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DIANTIPYRYLMETHANE

DIANTIPYRYLMETHANE structure

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

Molecular Weight:: 388.46

MDL Number:: MFCD00003147

MOL File:: 1251-85-0.mol

MSDS File:: SDS

Last updated:2025-06-24 21:05:35

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DIANTIPYRYLMETHANE Properties

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)
form	powder to crystal
pka	1.26±0.65(Predicted)
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)
UNSPSC Code	12352115
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P261-P305+P351+P338
Safety Statements	22-24/25
WGK Germany	3
HS Code	29331990

DIANTIPYRYLMETHANE price More Price(13)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	D27608	4,4′-Methylenediantipyrine 97%	1251-85-0	25g	$88.9	2025-07-31	Buy
Sigma-Aldrich	1.03133	Diantipyrylmethane GR for analysis (reagent for titanium)	1251-85-0	25g	$530	2022-05-15	Buy
TCI Chemical	D1029	4,4'-Diantipyrylmethane Monohydrate[for Ti Analysis] >98.0%(T)	1251-85-0	25g	$38	2025-07-31	Buy
TRC	M324540	4,4''-Methylenebis(1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one)	1251-85-0	2.5g	$75	2021-12-16	Buy
Frontier Specialty Chemicals	JK289401	Diantipyrylmethane 98%	1251-85-0	10g	$13	2021-12-16	Buy

Product number	Packaging	Price	Buy
D27608	25g	$88.9	Buy
1.03133	25g	$530	Buy
D1029	25g	$38	Buy
M324540	2.5g	$75	Buy
JK289401	10g	$13	Buy

DIANTIPYRYLMETHANE Chemical Properties,Uses,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 synthesis

Synthesis of DIANTIPYRYLMETHANE from Antipyrine

DIANTIPYRYLMETHANE Preparation Products And Raw materials

Raw materials

1,5-Dimethyl-4-(1-hydroxy-2,2,2-trichloroethyl)-2-phenyl-4-pyrazolin-3-one 1,5-DIMETHYL-3-OXO-2-PHENYL-2,3-DIHYDRO-1H-PYRAZOLE-4-CARBALDEHYDE OXIME ANTIPYRINECARBOXYLIC ACID Antipyrine Iodomethane

Formaldehyde

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Preparation Products

DIANTIPYRYLMETHANE Suppliers

Global( 237)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-29-81148696 +86-15536356810	1022@dideu.com	China	3889	58
Hebei Mujin Biotechnology Co.,Ltd	+8613288715578	sales@hbmojin.com	China	12628	58
Shaanxi Didu New Materials Co. Ltd	+86-89586680 +86-13289823923	1026@dideu.com	China	8982	58
Hebei Chuanghai Biotechnology Co., Ltd	+8615531151365	mina@chuanghaibio.com	China	18126	58
Hebei Zhuanglai Chemical Trading Co.,Ltd	+8613343047651	admin@zlchemi.com	China	3692	58
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29855	58
Hebei Yanxi Chemical Co., Ltd.	+8618531123677	faithe@yan-xi.com	China	5853	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	eric@witopchemical.com	China	23541	58
Finetech Industry Limited	+86-27-8746-5837 +8619945049750	info@finetechnology-ind.com	China	9629	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Hebei Mujin Biotechnology Co.,Ltd	58
Shaanxi Didu New Materials Co. Ltd	58
Hebei Chuanghai Biotechnology Co., Ltd	58
Hebei Zhuanglai Chemical Trading Co.,Ltd	58
career henan chemical co	58
Hebei Yanxi Chemical Co., Ltd.	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
Finetech Industry Limited	58

View Lastest Price from DIANTIPYRYLMETHANE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-08-08	DIANTIPYRYLMETHANE 1251-85-0	US $0.00 / KG	1KG	99%	50000KG/month	Hebei Mujin Biotechnology Co.,Ltd
2025-06-27	DIANTIPYRYLMETHANE 1251-85-0	US $0.00-0.00 / KG	1KG	99%	500000kg	Hebei Chuanghai Biotechnology Co., Ltd
2025-06-24	DIANTIPYRYLMETHANE 1251-85-0	US $1.50 / g	1g	99.0% Min	10 Tons	Shaanxi Didu New Materials Co. Ltd

DIANTIPYRYLMETHANE
1251-85-0
US $0.00 / KG
99%
Hebei Mujin Biotechnology Co.,Ltd

DIANTIPYRYLMETHANE
1251-85-0
US $0.00-0.00 / KG
99%
Hebei Chuanghai Biotechnology Co., Ltd

DIANTIPYRYLMETHANE
1251-85-0
US $1.50 / g
99.0% Min
Shaanxi Didu New Materials Co. Ltd

DIANTIPYRYLMETHANE Spectrum

DIANTIPYRYLMETHANE(1251-85-0)MS DIANTIPYRYLMETHANE(1251-85-0)¹HNMR DIANTIPYRYLMETHANE(1251-85-0)¹³CNMR DIANTIPYRYLMETHANE(1251-85-0)IR1 DIANTIPYRYLMETHANE(1251-85-0)IR2 DIANTIPYRYLMETHANE(1251-85-0)Raman

1251-85-0(DIANTIPYRYLMETHANE)Related 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

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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]> 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