USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $8.00-22.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $50.00-70.00 / Kilogram
USD $9.00-99.00 / Kilogram
specifications:
antipyrine
white or primrose yellow crystalline powder
conforming to ep6.6/cos
item | standard | result | |
appearance | white or primrose yellow crystalline powder | white crystalline powder | |
identification | ir | conform | |
melting point | 109~113°c | 111.5°c | |
appearance of solution | clear and colorless | conform | |
acidity or alkalinity | complies | conform | |
chloride | 100ppm max | 80ppm | |
loss on drying | ≤1.0% | 0.01% | |
residue no ignition | ≤0.1% | 0.04% | |
heavy metals | ≤0.002% | <0.002% | |
related compounds | meets the requirements | conform | |
assay (on drying) | 99.0~101% | 99.5% | |
residual solvents(ethanol) | 1000ppm max | 275ppm | |
related substances | impurity a | not detected | |
unspecified impurity0.05%max | not detected | ||
total impurities0.1%max |
not detected |
english name: antipyrine
english alias: antipyrene;2, 3 - dimethyl - 1 - phenyl - 3 - pyrazolin - 5 - one;phenazone;antipyrine, (2, 3 - dimethyl - 1 - phenyl - 3 - pyr; antipyrin (r); apyretine; antipyrin; 1, 5 - dimethyl - 2 - phenyl - 1, 2 - dihydro - 3 h pyrazol - 3 - one; 1, 5 - dimethyl - 2 - phenyl - pyrazolidin - 3 - one; antypirine; 1, 2, 5 - dimethyl - dihydro - 1-2 - phenyl - 3 h pyrazol - 3 - one
the cas number: 60-80-0
einecs no. : 200-486-6
molecular formula: c11h12n2o
molecular weight: 188.23
density: 1.109 g/cm3
melting point: 109-113 ℃
boiling point: 275 ° c at 760 mmhg
flash: 109.4 ° c
solubility in water: 1000 g/l (20 ℃)
vapor pressure: 0.00522 mmhg at 25 ° c
storage information:
store in cool and dry .place, keep away from strong light, high temperature
usage:
iodine is used as the nitrate, nitrite and analytical reagent