4,5-Dichloro-2-(4-Chlorophenyl)-2,3-Dihydropyridazin-3-One

Melting point :186-188 °C(Solv: ethanol (64-17-5))
Boiling point :353.0±52.0 °C(Predicted)
Density :1.55±0.1 g/cm3(Predicted)
storage temp. :Storage temp. 2-8°C
pka :-4.22±0.60(Predicted)
Appearance :Off-white to light yellow Solid

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P312 Call a POISON CENTER or doctor/physician if you feel unwell. P321 Specific treatment (see … on this label). P322 Specific measures (see …on this label). P330 Rinse mouth. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P362 Take off contaminated clothing and wash before reuse. P363 Wash contaminated clothing before reuse. P501 Dispose of contents/container to..…