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

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,5,7-Trihydroxycoumarin
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

17575-26-7

17575-26-7 structure

17575-26-7 structure

Name: 4,5,7-Trihydroxycoumarin
Chemical Name: 4,5,7-trihydroxychromen-2-one
CAS Number: 17575-26-7
Molecular Formula: C₉H₆O₅
Molecular Weight: 194.14100
Create Date: 2018-05-15 08:00:00
Modify Date: 2025-08-25 11:18:04

Name	4,5,7-trihydroxychromen-2-one
Synonyms	Coumarin,4,5,7-trihydroxy 4,5,7-Trihydroxy-2H-chromen-2-one 4,5,7-trihydroxy-chromen-2-one 2H-1-Benzopyran-2-one,4,5,7-trihydroxy 4,5,7-Trihydroxy-cumarin 4,5,7-trihydroxy-coumarin

Density	1.782g/cm3
Boiling Point	443.9ºC at 760mmHg
Molecular Formula	C₉H₆O₅
Molecular Weight	194.14100
Flash Point	188.4ºC
Exact Mass	194.02200
PSA	90.90000
LogP	0.90980
Vapour Pressure	0mmHg at 25°C
Index of Refraction	1.767

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GN8320000

CHEMICAL NAME :: Coumarin, 4,5,7-trihydroxy-

CAS REGISTRY NUMBER :: 17575-26-7

BEILSTEIN REFERENCE NO. :: 0384233

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C9-H6-O5

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

108-73-6 structure

108-73-6

~%

17575-26-7 structure

17575-26-7

Literature: Tetrahedron, , vol. 45, p. 6867 - 6874

162888-73-5 structure

162888-73-5

~%

17575-26-7 structure

17575-26-7

Literature: Pandey, G.; Muralikrishna, C.; Bhalerao, U. T. Tetrahedron, 1989 , vol. 45, p. 6867 - 6874

Precursor 1
108-73-6
DownStream 2
524-12-9 6468-55-9

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

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