8.04784

Isatoic anhydride

for synthesis

• Synonym(s): Isatoic anhydride, Anthranilic acid N-carboxylic acid anhydride, 1,4-Dihydro-2H-3,1-benzoxazin-2,4-dione, 2H-3,1-Benzoxazine-2,4-(1H)-dione
• Empirical Formula (Hill Notation): C₈H₅NO₃
• CAS Number: 118-48-9
• Molecular Weight: 163.13
• UNSPSC Code: 12352115
• EC Index Number: 204-255-0
• NACRES: NA.22
• MDL number: MFCD00006700

Properties

• Quality Segment: 200
• assay: ≥97.0% (acidimetric)
• form: powder
• autoignition temp.: >600 °C
• potency: >6400 mg/kg LD₅₀, oral (Rat), >2000 mg/kg LD₅₀, skin (Rabbit)
• bp: 350 °C/1013 hPa
• mp: 230-232 °C
• transition temp: flash point 308 °C
• solubility: 0.3 g/L
• bulk density: 600 kg/m³
• storage temp.: 2-30°C
• SMILES string: N1c2c(cccc2)C(=O)OC1=O
• InChI: 1S/C8H5NO3/c10-7-5-3-1-2-4-6(5)9-8(11)12-7/h1-4H,(H,9,11)
• InChI key: TXJUTRJFNRYTHH-UHFFFAOYSA-N

Description

Analysis Note

Assay (acidimetric): ≥ 97.0 %
Identity (IR): passes test

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H317 - H319
• pcodes: P261 - P264 - P272 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Sens. 1
• Storage Class: 11 - Combustible Solids
• wgk: WGK 1
• flash_point_f: 586.4 °F - closed cup
• flash_point_c: 308 °C - closed cup