Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,3-DICHLORO-N-ETHYLMALEINIMIDE
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Purity: 98.0%
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20198-77-0

20198-77-0 structure

20198-77-0 structure

Name: 2,3-DICHLORO-N-ETHYLMALEINIMIDE
Chemical Name: 3,4-dichloro-1-ethylpyrrole-2,5-dione
CAS Number: 20198-77-0
Molecular Formula: C₆H₅Cl₂NO₂
Molecular Weight: 194.01500
Create Date: 2016-07-04 20:57:26
Modify Date: 2025-09-25 11:18:45

Name	3,4-dichloro-1-ethylpyrrole-2,5-dione
Synonyms	Maleimide,dichloro-N-ethyl N-Ethyl-dichloromaleinimide 3,4-dichloro-1-ethyl-1H-pyrrole-2,5-dione MALEIMIDE,2,3-DICHLORO-N-ETHYL 2,3-Dichloro-N-ethylmaleimide N-Ethyl-dichlormaleinimid 3,4-dichloro-N-ethylmaleimide N-Ethyl-2,3-dichlor-maleimid 3,4-dichloro-1-ethyl-pyrrole-2,5-dione

Density	1.53g/cm3
Boiling Point	224.5ºC at 760 mmHg
Molecular Formula	C₆H₅Cl₂NO₂
Molecular Weight	194.01500
Flash Point	89.6ºC
Exact Mass	192.97000
PSA	37.38000
LogP	1.00220
Vapour Pressure	0.0907mmHg at 25°C
Index of Refraction	1.561

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ON5175000

CHEMICAL NAME :: Maleimide, 2,3-dichloro-N-ethyl-

CAS REGISTRY NUMBER :: 20198-77-0

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C6-H5-Cl2-N-O2

MOLECULAR WEIGHT :: 194.02

WISWESSER LINE NOTATION :: T5VNVJ B2 DG EG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 15521 ug/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 37,15,1976

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 5600 ug/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#03694 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

DOSE :: 6200 ug/kg

SEX/DURATION :: female 9 day(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - other developmental abnormalities Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

REFERENCE :: ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 37,15,1976

HS Code	2925190090

HS Code	2925190090
Summary	2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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