DIANTIPYRYLMETHANE

Product Name: DIANTIPYRYLMETHANE
CAS No.: 1251-85-0
Chemical Name: DIANTIPYRYLMETHANE
Synonyms: NSC 60670;TOSLAB 33092;Trichachnine;DIANTIPYRYLMETHANE;Diantipyryl Methan;DIANTIPYRRYLMETHANE;Bisantipyrylmethane;Diantipyrinylmethane;Di-antipyrinemethane;Methylenediantipyrine
CBNumber: CB2443038
Molecular Formula: C23H24N4O2
Formula Weight: 388.46
MOL File: 1251-85-0.mol

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DIANTIPYRYLMETHANE Property

Melting point:: 156 °C (dec.)(lit.)
Boiling point:: 514.17°C (rough estimate)
Density: 1.1960 (rough estimate)
bulk density: 430kg/m3
refractive index: 1.6500 (estimate)
storage temp.: Sealed in dry,Room Temperature
solubility: 0.431g/l (experimental)
pka: 1.26±0.65(Predicted)
form: powder to crystal
color: White
Water Solubility: 439mg/L(20 ºC)
BRN: 59702
Stability:: Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference: 1251-85-0(CAS DataBase Reference)
EPA Substance Registry System: 3H-Pyrazol-3-one, 4,4'-methylenebis[1,2-dihydro-1,5-dimethyl-2-phenyl- (1251-85-0)

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Safety

Safety Statements: 22-24/25
WGK Germany: 3
HS Code: 29331990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: D27608
Product name: 4,4′-Methylenediantipyrine
Purity: 97%
Packaging: 25g
Price: $88.9
Updated: 2025/07/31

Sigma-Aldrich

Product number: 1.03133
Product name: Diantipyrylmethane
Purity: GR for analysis (reagent for titanium)
Packaging: 25g
Price: $530
Updated: 2022/05/15

TCI Chemical

Product number: D1029
Product name: 4,4'-Diantipyrylmethane Monohydrate[for Ti Analysis]
Purity: >98.0%(T)
Packaging: 25g
Price: $38
Updated: 2025/07/31

TRC

Product number: M324540
Product name: 4,4''-Methylenebis(1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one)
Packaging: 2.5g
Price: $75
Updated: 2021/12/16

Frontier Specialty Chemicals

Product number: JK289401
Product name: Diantipyrylmethane
Purity: 98%
Packaging: 10g
Price: $13
Updated: 2021/12/16

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DIANTIPYRYLMETHANE Chemical Properties,Usage,Production

Chemical Properties

white crystalline powder

Uses

Diantipyrylmethane is a chromogenic agent commonly used in spectrophotometry and extraction photometry for the determination of metals such as Au(III), Ti(IV), Ir, Fe(III), Mo, Nd, U(IV), Ir, Pt, and Re. Diantipyrylmethane is a kind of biological materials or organic compounds that are widely used in life science research[1].

References

[1] Bergmeyer H U, et al. Biochemical reagents[M]//Methods of Enzymatic Analysis. Academic Press, 1965: 967-1037.

DIANTIPYRYLMETHANE Preparation Products And Raw materials

Raw materials

Preparation Products

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DIANTIPYRYLMETHANE Suppliers

Americas 1 Austria 1 Belgium 2 CHINA 193 Europe 4 Germany 6 India 5 Japan 2 Russia 1 Switzerland 3 United Kingdom 6 United States 15 Global 239

Tianmen Hengchang Chemical Co., Ltd

Tel: 027-027-59322316 15172518801
Fax: 027-59322316
Email: 1208480077@qq.com
Country: China
ProdList: 9850
Advantage: 58

J & K SCIENTIFIC LTD.

Tel: 18210857532; 18210857532
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
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3B Pharmachem (Wuhan) International Co.,Ltd.

Tel: 821-50328103-801 18930552037
Fax: 86-21-50328109
Email: 3bsc@sina.com
Country: China
ProdList: 15838
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TCI (Shanghai) Development Co., Ltd.

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

Energy Chemical

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Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44801
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JinYan Chemicals(ShangHai) Co.,Ltd.

