3-Methylphthalic anhydride
- CAS NO.：4792-30-7
- Empirical Formula: C9H6O3
- Molecular Weight: 162.14
- MDL number: MFCD00047316
- EINECS: 225-344-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 04:23:33
What is 3-Methylphthalic anhydride?
Chemical properties
pale yellow to pale brown crystalline powder
The Uses of 3-Methylphthalic anhydride
3-Methylphthalic anhydride can react with Methylamine hydrochloride to get 2,3-Dihydro-2,4-dimethyl-1H-isoindole-1,3-dione.
Properties of 3-Methylphthalic anhydride
| Melting point: | 114-118 °C |
| Boiling point: | 248.82°C (rough estimate) |
| Density | 1.2599 (rough estimate) |
| refractive index | 1.5380 (estimate) |
| storage temp. | Inert atmosphere,Room Temperature |
| form | Crystalline Powder or Crystals |
| color | Beige to yellow-brown |
| Water Solubility | Reacts with water. |
| Sensitive | Moisture Sensitive |
| CAS DataBase Reference | 4792-30-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,3-Isobenzofurandione, 4-methyl-(4792-30-7) |
| EPA Substance Registry System | 1,3-Isobenzofurandione, 4-methyl- (4792-30-7) |
Safety information for 3-Methylphthalic anhydride
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 3-Methylphthalic anhydride
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