Introduction：Basic information about CAS 21744-84-3|4-Methyl-2H-1,4-benzoxazin-3-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-Methyl-2H-1,4-benzoxazin-3-one |
|---|
| CAS Number | 21744-84-3 | Molecular Weight | 163.17300 |
|---|
| Density | 1.209g/cm3 | Boiling Point | 369.5ºC at 760mmHg |
|---|
| Molecular Formula | C9H9NO2 | Melting Point | 57-60ºC |
|---|
| MSDS | / | Flash Point | 177.3ºC |
|---|
Names
| Name | 4-methyl-1,4-benzoxazin-3-one |
|---|
| Synonym | More Synonyms |
|---|
Chemical & Physical Properties
| Density | 1.209g/cm3 |
|---|
| Boiling Point | 369.5ºC at 760mmHg |
|---|
| Melting Point | 57-60ºC |
|---|
| Molecular Formula | C9H9NO2 |
|---|
| Molecular Weight | 163.17300 |
|---|
| Flash Point | 177.3ºC |
|---|
| Exact Mass | 163.06300 |
|---|
| PSA | 29.54000 |
|---|
| LogP | 1.10680 |
|---|
| Vapour Pressure | 1.18E-05mmHg at 25°C |
|---|
| Index of Refraction | 1.563 |
|---|
| InChIKey | DBJMEBUKQVZWMD-UHFFFAOYSA-N |
|---|
| SMILES | CN1C(=O)COc2ccccc21 |
|---|
Safety Information
| Hazard Codes | Xi:Irritant; |
|---|
| Risk Phrases | R36/37/38 |
|---|
| Safety Phrases | S26-S36 |
|---|
| WGK Germany | 3 |
|---|
| HS Code | 2934999090 |
|---|
Customs
| HS Code | 2934999090 |
|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
|---|
Synonyms
| 4-methyl-2H-1,4-benzooxazin-3-one |
| 4-methyl-2H-benzo[e]1,4-oxazaperhydroin-3-one |
| 4-methyl-2H-1,4-benzoxazine-3(4H)-one |
| 4-methyl-3-oxo-2,3-dihydro-4H-1,4-benzoxazine |
| 4-Methyl-2H-1,4-Benzoxazin-3-one |
| MFCD00601365 |
| 4-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one |
| 4-methyl-3,4-dihydro-2H-1,4-benzoxazin-3-one |
| 4-Methyl-2H-1,4-benzoxazin-3(4H)-one |
| 4-methyl-4H-benzo[1,4]oxazin-3-one |
| F0918-7120 |
