CAS Number491-38-3
Synonyms1-Benzopyran-4-one; 2,3-Benzo-4-pyrone; Benzo-γ-pyrone; 1,4-benopyrone; 4H-Chromen-4-one; T66 BO EVJ; 1,4-benzopyrone; 4-oxo-4H-1-benzopyran; Benzo-g-pyrone; benzopyran-4-one; EINECS 207-737-9; 4H-Benzo(b)pyran-4-one; MFCD00024064; 4-Chromone; Chromone; 4H-1-Benzopyran-4-one; 4H-benzo[b]pyran-4-one; Chromen-4-one
Molecular FormulaC9H6O2
Molecular Weight146.14
Purity99%
Density1.2±0.1 g/cm3
Boiling Point238.5±33.0 °C at 760 mmHg
Melting Point55-60 °C (lit.)
AppearanceWhite to slightly yellow crystalline powder
EINECS207-737-9
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 491-38-3 |
| Catalog No. | 2A-9007405 |
| Chinese Name | 乙色唑 |
| Synonyms | 1-Benzopyran-4-one; 2,3-Benzo-4-pyrone; Benzo-γ-pyrone; 1,4-benopyrone; 4H-Chromen-4-one; T66 BO EVJ; 1,4-benzopyrone; 4-oxo-4H-1-benzopyran; Benzo-g-pyrone; benzopyran-4-one; EINECS 207-737-9; 4H-Benzo(b)pyran-4-one; MFCD00024064; 4-Chromone; Chromone; 4H-1-Benzopyran-4-one; 4H-benzo[b]pyran-4-one; Chromen-4-one |
| Molecular Formula | C9H6O2 |
| Molecular Weight | 146.14 |
| Purity | 99 |
| Density | 1.2±0.1 g/cm3 |
| Boiling Point | 238.5±33.0 °C at 760 mmHg |
| Melting Point | 55-60 °C (lit.) |
| Appearance | White to slightly yellow crystalline powder |
| Storage Condition | Use and store according to specifications, will no |
| EINECS | 207-737-9 |
| HTC | 2932999099 |
| PubChem ID | 24851900 |
| MDL Number | MFCD00024064 |
| SMILES | O=C1C=COc2ccccc12 |
| InChI | 1S/C9H6O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-6H |
| InChI Key | OTAFHZMPRISVEM-UHFFFAOYSA-N |
| NACRES Code | NA.22 |
| UNSPSC | 12352100 |
| Hazard Symbols | Transport |
| MSDS | msds/7405_1_491_38_3.pdf |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 6.5%. Ordinary tariff: 20.0% |
| Transport Info | Shipping Name: UN |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN dangerous goods number European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.2 United Nations shipping name European Land Transport Dangerous Regulations: Non-dangerous goods IMDG Code: Non-dangerous goods International air transport dangerous goods regulations: non-dangerous goods 14.3 Transport hazard categories European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.4 Package group European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.5 Environmental hazards European Land Transport Danger Regulations: No International Maritime Danger Regulations International Air Transport Danger Regulations: No Marine pollutants (yes/no): No 14.6 Special reminder to users No data available |
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