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Cytosine cas no:71-30-7

Synonyms: 4-Amino-2-hydroxypyrimidine; 4-Amino-2-oxo-1,2-dihydropyrimidine

Identification
NameCytosine
CAS71-30-7
Synonyms4-Amino-2-hydroxypyrimidine; 4-Amino-2-oxo-1,2-dihydropyrimidine
EINECS(EC#)200-749-5
Molecular FormulaC4H5N3O
Molecular Weight111.1
Chemical Properties
Appearancewhite solid
refractive index1.688
storage tempStore at RT.
Safety Data

Hazard Xi:Irritant
Risk R36/37/38
Safety

Hazard Codes:?Xi,?Xn
Risk Statements: 36/37/38-20/21/22?
R36/37/38:Irritating to eyes, respiratory system and skin.?
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 26-36-37/39?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S36:Wear suitable protective clothing.?
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 1
RTECS: UW7350150
Hazard Note: Irritant


Toxicity
Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal > 2222mg/kg (2222mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)
Journal of Pharmacology and Experimental Therapeutics. Vol. 207, Pg. 504, 1978.
?

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