![anhydride of rel-(1R,2S,3R,4S)-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,CAS No. 6118-51-0.](https://public.whmall.com/system/0/chemical/image/2007/09/04/1188888888-2205254_C8H6O4.png "anhydride of rel-(1R,2S,3R,4S)-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,CAS No. 6118-51-0.")
anhydride of rel-(1R,2S,3R,4S)-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid CAS No.6118-51-0 / Cat No.EBD2205254
exo,exo-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarbocyclic anhydride
anhydride of rel-(1R,2S,3R,4S)-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid
exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride
5,6-Dehydronorcantharidin
exo-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride
(3aR,4S,7R,7aS)-3a,4,7,7a-tetrahydro-4,7-epoxy-2-benzofuran-1,3-dione
Properties
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Density:
1.54g/cm3
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Melting point:
118 °C (dec.)(lit.)
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Boiling point:
372°Cat760mmHg
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Flashing point:
172.2°C
Safety Information
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Symbol:
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Signal words:
Warning -
Hazard statements:
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
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Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
NMR Spectrum
Prediction： 1H NMR (400 MHz, CDCl3): delta 6.59-6.57 (m, 2H), 5.47-5.44 (m, 2H), 3.19 (s, 2H).
1H NMR
13C NMR
