3H-Pyrazol-3-one,1,2-dihydro-4-iodo-1,5-dimethyl-2-phenyl- cas no:129-81-7

Name3H-Pyrazol-3-one,1,2-dihydro-4-iodo-1,5-dimethyl-2-phenyl-
CAS129-81-7
SynonymsAntipyrine,4-iodo- (6CI,7CI,8CI); 4-Iodo-2,3-dimethyl-1-phenylpyrazol-5-one;4-Iodo-2,3-dimethyl-1-phenylpyrazolone; 4-Iodoantipyrine; Antipyrine iodide;Arthripur; Iodantipirin; Iodoantipyrine; Iodophenazone; Iodopyrine;Jodantipyrin; Jodopyrin
EINECS(EC#)204-966-6
Molecular FormulaC11H11 I N2 O
Molecular Weight314.12

refractive index1.697
Sensitive Light Sensitive

Hazard Moderately toxic by ingestion.
Risk R36/37/38
Safety

Moderately toxic by ingestion and intraperitoneal routes. When heated to decomposition it emits toxic vapors of NO_x and I⁻.Safety information of 4-Iodo-1,5-dimethyl-2-phenylpyrazol-3-one (CAS NO.129-81-7):
Hazard Codes  Xi
Risk Statements 
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements 
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36 Wear suitable protective clothing
RTECS  UQ9080000
Hazard Note  Irritant

1.		orl-rat LD50:2060 mg/kg		EKFAE9    Eksperimentalnaya i Klinicheskaya Farmakologiya. Experimental and Clinical Pharmacology. 61 (2)(1998),57.
2.		ipr-rat LD50:1720 mg/kg		EKFAE9    Eksperimentalnaya i Klinicheskaya Farmakologiya. Experimental and Clinical Pharmacology. 61 (2)(1998),57.
3.		orl-mus LD50:1600 mg/kg		EKFAE9    Eksperimentalnaya i Klinicheskaya Farmakologiya. Experimental and Clinical Pharmacology. 61 (2)(1998),57.