Chromone

Modify Date: 2025-08-27 12:10:51

Chromone Structure
Chromone structure
 Common Name Chromone
CAS Number 491-38-3 Molecular Weight 146.143
Density 1.2±0.1 g/cm3 Boiling Point 238.5±33.0 °C at 760 mmHg
Molecular Formula C9H6O2 Melting Point 55-60 °C(lit.)
MSDS N/A Flash Point 106.5±18.9 °C

 Names

Name chromone
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 238.5±33.0 °C at 760 mmHg
Melting Point 55-60 °C(lit.)
Molecular Formula C9H6O2
Molecular Weight 146.143
Flash Point 106.5±18.9 °C
Exact Mass 146.036774
PSA 30.21000
LogP 1.38
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.595
InChIKey OTAFHZMPRISVEM-UHFFFAOYSA-N
SMILES O=c1ccoc2ccccc12

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GB7887000
CHEMICAL NAME :
Chromone
CAS REGISTRY NUMBER :
491-38-3
BEILSTEIN REFERENCE NO. :
0114087
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C9-H6-O2
MOLECULAR WEIGHT :
146.15
WISWESSER LINE NOTATION :
T66 BO EVJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
91 mg/kg
TOXIC EFFECTS :
Behavioral - anticonvulsant
REFERENCE :
PMDCAY Progress in Medical Chemistry. (Elsevier Science Pub. Co., Inc., 52 Vanderbilt Ave., New York, NY 10017) V.1- 1961- Volume(issue)/page/year: 9,65,1973

 Safety Information

Hazard Codes Xn
Risk Phrases 22
Safety Phrases S36/37/39-S26
WGK Germany 3
RTECS GB7887000
HS Code 2932999099

 Synthetic Route

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 ChromoneBioassay

View more

Name: QFRET-based biochemical primary high throughput screening assay to identify exosite i...
Source: The Scripps Research Institute Molecular Screening Center
Target: disintegrin and metalloproteinase domain-containing protein 17 preproprotein [Homo sapiens]
External Id: ADAM17_INH_QFRET_1536_1X%INH PRUN
Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN
Name: Cytotoxicity against HUVEC cells assessed as cell viability at 90 ug/ml after 24 hrs ...
Source: ChEMBL
Target: HUVEC
External Id: CHEMBL892854
Name: Schnurri-3 Inhibitors: specific inducers of adult bone formation Measured in Cell-Bas...
Source: Broad Institute
Target: N/A
External Id: 2134-01_Inhibitor_SinglePoint_HTS_Activity_Set2
Name: Fluorescence polarization to screen for inhibitor that competite the binding of FadD2...
Source: Broad Institute
Target: FATTY-ACID-CoA LIGASE FADD28 (FATTY-ACID-CoA SYNTHETASE)
External Id: 2147-01_Inhibitor_SinglePoint_HTS_Activity
Name: Inhibition of TNF-alpha-induced ICAM1 expression in HUVEC cells at 90 ug/ml after 2 h...
Source: ChEMBL
Target: HUVEC
External Id: CHEMBL892863
Name: Fluorescence polarization-based biochemical high throughput primary assay to identify...
Source: The Scripps Research Institute Molecular Screening Center
Target: abhydrolase domain-containing protein 4 isoform 1 [Mus musculus]
External Id: ABHD4_INH_FP_1536_1X%INH PRUN
Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN
Name: Luciferase Reporter Cell Based HTS to identify inhibitors of N-linked Glycosylation M...
Source: Broad Institute
Target: N/A
External Id: 2146-01_Inhibitor_SinglePoint_HTS_Activity
Name: Cholera Quorum: HTS for inducers of light production in the absence ofautoinducers us...
Source: Broad Institute
Target: N/A
External Id: 2132-01_Agonist_SinglePoint_HTS_Activity
Total 64, Current Page 1 of 7
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 Synonyms

1-Benzopyran-4-one
2,3-Benzo-4-pyrone
Benzo-γ-pyrone
1,4-benopyrone
4H-Chromen-4-one
T66 BO EVJ
1,4-benzopyrone
4-oxo-4H-1-benzopyran
Benzo-g-pyrone
benzopyran-4-one
EINECS 207-737-9
4H-Benzo(b)pyran-4-one
MFCD00024064
4-Chromone
Chromone
4H-1-Benzopyran-4-one
4H-benzo[b]pyran-4-one
Chromen-4-one
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Chemsrc provides Chromone(CAS#:491-38-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Chromone are included as well.>> amp version: Chromone

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