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BISPYRAZOLONE

Product Name
BISPYRAZOLONE
CAS No.
7477-67-0
Chemical Name
BISPYRAZOLONE
Synonyms
NSC 37393;NSC 401001;BISPYRAZOLONE;edaravone diMer;Bispyrazolone, GR;Bispyrazolone, 98+%;Edaravone IMpurity IV;LABOTEST-BB LT00008461;Edaravone DiMer IMpurity;edaravone related substance A
CBNumber
CB0360601
Molecular Formula
C20H18N4O2
Formula Weight
346.38
MOL File
7477-67-0.mol
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BISPYRAZOLONE Property

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
pka
2.15±0.70(Predicted)
form 
crystalline
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)
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Safety

Hazard Codes 
Xi
Risk Statements 
43
Safety Statements 
36/37
WGK Germany 
3
TSCA 
Yes
HS Code 
29331990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H317May cause an allergic skin reaction

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P321Specific treatment (see … on this label).

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
15156
Product name
Bispyrazolone
Purity
for TLC derivatization, for the det.of cyanide, ≥98.0%
Packaging
5g
Price
$50.8
Updated
2024/03/01
TCI Chemical
Product number
B0508
Product name
Bis(3-methyl-1-phenyl-5-pyrazolone) [for Determination of CN, Vitamin B12, etc]
Purity
>97.0%(T)
Packaging
25g
Price
$114
Updated
2024/03/01
TCI Chemical
Product number
B0508
Product name
Bis(3-methyl-1-phenyl-5-pyrazolone) [for Determination of CN, Vitamin B12, etc]
Purity
>97.0%(T)
Packaging
250g
Price
$633
Updated
2024/03/01
Alfa Aesar
Product number
A14308
Product name
Bispyrazolone, 98+%
Packaging
5g
Price
$42.2
Updated
2024/03/01
Alfa Aesar
Product number
A14308
Product name
Bispyrazolone, 98+%
Packaging
25g
Price
$136
Updated
2024/03/01
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BISPYRAZOLONE Chemical Properties,Usage,Production

Chemical Properties

off-white to cream-yellowish crystalline powder

Uses

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.

Uses

Bispyrazolone is an impurity of Edaravone (E335000).

BISPYRAZOLONE Preparation Products And Raw materials

Raw materials

Preparation Products

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BISPYRAZOLONE Suppliers

J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
future industrial shanghai co., ltd
Tel
400-0066400 13621662912
Fax
021-55660885
Email
sales@jonln.com
Country
China
ProdList
1998
Advantage
65
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696;
Email
info@hanhongsci.com
Country
China
ProdList
42982
Advantage
64
Chemsky(shanghai)International Co.,Ltd.
Tel
021-50135380
Email
shchemsky@sina.com
Country
China
ProdList
32344
Advantage
50
Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18736
Advantage
57
Syntechem Co.,Ltd
Tel
Fax
E-Mail Inquiry
Email
info@syntechem.com
Country
China
ProdList
12990
Advantage
57
BEST-REAGENT
Tel
400-1166-196 18981987031
Fax
028-84555506 800101999
Email
cdhxsj@163.com
Country
China
ProdList
11726
Advantage
57
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View Lastest Price from BISPYRAZOLONE manufacturers

hebei hongtan Biotechnology Co., Ltd
Product
BISPYRAZOLONE 7477-67-0
Price
US $30.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
2000kg
Release date
2024-03-25
Hebei Yanxi Chemical Co., Ltd.
Product
BISPYRAZOLONE 7477-67-0
Price
US $100.00/KG
Min. Order
1KG
Purity
0.99
Supply Ability
500kg per day
Release date
2023-09-04
Hebei Mojin Biotechnology Co., Ltd
Product
BISPYRAZOLONE 7477-67-0
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-11-30

7477-67-0, BISPYRAZOLONERelated Search:


