8.04784 EMD Millipore

Isatoic anhydride

Isatoic anhydride for synthesis. CAS 118-48-9, molar mass 163.13 g/mol., for synthesis

Synonym: Anthranilic acid N-carboxylic acid anhydride, 1,4-Dihydro-2H-3,1-benzoxazin-2,4-dione, 2H-3,1-Benzoxazine-2,4-(1H)-dione

  • CAS Number 118-48-9

  • Linear Formula C₈H₅NO₃

  • Molecular Weight 163.13 g/mol

  •  EC Number 204-255-0



Related Categories Biochemicals and Reagents More...
packaging   100 g in Plastic bottle (8047840100)
bp   350 °C (1013 hPa)
solubility   0.3 g/l
flash point   308 °C
autoignition temp.   >600 °C
mp   230 - 232 °C
bulk density   600 kg/m3
LD 50 oral   LD50 Rat > 6400 mg/kg
LD 50 dermal   LD50 Rabbit > 2000 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (acidimetric): ≥ 97.0 %
  Identity (IR): passes test

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Safety Information

HS Code 
2934 99 90
Hazard Statement(s) 
H317: May cause an allergic skin reaction.
H319: Causes serious eye irritation.
Precautionary Statement(s) 
P280: Wear protective gloves.
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 1 slightly water endangering
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, sensitizing
R Phrase 
R 36-43
Irritating to eyes.May cause sensitisation by skin contact.
S Phrase 
S 24-26-37
Avoid contact with skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves.
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