Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Diethyl propargylmalonate
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Purity: 98.0%
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17920-23-9

17920-23-9 structure

Name: Diethyl propargylmalonate
Chemical Name: diethyl 2-prop-2-ynylpropanedioate
CAS Number: 17920-23-9
Molecular Formula: C₁₀H₁₄O₄
Molecular Weight: 198.21600
Create Date: 2018-12-29 13:12:24
Modify Date: 2026-07-17 07:05:29

Name	diethyl 2-prop-2-ynylpropanedioate
Synonyms	MALONIC ACID,2-PROPYNYL-,DIETHYL ESTER Diethyl 2-Propynylmalonate USAF KF-9 diethyl prop-2-yn-1-ylpropanedioate Diethyl 2-propgylmalonate Propgylmalonic Acid Diethyl Ester Diethyl Propargylmalonate Diethyl propgylMalonate 2-(Propgyl)malonic acid diethyl ester Propanedioic acid, 2-(2-propyn-1-yl)-, 1,3-diethyl ester 2-propargylmalonic acid diethyl ester Diethyl (prop-2-ynyl)malonate diethyl 2-(prop-2-yn-1-yl)Malonate Propargylmalonic Acid Diethyl Ester 2-Propynylmalonic acid diethyl ester 2-Propynylmalonic Acid Diethyl Ester Propanedioicacid,2-(2-propyn-1-yl)-,diethylester Malonic acid, 2-(2-propynyl)-, diethyl ester 1,3-DIETHYL 2-(PROP-2-YN-1-YL)PROPANEDIOATE Propanedioic acid,2-propynyl-, diethyl ester Diethyl 2-(2-propynyl)malonate Nsc28575 Malonic acid, (2-propynyl)-, diethyl ester Diethyl 2-Propynylmalonate >

Density	1.073g/cm3
Boiling Point	259.7ºC at 760mmHg
Molecular Formula	C₁₀H₁₄O₄
Molecular Weight	198.21600
Flash Point	121 °C
Exact Mass	198.08900
PSA	52.60000
LogP	0.75210
Vapour Pressure	0.0128mmHg at 25°C
Index of Refraction	1.45

CHEMICAL IDENTIFICATION

RTECS NUMBER :: OO1630000

CHEMICAL NAME :: Malonic acid, 2-propynyl-, diethyl ester

CAS REGISTRY NUMBER :: 17920-23-9

BEILSTEIN REFERENCE NO. :: 1103668

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C10-H14-O4

MOLECULAR WEIGHT :: 198.24

WISWESSER LINE NOTATION :: 2OVYVO2&2UU1

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 :: 100 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

HS Code	2917190090

491862-29-4

~92%

17920-23-9

Literature: Brummond, Kay M.; Chen, Hongfeng; Sill, Peter; You, Lingfeng Journal of the American Chemical Society, 2002 , vol. 124, # 51 p. 15186 - 15187

624-65-7

105-53-3

17920-23-9

Literature: Derzhinskii,A.R. et al. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1965 , p. 1197 - 1201 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1965 , p. 1237 - 1241

106-96-7

105-53-3

~84%

17920-23-9

Literature: Yadav; Reddy, B. V. Subba; Mishra, Anand Kumar Chemistry Letters, 2010 , vol. 39, # 3 p. 280 - 281

68922-87-2

106-96-7

17920-23-9

Literature: Mitsubishi Tanabe Pharma Corporation Patent: EP2172450 A1, 2010 ; Location in patent: Page/Page column 68-69 ; EP 2172450 A1

6165-76-0

105-53-3

17920-23-9

Literature: INDIAN INSTITUTE OF TECHNOLOGY BOMBAY Patent: WO2006/117800 A2, 2006 ; Location in patent: Page/Page column 16 ;

996-82-7

106-96-7

17920-23-9

Literature: Schulte; Reiss Chemische Berichte, 1954 , vol. 87, p. 964,969 Full Text Show Details Eglinton; Whiting Journal of the Chemical Society, 1953 , p. 3052,3055

64-17-5

17920-23-9

Literature: Perkin jun.; Simonsen Journal of the Chemical Society, 1907 , vol. 91, p. 823

996-82-7

624-65-7

17920-23-9

Literature: Colonge; Gelin Bulletin de la Societe Chimique de France, 1954 , p. 797

Precursor 7
624-65-7 105-53-3 106-96-7 68922-87-2
6165-76-0 996-82-7 64-17-5
DownStream 10
96017-59-3 101268-55-7 6089-09-4 178447-22-8
168422-43-3 2583-25-7 264873-23-6 89228-86-4
922336-94-5 55183-44-3

HS Code	2917190090
Summary	2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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