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alpha,alpha'-Dibromo-p-xylene

alpha,alpha'-Dibromo-p-xylene ??? ???
?? ??:
623-24-5
???:
alpha,alpha'-Dibromo-p-xylene
???(??):
1,4-BIS(BROMOMETHYL)BENZENE;P-XYLYLENE DIBROMIDE;α,α′-Dibromo-p-xylene;P-XYLENE DIBROMIDE;1,4-bis(bromomethyl)-benzen;NSC 6226;O-dibroMo-benzyl;AKOS BBS-00000840;P-XYLYLENE BROMIDE;α,α'-Dibromo-p-xyL
CBNumber:
CB7235218
???:
C8H8Br2
??? ??:
263.96
MOL ??:
623-24-5.mol
MSDS ??:
SDS

alpha,alpha'-Dibromo-p-xylene ??

???
143-145 °C(lit.)
?? ?
245 °C(lit.)
??
2.012
???
1.614
???
155-158°C/14mm
?? ??
Keep in dark place,Sealed in dry,Room Temperature
???
???: ???1g/10mL(???)
??? ??
??? ?? ? ?? ??
??
???? ????
???
?? ???? ???????.
??
Lachrymatory
BRN
1100019
CAS ??????
623-24-5(CAS DataBase Reference)
NIST
Benzene, 1,4-bis(bromomethyl)-(623-24-5)
EPA
1,4-Bis(bromomethyl)benzene (623-24-5)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? C
?? ???? ?? 34-22
????? 26-36/37/39-45
????(UN No.) UN 3448 6.1/PG 2
WGK ?? 3
F ?????? 8-19-21
?? ?? ?? Corrosive/Lachrymatory
TSCA Yes
?? ?? 8
???? III
HS ?? 29039990
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P271 ?? ?? ??? ? ?? ???? ?????.
P280 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
1
3 1

alpha,alpha'-Dibromo-p-xylene MSDS


1,4-Bis(Bromomethyl)benzene

alpha,alpha'-Dibromo-p-xylene C??? ??, ??, ??

??? ??

white to light yellow crystal powde

??

It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals.

Purification Methods

Distil it under a vacuum and recrystallise it from EtOH, *benzene or chloroform. [Wenner Org Chem 17 527 1952, Beilstein 5 H 385, 5 I 187, 5 II 301, 5 III 859, 5 IV 970.]

alpha,alpha'-Dibromo-p-xylene ?? ?? ? ???

???

??? ??? p-??? N-????????? 1,4-Benzenedimethanol ????? ?????? ????? NISTC502863 Benzene, 1-(dibromomethyl)-4-methyl- ??(?????)???

?? ??

1,4-??(????-XNUMX-???)?? 1,4-BENZENEDIMETHANETHIOL 1,4-Phenylenediacetonitrile 1,4-??(3-?????)???

alpha,alpha'-Dibromo-p-xylene ?? ??

???( 360)?? ??
??? ?? ??? ?? ?? ? ??
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alpha,alpha'-Dibromo-p-xylene ?? ??:

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