6,7-Dihydroxy-4-methyl-2H-chromen-2-one
Suppliers
Names
[ CAS No. ]:
529-84-0
[ Name ]:
6,7-Dihydroxy-4-methyl-2H-chromen-2-one
[Synonym ]:
6,7-Dihydroxy-4-methylcoumarin
4-Methylesculetin
EINECS 208-470-0
MFCD00006859
6,7-Dihydroxy-4-methyl-2H-chromen-2-one
2H-1-Benzopyran-2-one, 6,7-dihydroxy-4-methyl-
6,7-dihydroxy-4-methylchromen-2-one
Chemical & Physical Properties
[ Density]:
1.5±0.1 g/cm3
[ Boiling Point ]:
455.5±45.0 °C at 760 mmHg
[ Melting Point ]:
274-276 °C(lit.)
[ Molecular Formula ]:
C10H8O4
[ Molecular Weight ]:
192.168
[ Flash Point ]:
190.8±22.2 °C
[ Exact Mass ]:
192.042252
[ PSA ]:
70.67000
[ LogP ]:
2.08
[ Vapour Pressure ]:
0.0±1.2 mmHg at 25°C
[ Index of Refraction ]:
1.652
[ Storage condition ]:
2-8°C
[ Water Solubility ]:
DMF: soluble
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- GN6384500
- CHEMICAL NAME :
- Coumarin, 6,7-dihydroxy-4-methyl-
- CAS REGISTRY NUMBER :
- 529-84-0
- BEILSTEIN REFERENCE NO. :
- 0162550
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 3
- MOLECULAR FORMULA :
- C10-H8-O4
- MOLECULAR WEIGHT :
- 192.18
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 5130 mg/kg
- TOXIC EFFECTS :
- Cardiac - arrhythmias (including changes in conduction) Cardiac - cardiomegaly Nutritional and Gross Metabolic - body temperature decrease
- REFERENCE :
- THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 20,879,1965
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 3200 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- MPHEAE Medicina et Pharmacologia Experimentalis. (Basel, Switzerland) V.12-17, 1965-67. For publisher information, see PHMGBN. Volume(issue)/page/year: 17,497,1967
Safety Information
[ Hazard Codes ]:
Xi: Irritant;
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S26-S36
[ WGK Germany ]:
2
[ RTECS ]:
GN6384500
[ HS Code ]:
2932209090
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2932209090
[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%