5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one CAS NO.89-25-8

product name: 5-methyl-2-phenyl-1,2-dihydropyrazol-3-one

cas: 89-25-8
mf: c10h10n2o
mw: 174.2
einecs: 201-891-0

mol file: 89-25-8.mol
5-methyl-2-phenyl-1,2-dihydropyrazol-3-one structure
5-methyl-2-phenyl-1,2-dihydropyrazol-3-one chemical properties
melting point 126-128 °c(lit.)
boiling point 287 °c265 mm hg(lit.)
density 1,12 g/cm3
refractive index 1.6300 (estimate)
fp 191°c/17mm
storage temp. store at rt
solubility 3.30g/l
pka 2.73±0.50(predicted)
form crystalline powder
color yellow to beige
ph 4.0-4.4 (h2o, 20℃)(saturated aqueous solution)
water solubility 3 g/l (20 ºc)
merck 14,6713
brn 609575
inchikey qeluytumuwhwmc-uhfffaoysa-n
cas database reference 89-25-8(cas database reference)
nist chemistry reference 3h-pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-(89-25-8)
epa substance registry system 1-phenyl-3-methyl-5-pyrazolone (89-25-8)
safety information
hazard codes xi
risk statements 36/37/38
safety statements 26-36
wgk germany 1
rtecs uq9625000
tsca yes
hs code 29331990
hazardous substances data 89-25-8(hazardous substances data)
toxicity ld50 orl-rat: 3500 mg/kg lonza# 08feb79