5,7-dihydroxy-4-methyl-coumari

Name	5,7-Dihydroxy-4-methylcoumarin
Synonyms	NSC 5302 AI3-23192 HSDB 4277 CCRIS 5908 4-Methyllimetol 5,7-dihydroxy-4-methyl-coumari 4-Methyl-5,7-dihydroxycoumarin 5,7-Dihydroxy-4-methylcoumarin 5,7-DIHYDROXY-4-METHYLCOUMARIN 4-METHYL-5,7-DIHYDROXYCOUMARIN DIHYDROXY-4-METHYLCOUMARIN, 5,7- Coumarin, 5,7-dihydroxy-4-methyl- 5,7-dihydroxy-4-methyl-2-benzopyrone DIHYDROXY-4-METHYLCOUMARIN, 5,7-(RG) 5,7-Dihydroxy-4-methyl-2-benzopyrone 5,7-dihydroxy-4-methyl-2H-chromen-2-one 5,7-DIHYDROXY-4-METHYL-2H-CHROMEN-2-ONE 6-fluoro-4-oxo-4H-chromene-3-carbaldehyde 5,7-dihydroxy-4-methyl-2h-1-benzopyran-2-on 5,7-Dihydroxy-4-methyl-2H-1-benzopyran-2-one 2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-methyl-
CAS	2107-76-8
EINECS	218-289-9
InChI	InChI=1/C10H8O4/c1-5-2-9(13)14-8-4-6(11)3-7(12)10(5)8/h2-4,11-12H,1H3
InChIKey	QNVWGEJMXOQQPM-UHFFFAOYSA-N

Molecular Formula	C10H8O4
Molar Mass	192.17
Density	1.456±0.06 g/cm3(Predicted)
Melting Point	296-299 °C (lit.)
Boling Point	472.1±14.0 °C(Predicted)
Flash Point	197.8°C
Solubility	Insoluble in water.
Vapor Presure	1.55E-09mmHg at 25°C
Appearance	White powder
Color	Off-White to Pale Green
Maximum wavelength(λmax)	322nm(MeOH)(lit.)
BRN	179133
pKa	7.29±0.20(Predicted)
Storage Condition	-20°C Freezer, Under inert atmosphere
Sensitive	Light Sensitive
Refractive Index	1.651
MDL	MFCD00016966

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing.
WGK Germany	3
TSCA	Yes
HS Code	29321900
Hazard Class	IRRITANT

biological activity	5,7-Dihydroxy-4-methylcoumarin is a coumarin derivative of Artemisia argyi.
EPA chemical substance information	information provided by: ofmpeb.epa.gov (external link)
toxic substance data	information provided by: pubchem.ncbi.nlm.nih.gov (external link)

Last Update：2024-04-09 21:21:28

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