China (Mainland)
Assessedsupplier 
4H-1-Benzopyran-4-one,2,3-dihydro- CAS NO.491-37-2
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T,MoneyGram,Other
- Product Details
Keywords
- 4H-1-Benzopyran-4-one,2,3-dihydro-? price
- 4H-1-Benzopyran-4-one,2,3-dihydro-? CAS 491-37-2
- 4H-1-Benzopyran-4-one,2,3-dihydro-? supplier in China
Quick Details
- ProName: 4H-1-Benzopyran-4-one,2,3-dihydro-
- CasNo: 491-37-2
- Molecular Formula: C9H8O2?
- Appearance: white to light yellow crystal powder
- Application: Used as Pharmaceutical Intermediates
- DeliveryTime: 15 days after order confirmed
- PackAge: 1kg/bag, 1kg/drum or 25kg/drum or as p...
- Port: Shanghai, Ningbo, Tianjin, etc
- ProductionCapacity: 1 Metric Ton/Month
- Purity: 99%
- Storage: Stored in cool, dry and ventilation pl...
- Transportation: as per your request
- LimitNum: 1 Kilogram
Superiority
superior quality
Details
| 4-Chromanone Chemical Properties |
| mp | 35-38 °C(lit.) |
| bp | 127-128 °C13 mm Hg(lit.) |
| refractive index |
n |
| Fp | >230 °F |
| BRN | 124652 |
| CAS DataBase Reference | 491-37-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 4H-1-Benzopyran-4-one, 2,3-dihydro-(491-37-2) |
| EPA Substance Registry System | 4H-1-Benzopyran- 4-one, 2,3-dihydro-(491-37-2) |
| Safety Information |
| Hazard Codes | Xi |
| Risk Statements | 33-36/37/38 |
| Safety Statements | 24/25-36-26 |
| WGK Germany | 2 |
| RTECS | DJ2981225 |
| HazardClass | IRRITANT |
| MSDS Information |
| Provider | Language |
|---|---|
| 4-Chromanone | English |
| ACROS | English |
| SigmaAldrich | English |
| ALFA | English |