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8.41502 EMD Millipore

2,3-Dimethylmaleic anhydride

2,3-Dimethylmaleic anhydride for synthesis. CAS 766-39-2, molar mass 126.11 g/mol., for synthesis

Synonym: 3,4-Dimethyl-2,5-furandione

  • CAS Number 766-39-2

  • Linear Formula C₆H₆O₃

  • Molecular Weight 126.11 g/mol

  •  EC Number 212-165-8

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Properties

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bp   223 °C
density   1.107 g/cm3 (100 °C)
mp   96 °C
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 98.0 % (a/a)
  Melting range (lower value): ≥ 92 °C
  Melting range (upper value): ≤ 95 °C
  Identity (IR): passes test

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Safety & Documentation

Safety Information

HS Code 
2917 19 80
Hazard Statement(s) 
H315: Causes skin irritation.
H319: Causes serious eye irritation.
Precautionary Statement(s) 
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage class 
10 - 13 Other liquids and solids
WGK 
WGK 3 highly water endangering
Disposal 
3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Irritant  Irritant
Categories of danger 
irritant
R Phrase 
R 36/38
Irritating to eyes and skin.
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