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1,1'-Carbonyl-di(1,2,4-triazole)

1,1'-Carbonyl-di(1,2,4-triazole) structure

CAS No.: 41864-22-6

Chemical Name:: 1,1'-Carbonyl-di(1,2,4-triazole)

Synonyms: CDT;di(1H-1,2,4-triazol-1-yl)Methanone;Carbonyldi(1,2,4-triazole);Bis(1,2,4-triazol-1-yl)methanone;-di(1,2,4-triazoL;1,1'-Carbonyl-di-(1;-Carbonyl-di(1,2,4-triazole);1-Carbonyl-di(1,2,4-triazole);1,1'-CARBONYLDI(1,2,4-TRIAZOLE);1,1'-Carbonylbis(1,2,4-triazole)

CBNumber:: CB2467375

Molecular Formula:: C5H4N6O

Molecular Weight:: 164.12

MDL Number:: MFCD00043399

MOL File:: 41864-22-6.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 00:43:24

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1,1'-Carbonyl-di(1,2,4-triazole) Properties

Melting point	145-150 °C
Boiling point	429.1±28.0 °C(Predicted)
Density	1.75±0.1 g/cm3(Predicted)
storage temp.	2-8°C
solubility	Chloroform (Slightly), DMSO (Sparingly, Heated)
form	Solid
pka	-0.26±0.10(Predicted)
color	White to Off-White
BRN	10250
Stability	Hygroscopic, Moisture Sensitive
Major Application	peptide synthesis
InChI	InChI=1S/C5H4N6O/c12-5(10-3-6-1-8-10)11-4-7-2-9-11/h1-4H
InChIKey	YHNUDLCUIKMNSN-UHFFFAOYSA-N
SMILES	C(N1C=NC=N1)(N1C=NC=N1)=O
FDA UNII	W6HUA76TYR
UNSPSC Code	12352005
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS05,GHS07,GHS08

Signal word

Danger

Hazard statements

H302-H318-H361

Precautionary statements

P201-P280-P301+P312+P330-P305+P351+P338+P310-P308+P313

PPE

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Hazard Codes

Risk Statements

63-22-41-52/53-62-61

Safety Statements

22-26-36/37/39-61-36/39

WGK Germany

10-21

HS Code

29339900

Storage Class

11 - Combustible Solids

Hazard Classifications

Acute Tox. 4 Oral
Eye Dam. 1
Repr. 2

NFPA 704

	0
2		0

1,1'-Carbonyl-di(1,2,4-triazole) price More Price(85)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	21861	1,1′-Carbonyl-di-(1,2,4-triazole) technical, ≥90% (T)	41864-22-6	5g	$69.4	2026-04-30	Buy
Sigma-Aldrich	21861	1,1′-Carbonyl-di-(1,2,4-triazole) technical, ≥90% (T)	41864-22-6	25g	$296	2026-04-30	Buy
TCI Chemical	C2325	1,1'-Carbonyldi(1,2,4-triazole) >97.0%(T)	41864-22-6	5g	$154	2026-04-30	Buy
TCI Chemical	C2325	1,1'-Carbonyldi(1,2,4-triazole) >97.0%(T)	41864-22-6	25g	$459	2026-04-30	Buy
Usbiological	267734	N,N'-Carbonyl-di-(1,2,4-triazole)	41864-22-6	5g	$305	2026-06-03	Buy

Product number	Packaging	Price	Buy
21861	5g	$69.4	Buy
21861	25g	$296	Buy
C2325	5g	$154	Buy
C2325	25g	$459	Buy
267734	5g	$305	Buy

1,1'-Carbonyl-di(1,2,4-triazole) Chemical Properties, Uses, Production

Chemical Properties

1,1'-Carbonyl-di(1,2,4-triazole) is beige powder

Uses

N,N''-Carbonyl-di-(1,2,4-triazole) is used in preparation of the bridged cycloformylpyridine derivative and their medical applications.

Uses

1,1'-Carbonyl-di(1,2,4-triazole) is used in epoxidation reactions in organic synthesis. It is useful in preparing acyl triazolides from carboxylic acids. 1'-Carbonyl-di(1,2,4-triazole) is a reagent for peptide synthesis; preparation of thiol or selenol esters.

reaction suitability

reaction type: Carbonylations

Synthesis

1,1'-Carbonyl-di(1,2,4-triazole) is preparate from triazole and phosgene in THF, in the presence of one equivalent of pyridine (80% yield)[1-2].

Precautions

It may be stored in a desiccator over P2O5 at room temperature for many months without apparent decomposition.