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Fax: 86-021-50426522,50426273
Email: sales@jingyan-chemical.com
Country: China
ProdList: 9976
Advantage: 60

Shanghai Hanhong Scientific Co.,Ltd.

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Email: info@hanhongsci.com
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ProdList: 42934
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Shandong Xiya Chemical Co., Ltd

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Syntechem Co.,Ltd

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Country: China
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Tianjin heowns Biochemical Technology Co., Ltd.

Tel: 400 638 7771
Email: sales@heowns.com
Country: China
ProdList: 14435
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View Lastest Price from DIANTIPYRYLMETHANE manufacturers

Shaanxi Didu New Materials Co. Ltd

Product: DIANTIPYRYLMETHANE 1251-85-0
Price: US $1.50/g
Min. Order: 1g
Purity: 99.0% Min
Supply Ability: 10 Tons
Release date: 2025-06-24

Hebei Chuanghai Biotechnology Co., Ltd

Product: DIANTIPYRYLMETHANE 1251-85-0
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-29

Hebei Zhuanglai Chemical Trading Co.,Ltd

Product: DIANTIPYRYLMETHANE 1251-85-0
Price: US $80.00/kg
Min. Order: 1kg
Purity: 99
Supply Ability: 5000
Release date: 2024-06-06

1251-85-0, DIANTIPYRYLMETHANERelated Search:

Ammonium iron(II) sulfate Triethanolamine Sodium hypochlorite 2,3-Dihydrobenzofuran Sodium acetate Antipyrine Pyrazole PURPURIN 4,4'-DIANTIPYRYLMETHANE HYDRATE,4,4'-DIANTIPYRYLMETHANE MONOHYDRATE,DIANTIPYRYLMETHANE MONOHYDRATE 4,4'-((5-(4-CHLOROPHENYL)FURAN-2-YL)METHYLENE)BIS(1,5-DIMETHYL-2-PHENYL-1,2-DIHYDROPYRAZOL-3-ONE) 4,4'-(BUTANE-1,1-DIYL)BIS(1,5-DIMETHYL-2-PHENYL-1,2-DIHYDROPYRAZOL-3-ONE) DIANTIPYRYLMETHANE 4,4'-DIANTIPYRYLMETHANE MONOHYDRATE, 97 TOSLAB 33122

TOSLAB 33092

DIANTIPYRRYLMETHANE

DIANTIPYRYLMETHANE

4,4'-METHYLENEDIANTIPYRINE

4,4’-methylenebis(1,2-dihydro-1,5-dimethyl-2-phenyl)-3H-Pyrazol-3-one

4,4’-methylenebis[1,2-dihydro-1,5-dimethyl-2-phenyl-3h-pyrazol-3-on

Bisantipyrylmethane

Diantipyrinylmethane

NSC 60670

Diantipyrylmethane GR for analysis (reagent for titanium)

DAPM, Diantipyrylmethane

4,4'-Methylenediantipyrine 97%

Di-(1-phenyl-2，3-dimethylpyrazolon-5-yl)methane

DI(4-antipyryl)methane,monohydrate

Di-antipyrinemethane

4,4'-methyldiantipyrine

4,4'-Diantipyrylmethane Hydrate [for Ti Analysis]

Diantipyrylmethane, Trichachnine monohydrate

Diantipyrylmethane ,98%

4,4'-Methylenebis(1,5-dimethyl-2-phenyl-3(2H)-pyrazolone)

Methylenediantipyrine

Diantipyrylmethane,99%

3H-Pyrazol-3-one, 4,4-methylenebis1,2-dihydro-1,5-dimethyl-2-phenyl-

4,4'-Diantipyrylmethane Monohydrate [for Ti Analysis]

DIANTIPYRYLMETHANE GR FOR ANALYSIS (REAG

Trichachnine

Diantipyryl Methan

4,4'-Diantipyrylmethane Monohydrate[for Ti Analysis]&gt

4,4'-Methylenebis(1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one)

4,4'-Diantipyrylmethane monohydrate

4,4’-Methylenediantipyrine

4,4′-Methylenediantipyrine, CAS 1251-85-0

1251-85-0

C23H24N4O2

Analytical Reagents

Analytical Chromatography Product Catalog

Pyrazoles