4-Methyltetrahydrophthalic anhydride

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Names

[ CAS No. ]:
3425-89-6

[ Name ]:
4-Methyltetrahydrophthalic anhydride

[Synonym ]:
Methyltetrahydrophthalic anhydride,MTHPA
5-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
Isomethyltetrahydrophthalic anhydride
3a,4,7,7atetrahydro-5-methylisobenzofuran-1,3-dione
1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-5-methyl
1,2,3,6-Tetrahydro-4-methylphthalic anhydride
4,4-methyltetrahydrophthalic anhydride
4-Methyltetrahydrophthalic anhydride
4-methylcyclohex-4-ene-1,2-dicarboxylic acid anhydride
1,3-Isobenzofurandione, 3a,4,5,7a-tetrahydro-5-methyl-
4-Methyl-1,2,3,6-tetrahydrophthalic anhydride
EINECS 222-323-8
4-Methyl-4-cyclohexene-1,2-dicarboxylic Anhydride
MFCD00067707
4-Methyl-Δ4-tetrahydrophthalic Anhydride

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
303.0±41.0 °C at 760 mmHg

[ Melting Point ]:
59-60°C

[ Molecular Formula ]:
C9H10O3

[ Molecular Weight ]:
166.174

[ Flash Point ]:
142.9±24.8 °C

[ Exact Mass ]:
166.062988

[ PSA ]:
43.37000

[ LogP ]:
0.57

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.508

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xn

[ Risk Phrases ]:
R41;R42/43

[ Safety Phrases ]:
S22-S24-S26-S37/39

[ RIDADR ]:
3335

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Maleic anhydride
  • isoprene

DownStream

  • 4-Methylphthalic acid
  • 4-Methylbenzoic acid
  • 5-methyl-3a,4,7,7a-tetrahydroisoindole-1,3-dione
  • 5-Methyl-2-benzofuran-1,3-dione
  • 5-methyl-4,5,6,7-tetrahydro-2-benzofuran-1,3-dione
  • Hexahydro-4-methylphthalic anhydride
  • Methyl tetrahydrophthalic anhydride
  • Terephthalic acid

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 4-Methyltetrahydrophthalic anhydride, 4-MTHPA
  • Methyltetrahydrophthalic anhydride
  • N-(1-octylnonyl)-perylene-3,4:9,10-tetracarboxylic acid-3,4-anhydride-9,10-carboximide
  • Monoacryloyloxyethy Methylhexahdrophthalate (MAMHP)
  • 1,3-Isobenzofurandione, tetrahydromethyl-
  • 4-CHLOROBENZENESELENINIC ANHYDRIDE