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HomeProduct name listBISPYRAZOLONE

BISPYRAZOLONE

Synonym(s):3,3′-Dimethyl-1,1′-diphenyl-(4,4′-bi-2-pyrazoline)-5,5′-dione

  • CAS NO.:7477-67-0
  • Empirical Formula: C20H18N4O2
  • Molecular Weight: 346.38
  • MDL number: MFCD00020765
  • EINECS: 231-282-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 13:37:16
BISPYRAZOLONE Structural

What is BISPYRAZOLONE?

Chemical properties

off-white to cream-yellowish crystalline powder

The Uses of BISPYRAZOLONE

Bispyrazolone is an impurity of Edaravone (E335000).

The Uses of BISPYRAZOLONE

It is applied as a reagent for the detection and determination of cyanide. It is also used in an experimental procedure, done in order to remove linamarin in starch from cassava roots, by using plant cell wall-degrading enzymes, xylanase and cellulase. It was also used for spectrophotometric determination and quantization of urea in urine samples. It is also used in assay of cyanogenic compounds and determination of ammonia.

Properties of BISPYRAZOLONE

Melting point: 355 °C
Boiling point: 481.12°C (rough estimate)
Density  1.31
refractive index  1.6620 (estimate)
storage temp.  Refrigerator
solubility  formic acid: 50 mg/mL, clear, yellow
form  crystalline
pka 2.15±0.70(Predicted)
color  tan
BRN  572787
CAS DataBase Reference 7477-67-0(CAS DataBase Reference)
EPA Substance Registry System [4,4'-Bi-3H-pyrazole]-3,3'-dione, 2,2',4,4'-tetrahydro-5,5'-dimethyl-2,2'-diphenyl- (7477-67-0)

Safety information for BISPYRAZOLONE

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H317:Sensitisation, Skin
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P272:Contaminated work clothing should not be allowed out of the workplace.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P321:Specific treatment (see … on this label).
P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention.
P501:Dispose of contents/container to..…

Computed Descriptors for BISPYRAZOLONE

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