2H-Pyran-2,6(3H)-dione,4-ethyldihydro-4-methyl-

Names

[ Name ]:
2H-Pyran-2,6(3H)-dione,4-ethyldihydro-4-methyl-

[Synonym ]:
3-Aethyl-3-methyl-glutarsaeure-anhydrid
EINECS 230-194-4
4-Ethyl-4-methyldihydro-2H-pyran-2,6(3H)-dione
4-ethyldihydro-4-methyl-2H-pyran-2,6(3H)-dione
3-ethyl-3-methyl-glutaric acid-anhydride
3-Ethyl-3-methylglutaric anhydride
3-ethyl-3-methyl-pentanedioic acid anhydride
4-ethyl-4-methyl-dihydro-pyran-2,6-dione

Chemical & Physical Properties

[ Density]:
1.058 g/mL at 25ºC(lit.)

[ Boiling Point ]:
185ºC20 mm Hg(lit.)

[ Molecular Formula ]:
C₈H₁₂O₃

[ Molecular Weight ]:
156.17900

[ Flash Point ]:
203 °F

[ Exact Mass ]:
156.07900

[ PSA ]:
43.37000

[ LogP ]:
1.26630

[ Index of Refraction ]:
1.443

MSDS

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Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S24/25

[ WGK Germany ]:
3

[ HS Code ]:
2917190090

Synthetic Route

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Precursor & DownStream

Precursor

DownStream

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%