2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-

Modify Date: 2025-08-23 17:30:43

2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy- structure	Common Name	2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-
	CAS Number	6335-27-9	Molecular Weight	190.19500
	Density	1.269g/cm3	Boiling Point	371.3ºC at 760 mmHg
	Molecular Formula	C₁₁H₁₀O₃	Melting Point	N/A
	MSDS	N/A	Flash Point	167.2ºC

Name	5-hydroxy-4,7-dimethylchromen-2-one
Synonym	More Synonyms

Density	1.269g/cm3
Boiling Point	371.3ºC at 760 mmHg
Molecular Formula	C₁₁H₁₀O₃
Molecular Weight	190.19500
Flash Point	167.2ºC
Exact Mass	190.06300
PSA	50.44000
LogP	2.11540
Index of Refraction	1.599
InChIKey	JJHLYYXMYNBADE-UHFFFAOYSA-N
SMILES	Cc1cc(O)c2c(C)cc(=O)oc2c1

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GN6705000

CHEMICAL NAME :: Coumarin, 4,7-dimethyl-5-hydroxy-

CAS REGISTRY NUMBER :: 6335-27-9

BEILSTEIN REFERENCE NO. :: 0163053

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C11-H10-O3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

HS Code	2932209090

Precursor 10
CAS#:504-15-4 Orcinol CAS#:141-97-9 Ethyl acetoacetate CAS#:105-45-3 Methyl acetoacetate CAS#:108-73-6 Phloroglucinol
CAS#:703-29-7 Ethanone,1-(2,4... CAS#:855286-94-1 5-hydroxy-4,7-d... CAS#:3187-58-4 Methyl 2,4-dihy... CAS#:853928-08-2 5-hydroxy-4,7-d...
CAS#:2524-37-0 Ethyl orsellinate CAS#:7664-38-2 Phosphoric acid
DownStream 1
CAS#:14002-98-3 5-methoxy-4,7-d...

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

4,7-dimethyl-5-hydroxy-2H-1-benzopyran-2-one

Coumarin,4,7-dimethyl-5-hydroxy

4,7-dimethyl-5-hydroxycoumarin

5-hydroxy-4,7-dimethyl-2H-chromen-2-one

5-hydroxy-4,7-dimethylcoumarin

5-hydroxy-4,7-dimethyl-6-nitrosocoumarin

5-hydroxy-4,7-dimethyl-2H-1-benzopyran-2-one

2H-1-Benzopyran-2-one,4,7-dimethyl-5-hydroxy

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-hydroxy-4,7-dimethyl-2H-chromen-2-one
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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