  • BIS(3-METHYL-1-PHENYL-5-PYRAZOLONE)
  • BIS(1-PHENYL-3-METHYL-5-PYRAZOLONE)
  • BISPYRAZOLONE
  • LABOTEST-BB LT00008461
  • 4,4'-BIS(3-METHYL-1-PHENYL-5-PYRAZOLONE)
  • 4,4'-BIS(1-PHENYL-3-METHYL-5-PYRAZOLONE)
  • 3,3-DIMETHYL-1,1-DIPHENYL-(4,4-BI-2-PYRAZOLINE)-5,5-DIONE
  • 3,3'-DIMETHYL-1,1'-DIPHENYL-[4,4'-BI-2-PYRAZOLINE]-5,5'-DIONE
  • 3,3'-DIMETHYL-1,1'-DIPHENYL-4,4'-BI(5-PYRAZOLONE)
  • 3,3'-DIMETHYL-1,1'-DIPHENYL-[4,4'-BIS-2-PYRAZOLINE]-5,5'-DIONE
  • 3,3'-DIMETHYL-1,1'-DIPHENYL-4,4'-DI-2-PYRAZOLINE-5,5'-DIONE
  • [4,4’-bi-3h-pyrazole]-3,3’-dione,2,2’,4,4’-tetrahydro-5,5’-dimethyl-2,2’-diphe
  • Edaravone Impurity 16 (Bis-pyrazolone)
  • 4,4'-Bis(1-phenyl-3-methyl-5-pyrazolone/3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]
  • Edaravone Impurity Ⅰ:2,2',4,4'-Tetrahydro-5,5'-dimethyl-2,2'-diphenyl-[4,4'-Bi-3H-pyrazole]-3,3'-dione
  • [4,4’-bi-3H-Pyrazole]-3,3’-dione,2,2’,4,4’-tetrahydro-5,5’-dimethyl-2,2’-diphenyl-
  • 4’-bi-3H-Pyrazole]-3,3’-dione,2,2’,4,4’-tetrahydro-5,5’-dimethyl-2,2’-diphenyl-[4
  • Bis(1-phenyl-3-methyl-5-pyrazo
  • BISPYRAZOLONE, FOR THE DETECTION OF CYAN IDE
  • 4,4'-BIS(3-METHYL-1-PHENYL-5-PYRAZOLONE)[FOR DETERMINATION OF CN, VITAMIN B12, ETC] 97+%
  • BISPYRAZOLONE(4,4''-BIS-(3-METHYL-1-PHENYL-5-PYRAZOLONE))
  • 2,2',4,4'-tetrahydro-5,5'-dimethyl-2,2'-diphenyl-[4,4'-bi-3H-Pyrazole]-3,3'-dione
  • 3,3-DIMETHYL-1,1''-DIPHENYL[4,4''-BI-2-PYRAZOLINE]-5,5''-DIONE 98%
  • 3,3'-Dimethyl-1,1'-diphenyl-4,4'-bi(2-pyrazolin-5-one)
  • 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-2-pyrazoline]-5,5'-dione,98%
  • Bispyrazolone,3,3′-Dimethyl-1,1′-diphenyl-(4,4′-bi-2-pyrazoline)-5,5′-dione
  • Bispyrazolone, 98+%
  • Bis(3-Methyl-1-phenylpyrazol-5-one)
  • NSC 37393
  • NSC 401001
  • Bispyrazolone 3,3'-Dimethyl-1,1'-diphenyl-4,4'-bi(5-pyrazolone)
  • [for DeterMination of CN, VitaMin B12, etc]
  • Bis(3-Methyl-1-phenyl-5-pyrazolone)&nbsp
  • edaravone diMer
  • edaravone related substance A
  • Edaravone DiMer IMpurity
  • 3,3'-diMethyl-1,1'-diphenyl-1H,1'H-[4,4'-bipyrazole]-5,5'(4H,4'H)-dione
  • 4,4'-Bis(3-Methyl-1-phenyl-5-pyrazolone), for analysis
  • Edaravone IMpurity IV
  • Bis(3-methyl-1-phenyl-5-pyrazolone) [for Determination of CN, Vitamin B12, etc]
  • 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-2-pyrazoline]-5,5'-dione Bis-pyrazolone Bis(3-methyl-1-phenyl-5-pyrazolone)
  • 4,4'-Bis(3-methyl-1-phenyl-5-pyrazolone), 97%, for analysis
  • Edaravone Impurity IV (Bispyrazolone)
  • Bis(3-methyl-1-phenyl-5-pyrazolone)[forDeterminationofCN,VitaminB12,etc]&gt
  • Bispyrazolone, GR
  • Edaravone Impurity Ⅰ:2,2’,4,4’-Tetrahydro-5,5’-dimethyl-2,2’-diphenyl-[4,4’-Bi-3H-pyrazole]-3,3’-dione
  • 5-methyl-4-(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)-2-phenyl-4H-pyrazol-3-one
  • Bispyrazolone, Technical, Fisher Chemical
  • 7477-67-0
  • 84006-10-3
  • C20H18N4O2
  • CH3CNNC6H5COCH2
  • Pyrazoles
  • TLC Reagents
  • Aromatics, Heterocycles, Impurities, Pharmaceuticals, Intermediates & Fine Chemicals
  • Aromatics
  • Heterocycles
  • Impurities