3,4-Dihydro-(1H)-benzopyrane
- CAS NO.：493-08-3
- Empirical Formula: C9H10O
- Molecular Weight: 134.18
- MDL number: MFCD00138123
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:16:10
What is 3,4-Dihydro-(1H)-benzopyrane?
Definition
ChEBI: A benzopyran consisting of a pyran ring having a benzene ring ortho-fused across positions 2 and 3.
Synthesis Reference(s)
The Journal of Organic Chemistry, 46, p. 1384, 1981 DOI: 10.1021/jo00320a032
Properties of 3,4-Dihydro-(1H)-benzopyrane
| Melting point: | 4.8°C |
| Boiling point: | 215°C (estimate) |
| Density | 1.0720 |
| refractive index | 1.5444 |
| storage temp. | 2-8°C |
| solubility | Chloroform (Sparingly), Methanol (Slightly) |
| color | Colourless to light yellow |
Safety information for 3,4-Dihydro-(1H)-benzopyrane
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H226:Flammable liquids H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. |
Computed Descriptors for 3,4-Dihydro-(1H)-benzopyrane
3,4-Dihydro-(1H)-benzopyrane manufacturer
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