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Name	7-Methylcoumarin	EINECS	N/A
CAS No.	2445-83-2	Density	1.2g/cm³
PSA	30.21000	LogP	2.10140
Solubility	N/A	Melting Point	128-130 °C(lit.)
Formula	C10H8 O2	Boiling Point	171-172 °C11 mm Hg(lit.)
Molecular Weight	160.172	Flash Point	125.9°C
Transport Information	N/A	Appearance	N/A
Safety	Poison by subcutaneous route. Moderately toxic by ingestion. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.	Risk Codes	23/24/25
Molecular Structure		Hazard Symbols	N/A
Synonyms	Coumarin,7-methyl- (6CI,7CI,8CI); 7-Methyl-2H-1-benzopyran-2-one;7-Methyl-2H-chromen-2-one; 7-Methylchromen-2-one; 7-Methylcoumarin; NSC 19511	Article Data	34

7-Methylcoumarin Chemical Properties

Molecular Structure of 7-Methylcoumarin (CAS NO.2445-83-2):

IUPAC Name: 7-methylchromen-2-one
assay ≥98%
Empirical Formula: C₁₀H₈O₂
Molecular Weight: 160.1693
Surface Tension: 44.2 dyne/cm
Density: 1.2 g/cm³
Flash Point: 125.9 °C
Enthalpy of Vaporization: 55.41 kJ/mol
Boiling Point: 313.1 °C at 760 mmHg
Vapour Pressure: 0.000508 mmHg at 25°C
Index of Refraction: 1.583
Product Categories:Coumarins;CoumarinsFluorescent Probes, Labels, Particles and Stains;Building Blocks;Fluorescent Labels;Heterocyclic Building Blocks;Other Fluorescent Labels
Packaging: 10, 50 g in glass btl
Synonyms of 7-Methylcoumarin (CAS NO.2445-83-2): Methylcoumarin,7- ; 7-Methylcoumarin ; 7-Methylcoumarin ; 7-methyl-2h-1-benzopyran-2-on ; 7-Methyl-2H-1-benzopyran-2-one ; 7-Methyl-2H-chromen-2-one;7-Methyl-chromen-2-one ; 7-methyl-coumari

7-Methylcoumarin Toxicity Data With Reference

1.	skn-rbt 500 mg/24H MLD	FCTOD7 Food and Chemical Toxicology. 20 (Suppl)(1982),747.
2.	orl-rat LD50:3800 mg/kg	FCTOD7 Food and Chemical Toxicology. 20 (Suppl)(1982),747.
3.	scu-mus LD50:258 mg/kg	YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. 76 (1956),168.

7-Methylcoumarin Consensus Reports

Reported in EPA TSCA Inventory.

7-Methylcoumarin Safety Profile

Poison by subcutaneous route. Moderately toxic by ingestion. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Risk Statements：23/24/25
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
Safety Statements 1-13-45
S1 :Keep locked up.
S13:Keep away from food, drink and animal foodstuffs.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany 2
RTECS GN7792100

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