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DIANTIPYRYLMETHANE

DIANTIPYRYLMETHANE structure

CAS No.: 1251-85-0

Chemical Name:: DIANTIPYRYLMETHANE

Synonyms: Trichachnine;NSC 60670;TOSLAB 33092;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

TDS File:: TDS

Last updated:2026-05-28 00:29:44

Product description	Number	Pack Size	Price
4,4′-Methylenediantipyrine 97%	D27608	25g	$94.6
Diantipyrylmethane GR for analysis (reagent for titanium)	1.03133	25g	$530
4,4'-Diantipyrylmethane Monohydrate[for Ti Analysis] >98.0%(T)	D1029	25g	$38
4,4'-Diantipyrylmethane Monohydrate [for Ti Analysis]	BAA25185	0.25g	$250
4,4'-Diantipyrylmethane Monohydrate [for Ti Analysis]	BAA25185	2.5g	$906.25

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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)
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.
InChI	1S/C23H24N4O2.H2O/c1-16-20(22(28)26(24(16)3)18-11-7-5-8-12-18)15-21-17(2)25(4)27(23(21)29)19-13-9-6-10-14-19;/h5-14H,15H2,1-4H3;1H2
InChIKey	OSBQFBKEVMIGTJ-UHFFFAOYSA-N
SMILES	O.CN1N(C(=O)C(CC2=C(C)N(C)N(C2=O)c3ccccc3)=C1C)c4ccccc4
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
PPE	Eyeshields, Gloves, type N95 (US)
Safety Statements	22-24/25
WGK Germany	3
TSCA	TSCA listed
HS Code	29331990
Storage Class	11 - Combustible Solids

DIANTIPYRYLMETHANE price More Price(19)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	D27608	4,4′-Methylenediantipyrine 97%	1251-85-0	25g	$94.6	2026-04-30	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	2026-04-30	Buy
Biosynth	BAA25185	4,4'-Diantipyrylmethane Monohydrate [for Ti Analysis]	1251-85-0	0.25g	$250	2026-06-04	Buy
Biosynth	BAA25185	4,4'-Diantipyrylmethane Monohydrate [for Ti Analysis]	1251-85-0	2.5g	$906.25	2026-06-04	Buy

Product number	Packaging	Price	Buy
D27608	25g	$94.6	Buy
1.03133	25g	$530	Buy
D1029	25g	$38	Buy
BAA25185	0.25g	$250	Buy
BAA25185	2.5g	$906.25	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( 244)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-17392712779	1097@dideu.com	China	3989	58
Hebei Chuanghai Biotechnology Co., Ltd	+86-17732866630	mina@chuanghaibio.com	China	18112	58
Hebei Zhuanglai Chemical Trading Co.,Ltd	13343047651	admin@zlchemi.com	China	3689	58
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29766	58
Hebei Yanxi Chemical Co., Ltd.	+86-17531190177	faithe@yan-xi.com	China	5838	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +86-189 4982 3763	sales@tnjchem.com	China	34526	58
ANHUI WITOP BIOTECH CO., LTD	+8618071025641	eric@witopchemical.com	China	23504	58
Finetech Industry Limited	+86-27-8746-5837 +86-18627785180	info@finetechnology-ind.com	China	9539	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 17705817739	info@dycnchem.com	China	52693	58
CD Chemical Group Limited	+86-13651442114	info@codchem.com	China	17253	58

Supplier	Advantage
Shaanxi Dideu Medichem 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
Dayang Chem (Hangzhou) Co.,Ltd.	58
CD Chemical Group Limited	58

View Lastest Price from DIANTIPYRYLMETHANE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-12-24	Diantipyrylmethane 1251-85-0		1KG	99.0%	10000KG	Shaanxi Dideu Medichem Co. Ltd
2025-06-27	DIANTIPYRYLMETHANE 1251-85-0		1KG	99%	500000kg	Hebei Chuanghai Biotechnology Co., Ltd
2025-04-15	DIANTIPYRYLMETHANE 1251-85-0	$80.00	1kg	99	5000	Hebei Zhuanglai Chemical Trading Co.,Ltd

Diantipyrylmethane
1251-85-0
99.0%
Shaanxi Dideu Medichem Co. Ltd

DIANTIPYRYLMETHANE
1251-85-0
99%
Hebei Chuanghai Biotechnology Co., Ltd

DIANTIPYRYLMETHANE
1251-85-0
$80.00
99
Hebei Zhuanglai Chemical Trading 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:

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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 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 Diantipyrylmethane (Standard) Trichachnine Bisantel Methyl Methane, Anhydrous 1251-85-0 C23H24N4O2 Analytical Reagents Analytical Chromatography Product Catalog Pyrazoles