Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-HYDROXY-3-PHENYLCOUMARIN
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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1786-05-6

1786-05-6 structure

1786-05-6 structure

Name: 4-HYDROXY-3-PHENYLCOUMARIN
Chemical Name: 4-hydroxy-3-phenylchromen-2-one
CAS Number: 1786-05-6
Molecular Formula: C₁₅H₁₀O₃
Molecular Weight: 238.23800
Create Date: 2018-09-20 21:18:46
Modify Date: 2025-08-25 23:23:17

Name	4-hydroxy-3-phenylchromen-2-one
Synonyms	2H-1-Benzopyran-2-one,4-hydroxy-3-phenyl 4-hydroxy-3-phenyl-chromen-2-one 4-Hydroxy-3-phenylcoumarin COUMARIN,4-HYDROXY-3-PHENYL 3-phenyl-4-hydroxycoumarin 4-Hydroxy-3-phenyl-2H-1-benzopyran-2-one 4-Hydroxy-3-phenyl-2H-chromen-2-one

Density	1.367g/cm3
Boiling Point	393.7ºC at 760mmHg
Molecular Formula	C₁₅H₁₀O₃
Molecular Weight	238.23800
Flash Point	151.5ºC
Exact Mass	238.06300
PSA	50.44000
LogP	3.16560
Vapour Pressure	6.63E-07mmHg at 25°C
Index of Refraction	1.679

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GN7585000

CHEMICAL NAME :: Coumarin, 4-hydroxy-3-phenyl-

CAS REGISTRY NUMBER :: 1786-05-6

BEILSTEIN REFERENCE NO. :: 1285893

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C15-H10-O3

MOLECULAR WEIGHT :: 238.25

WISWESSER LINE NOTATION :: T66 BOVJ DR& EQ

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 :: 250 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 14,29,1964

HS Code	2932209090

Precursor 7
98-80-6 855850-02-1 103-80-0 119-36-8
1076-38-6 28899-97-0 3076-54-8
DownStream 3
2288-98-4 2491-31-8 479-12-9

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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