Chromone
Names
[ CAS No. ]:
491-38-3
[ Name ]:
Chromone
[Synonym ]:
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
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
[ Boiling Point ]:
238.5±33.0 °C at 760 mmHg
[ Melting Point ]:
55-60 °C(lit.)
[ Molecular Formula ]:
C9H6O2
[ Molecular Weight ]:
146.143
[ Flash Point ]:
106.5±18.9 °C
[ Exact Mass ]:
146.036774
[ PSA ]:
30.21000
[ LogP ]:
1.38
[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C
[ Index of Refraction ]:
1.595
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- GB7887000
- CHEMICAL NAME :
- Chromone
- CAS REGISTRY NUMBER :
- 491-38-3
- BEILSTEIN REFERENCE NO. :
- 0114087
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C9-H6-O2
- MOLECULAR WEIGHT :
- 146.15
- WISWESSER LINE NOTATION :
- T66 BO EVJ
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 91 mg/kg
- TOXIC EFFECTS :
- Behavioral - anticonvulsant
- REFERENCE :
- PMDCAY Progress in Medical Chemistry. (Elsevier Science Pub. Co., Inc., 52 Vanderbilt Ave., New York, NY 10017) V.1- 1961- Volume(issue)/page/year: 9,65,1973
Safety Information
[ Hazard Codes ]:
Xn
[ Risk Phrases ]:
22
[ Safety Phrases ]:
S36/37/39-S26
[ WGK Germany ]:
3
[ RTECS ]:
GB7887000
[ HS Code ]:
2932999099
Synthetic Route
Customs
[ HS Code ]: 2932999099
[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%