ChemicalBook > CAS DataBase List > DIANTIPYRYLMETHANE

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
More
Less

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)
More
Less

Safety

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

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.

More
Less

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
More
Less

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

More
Less

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
Advantage
76
3B Pharmachem (Wuhan) International Co.,Ltd.
Tel
821-50328103-801 18930552037
Fax
86-21-50328109
Email
3bsc@sina.com
Country
China
ProdList
15838
Advantage
69
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
44801
Advantage
61
JinYan Chemicals(ShangHai) Co.,Ltd.
Tel
13817811078
Fax
86-021-50426522,50426273
Email
sales@jingyan-chemical.com
Country
China
ProdList
9976
Advantage
60
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696
Email
info@hanhongsci.com
Country
China
ProdList
42934
Advantage
64
Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18729
Advantage
57
Syntechem Co.,Ltd
Tel
Fax
E-Mail Inquiry
Email
info@syntechem.com
Country
China
ProdList
12984
Advantage
57
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400 638 7771
Email
sales@heowns.com
Country
China
ProdList
14435
Advantage
57
Maya High Purity Chemicals
Tel
+86 (573) 82222445 (0)18006601000 452520369
Fax
+86 (573) 82222643
Email
sales@maya-r.com
Country
China
ProdList
11707
Advantage
57
Hangzhou Yuhao Chemical Technology Co., Ltd
Tel
0571-82693216
Fax
+86-571-82880190
Email
info@yuhaochemical.com
Country
China
ProdList
6387
Advantage
52
Dalian Meilun Biotech Co., Ltd.
Tel
0411-62910999 13889544652
Email
sales@meilune.com
Country
China
ProdList
4747
Advantage
58
ShangHai YuanYe Biotechnology Co., Ltd.
Tel
021-61312847 13636370518
Fax
021-55068248
Email
shyysw007@163.com
Country
China
ProdList
4999
Advantage
60
Chengdu Ai Keda Chemical Technology Co., Ltd.
Tel
4008-755-333 18080918076
Fax
028-86757656
Email
800078821@qq.com
Country
China
ProdList
9718
Advantage
55
Shanghai civi chemical technology co.,Ltd
Tel
86-21-34053660
Fax
86-21-34053661
Email
sale@labgogo.com
Country
China
ProdList
9865
Advantage
52
9ding chemical ( Shanghai) Limited
Tel
4009209199
Fax
86-021-52271987
Email
sales@9dingchem.com
Country
China
ProdList
22514
Advantage
55
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
400-6206333 13167063860
Fax
021-50323701
Email
anhua.mao@aladdin-e.com
Country
China
ProdList
25003
Advantage
65
The future of Shanghai Industrial Co., Ltd.
Tel
021-61552785
Fax
021-55660885
Email
sales@shshiji.com
Country
China
ProdList
9546
Advantage
55
Shanghai Ruji Biology Technology Co., Ltd.
Tel
+86-21-65211385-8001 36031160
Fax
+86-21-65211385-8004
Email
sales@shruji.com
Country
China
ProdList
3224
Advantage
55
Quzhou Juhua Friendship Co., Ltd
Tel
0570-3066667
Fax
0570-3063388
Country
China
ProdList
3930
Advantage
58
Beijing Universal Century Technology Co., Ltd.
Tel
400-8706899
Fax
400-8706899
Email
hysj_bj.com
Country
China
ProdList
3583
Advantage
55
Chengdu HuaXia Chemical Reagent Co. Ltd
Tel
400-1166-196 13458535857
Fax
QQ：800101999
Email
cdhxsj@163.com
Country
China
ProdList
13350
Advantage
58
Finetech Industry Limited
Tel
027-87465837 19945049750
Fax
027-8777-2287
Email
sales@finetechnology-ind.com
Country
China
ProdList
9637
Advantage
58
Shanghai CanSpecsci Instrument Co., Ltd.
Tel
400-6087598 15021221957
Fax
4006087598-8012
Email
order@canspecsci.com
