Shanghai Nianxing Industrial Co., Ltd
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Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: DIETHYL 2-(2-THIENYLMETHYLIDENE)MALONATE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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30313-06-5

30313-06-5 structure

30313-06-5 structure

Name: DIETHYL 2-(2-THIENYLMETHYLIDENE)MALONATE
Chemical Name: diethyl 2-(thiophen-2-ylmethylidene)propanedioate
CAS Number: 30313-06-5
Molecular Formula: C₁₂H₁₄O₄S
Molecular Weight: 254.30200
Create Date: 2018-11-25 20:25:51
Modify Date: 2025-08-21 16:26:06

Name	diethyl 2-(thiophen-2-ylmethylidene)propanedioate
Synonyms	diethyl 2-thienylidenemalonate diethyl thiophenylidene malonate Diethyl 2-thenylidenemalonate thiophen-2-ylmethylene-malonic acid diethyl ester

Density	1.215g/cm3
Boiling Point	320.4ºC at 760mmHg
Molecular Formula	C₁₂H₁₄O₄S
Molecular Weight	254.30200
Flash Point	147.6ºC
Exact Mass	254.06100
PSA	80.84000
LogP	2.25770
Index of Refraction	1.554

CHEMICAL IDENTIFICATION

RTECS NUMBER :: OO1800000

CHEMICAL NAME :: Malonic acid, (2-thenylidene)-, diethyl ester

CAS REGISTRY NUMBER :: 30313-06-5

BEILSTEIN REFERENCE NO. :: 0212007

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C12-H14-O4-S

MOLECULAR WEIGHT :: 254.32

WISWESSER LINE NOTATION :: T5SJ B1UYVO2&VO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/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#01465

98-03-3 structure

98-03-3

105-53-3 structure

105-53-3

~96%

30313-06-5 structure

30313-06-5

Literature: Abeijon, Paula; Blanco, Jose M.; Fernandez, Franco; Garcia, Marcos D.; Lopez, Carmen European Journal of Organic Chemistry, 2006 , # 3 p. 759 - 764

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