6H-Dibenzo[b,d]pyran-6-one,3,7,9-trihydroxy-1-methyl- cas no:641-38-3

Name6H-Dibenzo[b,d]pyran-6-one,3,7,9-trihydroxy-1-methyl-
CAS641-38-3
SynonymsAlternariol(6CI,7CI); NSC 638263
Molecular FormulaC14H10 O5
Molecular Weight258.24

refractive index1.731
storage temp2-8°C

Hazardclass6.1(b)

Hazard T+
Risk 26/27/28
Safety

Hazard Codes: T+
Risk Statements: 26/27/28 
R26/27/28: Very toxic by inhalation, in contact with skin and if swallowed.
Safety Statements: 28-36/37/39-45 
S28: After contact with skin, wash immediately with plenty of soap-suds. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany: 3
RTECS: HP8757000
HazardClass: 6.1(b)
PackingGroup: III
Poison by intraperitoneal route. An experimental teratogen. Other experimental reproductive effects. When heated to decomposition Alternariol (CAS NO.641-38-3) emits acrid smoke and fumes.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LDLo	intraperitoneal	100mg/kg (100mg/kg)		EHP, Environmental Health Perspectives. Vol. 4, Pg. 87, 1973.