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Pyrazole cas no:288-13-1

Synonyms: 1,2-Diazole; Pyrazole = Pyrazol = 1,2-Diazole

Identification
NamePyrazole
CAS288-13-1
Synonyms1,2-Diazole; Pyrazole = Pyrazol = 1,2-Diazole
EINECS(EC#)206-017-1
Molecular FormulaC3H4N2
Molecular Weight68.08
Chemical Properties
AppearanceWhite Crystal
refractive index1.4203 (20 C)
storage tempStore in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Sensitive Hygroscopic
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass6.1(b)
Safety Data

Hazard Xn:Harmful
Risk R22;R36/37/38
Safety

Safety Information of?Pyrazole (CAS NO.288-13-1):
Hazard Codes:Xn?
Risk Statements:22-36/37/38-52-20/21/22
22:Harmful if swallowed?
36/37/38:Irritating to eyes, respiratory system and skin
52:Harmful to aquatic organisms?
20/21/22:Harmful by inhalation, in contact with skin and if swallowed???
Safety Statements:26-36/37-61-37/39-36
26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37:Wear suitable protective clothing and gloves?
61:Avoid release to the environment. Refer to special instructions safety data sheet
37/39:Wear suitable gloves and eye/face protection?
36:Wear suitable protective clothing?????
RIDADR:2811
WGK Germany:1
RTECS:UQ4900000
HazardClass:6.1(b)
PackingGroup:III
HS Code:29331990
Moderately toxic by ingestion and intraperitoneal routes. Experimental teratogenic and reproductive effects. When heated to decomposition it emits toxic fumes of NOx.


HS Code 29331990

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LD50 intravenous 175mg/kg (175mg/kg) ? Investigational New Drugs. The Journal of New Anticancer Agents. Kluwer Academic Pub., POB 358, Accord Stn., Hingham, MA 02018) V.1- 1983-Vol. 6, Pg. 305, 1988.
mouse LD50 intraperitoneal 538mg/kg (538mg/kg) ? Journal of Pharmacology and Experimental Therapeutics. Vol. 178, Pg. 199, 1971.
mouse LD50 intravenous 374mg/kg (374mg/kg) ? Experientia. Vol. 28, Pg. 1198, 1972.
mouse LD50 oral 409mg/kg (409mg/kg) ? Experientia. Vol. 28, Pg. 1198, 1972.
rat LD50 intraperitoneal 900mg/kg (900mg/kg) ? Journal of Pharmaceutical Sciences. Vol. 57, Pg. 537, 1968.
rat LD50 intravenous 1021mg/kg (1021mg/kg) ? Experientia. Vol. 28, Pg. 1198, 1972.
rat LD50 oral 1010mg/kg (1010mg/kg) BEHAVIORAL: COMA

LIVER: "HEPATITIS (HEPATOCELLULAR NECROSIS), ZONAL"

LIVER: FATTY LIVER DEGERATION
Experientia. Vol. 25, Pg. 816, 1969.

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