4-Hydroxy-4-methyldihydro-2H-pyran-2,6(3H)-dione
Names
[ CAS No. ]:
34695-32-4
[ Name ]:
4-Hydroxy-4-methyldihydro-2H-pyran-2,6(3H)-dione
[Synonym ]:
4-hydroxy-4-methyloxane-2,6-dione
2H-Pyran-2,6(3H)-dione, dihydro-4-hydroxy-4-methyl-
4-Hydroxy-4-methyldihydro-2H-pyran-2,6(3H)-dione
Chemical & Physical Properties
[ Density]:
1.4±0.1 g/cm3
[ Boiling Point ]:
315.2±35.0 °C at 760 mmHg
[ Melting Point ]:
97-99ºC
[ Molecular Formula ]:
C6H8O4
[ Molecular Weight ]:
144.125
[ Flash Point ]:
138.3±19.4 °C
[ Exact Mass ]:
144.042252
[ PSA ]:
63.60000
[ LogP ]:
-1.47
[ Vapour Pressure ]:
0.0±1.5 mmHg at 25°C
[ Index of Refraction ]:
1.500
Safety Information
[ HS Code ]:
2918199090
Customs
[ HS Code ]: 2918199090
[ Summary ]:
2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%