Country
China
ProdList
2001
Advantage
56
Shanghai Balmxy Pharmaceutical Co., Ltd
Tel
021-24206007 13764915196
Fax
86-021-23027023
Email
sales@balmxy.com
Country
China
ProdList
6874
Advantage
55
Shanghai Macklin Biochemical Co.,Ltd.
Tel
15221275939
Fax
021-50706099
Email
shenlinxing@macklin.cn
Country
China
ProdList
15873
Advantage
55
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Tel
025-66028182 18626450290
Email
yftan@aikonchem.com
Country
China
ProdList
16679
Advantage
50
Chengdu RunZeBenTu Chemical Co., Ltd
Tel
13096311329 028-88469284 616445927
Fax
028-88469284
Email
616445927@qq.com
Country
China
ProdList
2874
Advantage
50
Credit Asia Chemical Co., Ltd.
Tel
+86 (21) 61124340
Fax
+86 (21) 6129-4103
Country
China
ProdList
9756
Advantage
58
Hubei Jusheng Technology Co.,Ltd
Tel
027-59599241 18871490274
Fax
027-59599241
Email
1400878000@qq.com
Country
China
ProdList
9858
Advantage
58
Sigma-Aldrich
Tel
021-61415566 800-8193336
Email
orderCN@merckgroup.com
Country
China
ProdList
51395
Advantage
80
Beijing NuoqiYa Biotechnology Co., Ltd.
Tel
4000-819-385 010-62329685 13718666987
Fax
010-62340519
Country
China
ProdList
1971
Advantage
55
Chengdu RunZeBenTu Chemical Co., Ltd
Tel
028-88469284 18000562381
Email
rzbtsj@163.com
Country
China
ProdList
9951
Advantage
56
Codow Chemical Co.,Ltd.
Tel
18620099427
Fax
+86-20-62619665
Email
amy@howeipharm.com
Country
China
ProdList
6687
Advantage
55
Shanghai Xilong Biochemical Technology Co., Ltd.
Tel
021-52907766-8042
Fax
021-52906523
Country
China
ProdList
9941
Advantage
58
Shandong Xiya Chemical Co., Ltd.
Tel
4009903999 13395398332
Fax
0539-6365991
Email
sales@xiyashiji.com
Country
China
ProdList
20794
Advantage
60
Grader reagent
Tel
18221735425
Email
sales@xinpingchem.com
Country
China
ProdList
9942
Advantage
58
Amadis Chemical Company Limited
Tel
571-89925085
Fax
0086-571-89925065
Email
sales@amadischem.com
Country
China
ProdList
131957
Advantage
58
Guangdong wengjiang Chemical Reagent Co., Ltd.
Tel
0751-2886750 13927877953
Fax
0751-2886750
Email
3005811397@qq.com
Country
China
ProdList
13305
Advantage
58
Shanghai Yihe Biological Technology Co., Ltd.
Tel
021-68882955 17721395025
Fax
021-68882955
Email
2423903095@qq.com
Country
China
ProdList
4992
Advantage
58
Anhui kuer Bioengineering Co., Ltd
Tel
0551-65171243 13856024262
Email
kuer@kuerhuaxue.com
Country
China
ProdList
2992
Advantage
55
Taian Jiaye Biotechnology Co.Ltd
Tel
13127280945
Email
285424065@qq.com
Country
China
ProdList
9976
Advantage
55
Guangzhou Jhd Chemical Reagent Co., Ltd.
Tel
020-84383047
Fax
020-84380294
Email
sales@jhd.com.cn
Country
China
ProdList
9186
Advantage
65
klamar reagent
Tel
4001650900
Fax
021-64897811
Email
sales-wang@klamar-reagent.com
Country
China
ProdList
1986
Advantage
55
Shandong Ono Chemical Co., Ltd.
Tel
0539-6362799 20）
Fax
0539-6362799（To 20）
Country
China
ProdList
9998
Advantage
58
Shanghai BaiShun Biological Technology Co., Ltd
Tel
021-37581181
Fax
021-57456066
Email
sales@chem-mall.com
Country
China
ProdList
10330
Advantage
58
Guangzhou LES biological Technology Co.,Ltd.
Tel
13672434928
Fax
-
Email
3307355104@qq.com
Country
China
ProdList
3650
Advantage
58
Rhawn Reagent
Tel
400-400-1332688 18019345275
Fax
400-133-2688
Email
amy@rhawn.cn
Country
China
ProdList
14948
Advantage
58
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400-6387771-6039 18920764717
Email
sales@heowns.com
Country
China
ProdList
23771
Advantage
60
More
Less

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