis(bromomethyl)benzene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.8±0.1 g/cm3
Boiling Point 272.6±20.0 °C at 760 mmHg
Melting Point 91-94 °C(lit.)
Molecular Formula C8H8Br2
Molecular Weight 263.957
Flash Point 133.6±21.0 °C
Exact Mass 261.899261
LogP 3.70
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.611
Water Solubility soluble, hydrolyses

 Safety Information

Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H302-H314
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C:Corrosive;
Risk Phrases R22;R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3448 6.1/PG 2
WGK Germany 2
Packaging Group III
Hazard Class 8
HS Code 29036990

 Synthetic Route

o-xylene structure

o-xylene

CAS#:95-47-6

~6%

α-Bromo-o-xylene structure

α-Bromo-o-xylene

CAS#:89-92-9

α,α′-dibromo-o-xylene Structure

α,α′-dibromo-o-...

CAS#:91-13-4

Literature: Tetrahedron Letters, , vol. 47, # 40 p. 7245 - 7247
o-xylene structure

o-xylene

CAS#:95-47-6

~90%

α,α′-dibromo-o-xylene Structure

α,α′-dibromo-o-...

CAS#:91-13-4

Literature: Paul, Vincent; Sudalai; Daniel, Thomas; Srinivasan Tetrahedron Letters, 1994 , vol. 35, # 38 p. 7055 - 7056
1,2-Phenylenedimethanol structure

1,2-Phenylenedi...

CAS#:612-14-6

~93%

α,α′-dibromo-o-xylene Structure

α,α′-dibromo-o-...

CAS#:91-13-4

Literature: Anilkumar, Gopinathan; Nambu, Hisanori; Kita, Yasuyuki Organic Process Research and Development, 2002 , vol. 6, # 2 p. 190 - 191
1,2-Phenylenedimethanol structure

1,2-Phenylenedi...

CAS#:612-14-6

~27%

[2-(Bromomethyl)phenyl]methanol structure

[2-(Bromomethyl...

CAS#:74785-02-7

α,α′-dibromo-o-xylene Structure

α,α′-dibromo-o-...

CAS#:91-13-4

Literature: Organic Letters, , vol. 1, # 9 p. 1327 - 1329
o-xylene structure

o-xylene

CAS#:95-47-6

~78%

3,4-Dimethylbromobenzene structure

3,4-Dimethylbro...

CAS#:583-71-1

2,3-Dimethylbromobenzene structure

2,3-Dimethylbro...

CAS#:576-23-8

α-Bromo-o-xylene structure

α-Bromo-o-xylene

CAS#:89-92-9

Detail
Literature: Journal of Organic Chemistry, , vol. 62, # 2 p. 236 - 237
2-(PHENOXYMETHYL)PHENYLMETHANOL 97 structure

2-(PHENOXYMETHY...

CAS#:34904-98-8

~%

α,α′-dibromo-o-xylene Structure

α,α′-dibromo-o-...

CAS#:91-13-4

Literature: Chemische Berichte, , vol. 56, p. 2148
α-Bromo-o-xylene structure

α-Bromo-o-xylene

CAS#:89-92-9

~%

α,α′-dibromo-o-xylene Structure

α,α′-dibromo-o-...

CAS#:91-13-4

Literature: Justus Liebigs Annalen der Chemie, , vol. 436, p. 272
2-Methylbenzyl Alcohol structure

2-Methylbenzyl ...

CAS#:89-95-2

~%

α,α′-dibromo-o-xylene Structure

α,α′-dibromo-o-...

CAS#:91-13-4

Literature: Justus Liebigs Annalen der Chemie, , vol. 436, p. 272
[2-(phenoxymethyl)phenyl]methanamine structure

[2-(phenoxymeth...

CAS#:168971-56-0

~%

α,α′-dibromo-o-xylene Structure

α,α′-dibromo-o-...

CAS#:91-13-4

Literature: Chemische Berichte, , vol. 56, p. 2148

 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%

 Synonyms

E1R B1E
1,2-bis-(bromomethyl)benzene
O-XYLIDENE DIBROMIDE
α,α'-Dibromo-o-xylene
1,2-Bis(bromomethyl)
EINECS 202-042-7
O-XYLYLENE BROMIDE
o-Bis(bromomethyl)benzene
α, α'-Dibromo-o-xylol
o-Xylylene dibromide
α,α′-dibromo-o-xylene
1,2-Bis(bromomethyl)benzene
1,2-dibenzyl bromide
A,A'-DIBROMO-O-XYLENE
o-Xylene, α,α'-dibromo-
a,a'-Dibromo-o-xylol
Benzene, 1,2-bis(bromomethyl)-
O-XYLENE DIBROMIDE
MFCD00000175
o-Xylene, α,α'-dibromo- (8CI)
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