5-Methyl-2-benzofuran-1,3-dione

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Names

[ CAS No. ]:
19438-61-0

[ Name ]:
5-Methyl-2-benzofuran-1,3-dione

[Synonym ]:
4-methylphthalic acid anhydride
4-Methylphthalic anh
5-methyl-3-isobenzofurandione
5-methylphthalic acid anhydride
Resorcinol dibenzoate
1,3-Isobenzofurandione, 5-methyl-
4-Methylphalic Anhydride
4-methyl-phthalic anhydride
4-Methylphthalic Anhydride
5-Methyl-1,3-isobenzofurandione
Ethyl-2-benzofuran
MFCD00041856
5-Methyl-2-benzofuran-1,3-dione
5-Methylisobenzofuran-1,3-dione
EINECS 243-073-6

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
295.0±0.0 °C at 760 mmHg

[ Melting Point ]:
90-92 °C(lit.)

[ Molecular Formula ]:
C9H6O3

[ Molecular Weight ]:
162.142

[ Flash Point ]:
156.3±19.2 °C

[ Exact Mass ]:
162.031693

[ PSA ]:
43.37000

[ LogP ]:
2.06

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

[ Index of Refraction ]:
1.597

[ Water Solubility ]:
insoluble

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 4-Chlorotoluene
  • 4-Methylphthalic acid
  • cis-1,2,3,6-tetrahydro-4-methylphthalic anhydride
  • 4-Methyltetrahydrophthalic anhydride
  • Toluene
  • 5-methyl-4,5,6,7-tetrahydro-2-benzofuran-1,3-dione
  • Bromine
  • acetic acid
  • 1,3-Isobenzofurandione,5,6-dimethyl-

DownStream

  • 4-Methylphthalimide
  • 9,10-Anthracenedione,2,6-dimethyl-
  • 2,7-dimethylanthracene-9,10-dione
  • Tectoquinone
  • 5-methyl-2,3-dihydro-1H-isoindole
  • 2-Hydroxy-5-methylisoindoline-1,3-dione
  • Benzoic acid,2-benzoyl-5-methyl-
  • Phthalic acid, 4-methyl-, dimethyl ester (8CI)
  • 6-methyl-1,2,3,4-tetraphenylnaphthalene

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

  • 5-Methyl-2-benzofuran-1,3-dione
  • 5-methyl-4,5,6,7-tetrahydro-2-benzofuran-1,3-dione
  • 5-methyl-3a,4,5,9b-tetrahydrobenzo[e][2]benzofuran-1,3-dione
  • 5-methyl-6-(nitromethyl)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
  • 4-Methyltetrahydrophthalic anhydride
  • Hexahydro-4-methylphthalic anhydride
  • 2-Chloro-5-(((pyrrolidin-2-ylmethyl)sulfonyl)methyl)thiazole hydrochloride
  • Diclofensine hydrochloride, (R)-
  • Diclofensine hydrochloride, (S)-
  • 2-Chloro-5-(((piperidin-3-ylmethyl)sulfonyl)methyl)thiazole hydrochloride
  • Fenticonazole nitrate, (R)-
  • Trimeprazine maleate, (S)-
  • 2-(1,4-Dimethoxy-5,6,7,8-tetrahydro-2-naphthalenyl)ethylamine hydrochloride
  • Methylenedioxypyrovalerone hydrochloride, (S)-
  • Dimethyl piperidine-3,4-dicarboxylate
  • Ergometrinine perchlorate
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