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4,5-DICHLOROPHTHALIC ACID

4,5-DICHLOROPHTHALIC ACID ??? ???
?? ??:
56962-08-4
???:
4,5-DICHLOROPHTHALIC ACID
???(??):
AKOS 92369;Einecs 260-478-3;RARECHEM AL BO 0785;DICHLOROPHTHALIC ACID;4,5-Dichlorphthalsure;4,5-DICHLOROPHTHALIC ACID;1.4,5-dichlorophthalicacid;4,5-DichlorophthalicAcid>4,5-Dichlorophthalicacid,99%;4,5-DICHLOROPHTHALIC ACID 99%
CBNumber:
CB7216709
???:
C8H4Cl2O4
??? ??:
235.02
MOL ??:
56962-08-4.mol

4,5-DICHLOROPHTHALIC ACID ??

???
198-200 °C (dec.)(lit.)
?? ?
422.1±45.0 °C(Predicted)
??
1.698±0.06 g/cm3(Predicted)
?? ??
Sealed in dry,Room Temperature
?? ?? (pKa)
2.35±0.10(Predicted)
InChIKey
FDOQKGWUMUEJLX-UHFFFAOYSA-N
CAS ??????
56962-08-4(CAS DataBase Reference)
EPA
1,2-Benzenedicarboxylic acid, 4,5-dichloro- (56962-08-4)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 22-24/25-26
WGK ?? 3
HS ?? 2917399090
????(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 ?? ??? ?? ??? ????.
P280 ????/???/???/?????? ?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
0
2 0

4,5-DICHLOROPHTHALIC ACID C??? ??, ??, ??

Purification Methods

Crystallise the acid from water. It has been purified by converting to the anhydride, reacting it with boiling EtOH to form the monoethyl ester (m 133-134o) and hydrolysing it back to the diacid (see next entry). [Beilstein 9 III 4205.]

4,5-DICHLOROPHTHALIC ACID ?? ?? ? ???

???

2,3-??????-1,3-?? 1-(4,5-????-2-????)??? dimethyl 4,5-dichlorophthalate 1,2-????-4,5-????? ?????? ??? ??

?? ??

4-?????? 4,5-??????????

4,5-DICHLOROPHTHALIC ACID ?? ??

???( 156)?? ??
??? ?? ??? ?? ?? ? ??
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4,5-DICHLOROPHTHALIC ACID ?? ??:

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