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?????????? ??? ???
?? ??:
79-02-7
???:
??????????
???(??):
??????????
???:
DICHLOROACETALDEHYDE
???(??):
chloroaldehyde;Dichloroethanal;2,2-Dichloroethanal;Dichloroacetaldehyd;DICHLOROACETALDEHYDE;2,2-dichloroacetaldehyde;dichloro-2,2 acetaldehyde;2,2-dichloro-acetaldehyde;Acetaldehyde,2,2-dichloro-;alpha,alpha-dichloroacetaldehyde
CBNumber:
CB2355647
???:
C2H2Cl2O
??? ??:
112.94
MOL ??:
79-02-7.mol

?????????? ??

???
-50.15°C
?? ?
90.55°C
??
1.4330
???
1.4530 (estimate)
Henry's Law Constant
4.7×10-1 mol/(m3Pa) at 25℃, Wang et al. (2017)
CAS ??????
79-02-7
EPA
Dichloroacetaldehyde (79-02-7)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(UN No.) 1992
TSCA TSCA listed
?? ?? 3.2
???? III
?? ?? ??? 79-02-7(Hazardous Substances Data)
????(GHS): Health Hazard (GHS08)Corrosion (GHS05)Environment (GHS09)Skull and Crossbones (GHS06)
?? ?: Danger
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H301 ??? ??? ?? ?? ?? - ?? ?? 3 ?? P264, P270, P301+P310, P321, P330,P405, P501
H314 ??? ?? ??? ?? ??? ??? ????? ?? ????? ?? 1A, B, C ?? P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
H351 ?? ??? ??? ??? (????? ?? ???? ???? ???? ??? ?? ????? ??? ???? ??) ??? ?? ?? 2 ?? P201, P202, P281, P308+P313, P405,P501
H400 ????? ?? ??? ?? ????? ?? - ?? ?? 1 ?? P273, P391, P501
??????:
P201 ?? ? ?? ???? ?????.
P202 ?? ?? ?? ??? ?? ???? ??? ???? ???.
P260 ??·?·??·???·??·...·????? ???? ???.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P273 ???? ???? ???.
P280 ????/???/???/?????? ?????.
P281 ???? ?? ???? ?????
P301+P310 ???? ?? ????(??)? ??? ????.
P301+P330+P331 ???? ?? ?????. ??? ?? ?? ???.
P303+P361+P353 ??(?? ????)? ??? ??? ?? ??? ??? ????? ??? ?? ????/?????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P308+P313 ?? ?? ??? ???? ???? ??· ??? ????.
P310 ?? ????(??)? ??? ????. ???? ?? ????(??)? ??? ????.
P321 (…) ??? ???.
P330 ?? ?????.
P363 ?? ??? ??? ??? ?????.
P391 ???? ????.
P405 ???? ?????.
P501 ...? ??? / ??? ?? ???.

?????????? C??? ??, ??, ??

??? ??

Dichloroacetaldehyde [79-02-7], 2,2-dichloroethanal, CHCl2CHO, Mr112.94, was first obtained in 1868 by F. Paterno by distillation of dichlorodiethyl acetal [619-33-0], CHCl2CH(OC2H5 )2, with sulfuric acid.

?? ??

Colorless liquid with a penetrating pungent odor.

??? ?? ??

Highly flammable.

?? ???

DICHLOROACETALDEHYDE polymerizes on standing or in the presence of acid. DICHLOROACETALDEHYDE reacts with acids, oxidizers.

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DICHLOROACETALDEHYDE is combustible.

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