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 Ⅰ;Edaravone IMpurity IV;LABOTEST-BB LT00008461;Edaravone DiMer IMpurity
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

Ethyl acetoacetate N-Bromosuccinimide Sodium acetate trihydrate Acetic acid Phenylhydrazine

Preparation Products

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BISPYRAZOLONE Suppliers

Americas 1 Canada 1 China 120 Europe 3 Germany 4 India 11 Japan 5 Slovakia 1 Switzerland 1 United Kingdom 7 United States 21 Global 175

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: 1995
Advantage: 65

Alfa Aesar

Tel: 400-6106006
Fax: 021-67582001/03/05
Email: saleschina@alfa-asia.com
Country: China
ProdList: 30123
Advantage: 84

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24529
Advantage: 81

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44688
Advantage: 61

Shanghai Hanhong Scientific Co.,Ltd.

Tel: 021-54306202 13764082696
Email: info@hanhongsci.com
Country: China
ProdList: 42958
Advantage: 64

Chemsky（shanghai）International Co.,Ltd.

Tel: 021-50135380
Email: shchemsky@sina.com
Country: China
ProdList: 32321
Advantage: 50

Shandong Xiya Chemical Co., Ltd

Tel: 4009903999 13355009207
Fax: 0539-6365991
Email: 3007715519@qq.com
Country: China
ProdList: 18738
Advantage: 57

Syntechem Co.,Ltd

Tel
Fax: E-Mail Inquiry
Email: info@syntechem.com
Country: China
ProdList: 12984
Advantage: 57

Sichuan Kulinan Technology Co., Ltd

Tel: 400-1166-196 18981987031
Fax: 028-84555506 800101999
Email: cdhxsj@163.com
Country: China
ProdList: 11707
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 Weibang Biotechnology Co., Ltd

Product: BISPYRAZOLONE 7477-67-0
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-29

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

7477-67-0, BISPYRAZOLONERelated Search:

1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 1H-Pyrazole, 5-methoxy-3-methyl-1-phenyl- Acetyl ketene Edaravone Impurity 14 Edaravone Impurity 26 Edaravone Impurity 5 Edaravone Impurity 8 ethyl 3-acetoxy-2-butenoate Edaravone Impurity 15 Edaravone Impurity 19 1H-Pyrazole,3-ethoxy-5-methyl-1-phenyl-(9CI) Edaravone Impurity 6 NSC4751 Edaravone 5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid benzenediazonium chloride 4,5-Dihydro-α,3-diMethyl-5-oxo-1-phenyl-α-sulfo-1H-pyrazole-4-acetic Acid Edaravone Impurity 11

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

Bis(3-methyl-1-phenyl-5-pyrazolone), for Determination of CN, Vitamin B12, etc，≥ 97.0%

3,3’-Dimethyl-1,1’-diphenyl-[4,4’-bi-2-pyrazoline]-5,5’-dione

4,4’-Bis(1-phenyl-3-methyl-5-pyrazolone/3,3’-Dimethyl-1,1’-diphenyl[4,4’-bi-1H-pyrazole

Edaravone impurity Ⅰ

3,3'-Dimethyl-1,1'-diphenyl-1H,1'H-[4,4'-bipyrazole]-5,5'(4H,4'H)-dione (Edaravone Impurity)

3,3'-dimethyl-1,1'-diphenyl-4,4'-bi-5-pyrazolone

Edaravone Impurity Ⅰ:2,2’,4,4’-Tetrahydro-5,5’-dimethyl-2,2’-diphenyl-[4,4’-Bi-3H-pyrazole]-3,3’-dione

7477-67-0

84006-10-3

C20H18N4O2