4-Hydroxy-3-(p-tolyl)-2H-1-benzopyran-2-one

Modify Date: 2024-04-09 16:04:05

4-Hydroxy-3-(p-tolyl)-2H-1-benzopyran-2-one Structure
4-Hydroxy-3-(p-tolyl)-2H-1-benzopyran-2-one structure
Common Name 4-Hydroxy-3-(p-tolyl)-2H-1-benzopyran-2-one
CAS Number 73791-19-2 Molecular Weight 252.26500
Density 1.324g/cm3 Boiling Point 406.1ºC at 760 mmHg
Molecular Formula C16H12O3 Melting Point N/A
MSDS N/A Flash Point 153.2ºC

 Names

Name 4-hydroxy-3-(4-methylphenyl)chromen-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.324g/cm3
Boiling Point 406.1ºC at 760 mmHg
Molecular Formula C16H12O3
Molecular Weight 252.26500
Flash Point 153.2ºC
Exact Mass 252.07900
PSA 50.44000
LogP 3.47400
Index of Refraction 1.663

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GN7648500
CHEMICAL NAME :
Coumarin, 4-hydroxy-3-(p-tolyl)-
CAS REGISTRY NUMBER :
73791-19-2
BEILSTEIN REFERENCE NO. :
1287628
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C16-H12-O3
MOLECULAR WEIGHT :
252.28
WISWESSER LINE NOTATION :
T66 BO CVJ EQ DR D1

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

 Synonyms

4-hydroxy-3-p-tolyl-chromen-2-one
4-hydroxy-3-p-tolyl-2H-chromen-2-one
4-hydroxy-3-p-tolylcoumarin
4-Hydroxy-3-p-tolyl-cumarin