Diethyl propargylmalonate

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Names

[ CAS No. ]:
17920-23-9

[ Name ]:
Diethyl propargylmalonate

[Synonym ]:
Diethyl 2-Propynylmalonate
Diethyl Propargylmalonate
Diethyl propargylmalonate
USAF KF-9
2-Propynylmalonic Acid Diethyl Ester
Propargylmalonic Acid Diethyl Ester
2-propargylmalonic acid diethyl ester
MALONIC ACID,2-PROPYNYL-,DIETHYL ESTER

Chemical & Physical Properties

[ 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

MSDS

Click to get detail MSDS

Toxicological Information

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

Safety Information

[ HS Code ]:
2917190090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-Chloropropyne
  • Diethyl malonate
  • 3-Bromopropyne
  • triethyl methanetricarboxylate sodium
  • 2-Propyn-1-yl 4-methylbenzenesulfonate
  • sodium 1,3-diethoxy-1,3-dioxopropan-2-ide
  • Ethanol

DownStream

  • 2-(2-Propyn-1-yl)octanoic acid
  • diethyl 2-prop-1-enyl-2-prop-1-ynylpropanedioate
  • 4-Pentynoic acid
  • 2-prop-2-ynylnonanoic acid
  • methyl tridec-7-en-4-ynoate
  • allylmalonic acid
  • tetraethyl dodec-1-en-6,11-diyne-3,3,8,8-tetracarboxylate
  • diethyl 2-buta-2,3-dienylpropanedioate
  • diethyl 3,4-bis(ethenyl)cyclopent-3-ene-1,1-dicarboxylate
  • pent-4-ynoyl chloride

Customs

[ 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%

Related Compounds

  • Diethyl propargylmalonate
  • Diethyl (2-Bromo-2-propenyl)-(2-propynyl)malonate
  • diethyl (4-methoxyphenylthio)methylphosphonate
  • diethyl N-methylaminomethylphosphonate
  • diethyl 2-(1-ethylsulfanyl-2-methylpropyl)propanedioate
  • diethyl 1-cyano-1-(4-isobutylphenyl)ethylphosphate