References

1. Beyerman, H. C.; Van Den Brink, W. M. RTC 1961, 80, 1372.
2. Gais, H.-J. AG(E) 1977, 16, 244.

1,1'-Carbonyl-di(1,2,4-triazole) synthesis

Synthesis of 1,1'-Carbonyl-di(1,2,4-triazole) from 1,2,4-Triazole and Phosgene

1,1'-Carbonyl-di(1,2,4-triazole) Preparation Products And Raw materials

Raw materials

1,2,4-Triazole Phosgene

Preparation Products

1,1'-Carbonyl-di(1,2,4-triazole) Suppliers

Global Suppliers ( 221)

Supplier	Tel	Email	Country	ProdList	Advantage
Nantong Xiaochang Pharmaceutical Trading Co., Ltd.	0513-82104991 15716298942	sales11@btcpharm.com	China	860	58
Suzhou Highfine Biotech Co., Ltd	0512-69209928 18796809688	zhouyingxiang@highfine.com	China	1846	58
Jinan Xinda Chemical Co. LTD	18615526239	363436853@qq.com	China	167	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Wuhan Chemwish Technology Co., Ltd	86-027-67849912	sales@chemwish.com	China	35884	56
Beijing Ouhe Technology Co., Ltd	13552068683 13522913783	2355560935@qq.com	China	11777	60
Jia Xing Isenchem Co.,Ltd	0573-85285100 18627885956	isenchem@163.com	China	9389	66

Supplier	Advantage
Nantong Xiaochang Pharmaceutical Trading Co., Ltd.	58
Suzhou Highfine Biotech Co., Ltd	58
Jinan Xinda Chemical Co. LTD	58
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Wuhan Chemwish Technology Co., Ltd	56
Beijing Ouhe Technology Co., Ltd	60
Jia Xing Isenchem Co.,Ltd	66

View Latest Price from 1,1'-Carbonyl-di(1,2,4-triazole) manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-08-25	1-Carbonyl-di(1,2,4-triazole) 41864-22-6	$3.00-9.00		99%		ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
2026-06-30	1,1'-Carbonyl-di(1,2,4-triazole) 41864-22-6		1kg	99%	10000KGS	Shaanxi Dideu New Materials Co. Ltd
2019-12-26	1,1'-Carbonyl-di(1,2,4-triazole) 41864-22-6		1g	95%min	20kg/month	Nanjing jinheyou Trading Co., Ltd.

1-Carbonyl-di(1,2,4-triazole)
41864-22-6
$3.00-9.00
99%
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

1,1'-Carbonyl-di(1,2,4-triazole)
41864-22-6
$0.00
99%
Shaanxi Dideu New Materials Co. Ltd

1,1'-Carbonyl-di(1,2,4-triazole)
41864-22-6
$0.00
95%min
Nanjing jinheyou Trading Co., Ltd.

1,1'-Carbonyl-di(1,2,4-triazole) Spectrum

1,1'-Carbonyl-di(1,2,4-triazole)(41864-22-6)¹HNMR

41864-22-6 (1,1'-Carbonyl-di(1,2,4-triazole)) Related Search:

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Pyrazophos Carbonyl sulfide 1-Methyl-1,2,4-triazole 1,2,4-Triazole 1,1'-Carbonyl-di(1,2,4-triazole)

1of2

1,1'-CARBONYLDI(1,2,4-TRIAZOLE) Bis(1H-1,2,4-triazol-1-yl)methanone CDT ( N,N'-Carbonyl-di-(1,2,3-tiazole)) 1,1'-Carbonylbis(1,2,4-triazole) 1,1'-Carbonyl-di-(1 N,N'-Carbonyl-di-(1,2,4-triazole) 1,1'-Carbonylbis(1,2,4-triazole) CDT 1,1'-Carbonyl-di-(1,2,4-triazole) technical, >=90% (T) 1,1'-Carbonyldi(1,2,4-triazole)≥ 98% (Titration) 1H-1,2,4-triazol-5-yl(3H-1,2,4-triazol-5-yl)methanone 1,1'-Carbonyldi(1,2,4-triazole) > -di(1,2,4-triazoL Methanone, bis(1H-1,2,4-triazol-1-yl)- 1-Carbonyl-di(1,2,4-triazole) 1,1'-Carbonyl-di-(1,2,4-triazole) N,N'-Carbonylbis(1,2,4-triazole) -Carbonyl-di(1,2,4-triazole) Bis(1,2,4-triazol-1-yl)methanone Carbonyldi(1,2,4-triazole) CDT di(1H-1,2,4-triazol-1-yl)Methanone N,N'-Carbonyl-di-(1,2,4-triazole) (>90%) 41864-22-6 C5H4N6O Carbonyldiimidazole Derivatives Coupling Synthetic Reagents