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N,N-diphenylbenzohydrazide, also known as diphenylbenzohydrazide (DPB), is a chemical compound that serves as a UV stabilizer in plastics and polymers. It is recognized for its ability to absorb ultraviolet radiation, thereby preventing the degradation of materials. Additionally, DPB is utilized as an intermediate in the synthesis of pharmaceuticals and agrochemicals. It is considered relatively safe and stable under normal conditions, exhibiting low toxicity and environmental impact, although proper safety measures are still advised during handling.

970-31-0

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970-31-0 Usage

Uses

Used in Plastics and Polymer Industry:
N,N-diphenylbenzohydrazide is used as a UV stabilizer for protecting plastics and polymers from the degrading effects of ultraviolet radiation. This application helps to extend the lifespan and maintain the quality of these materials.
Used in Pharmaceutical and Agrochemical Industries:
N,N-diphenylbenzohydrazide is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals. Its role in these industries is crucial for the development of new and effective products.

Check Digit Verification of cas no

The CAS Registry Mumber 970-31-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 970-31:
(5*9)+(4*7)+(3*0)+(2*3)+(1*1)=80
80 % 10 = 0
So 970-31-0 is a valid CAS Registry Number.

970-31-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name (3S,8S,9S,10R,13R,14S,17R)-3-chloro-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene

1.2 Other means of identification

Product number -
Other names N'-Benzoyl-N.N-diphenyl-hydrazin

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:970-31-0 SDS

970-31-0Relevant academic research and scientific papers

Copper(ii)-catalyzed coupling reaction: An efficient and regioselective approach to N′,N′-diaryl acylhydrazines

Zhang, Ji-Quan,Huang, Gong-Bin,Weng, Jiang,Lu, Gui,Chan, Albert S. C.

, p. 2055 - 2063 (2015/03/05)

Using N′-aryl acylhydrazines as aryl donors, a novel copper(ii)-catalyzed homo-coupling reaction of N′-aryl acylhydrazines has been developed for the synthesis of N′,N′-diaryl acylhydrazines. We also provided a complementary procedure for the preparation of unsymmetrical diaryl acylhydrazines via cross-coupling reaction. These protocols featured mild reaction conditions, wide functional group tolerance and highly regioselective products. Control experiments indicated that this kind of coupling reaction might undergo a transient acyl diazene intermediate. This journal is

KOt-Bu promoted homocoupling and decomposition of N'-aryl acylhydrazines: synthesis of unsymmetric N',N'-diaryl acylhydrazines

Wang, Wei-Juan,Zhang, Ting,Duan, Li-Jun,Zhang, Xue-Jing,Yan, Ming

, p. 9073 - 9080 (2015/11/09)

The KOt-Bu promoted homocoupling and decomposition of N'-aryl acylhydrazines has been achieved. The method allows for a novel and efficient synthesis of unsymmetric N',N'-diaryl acylhydrazines under mild reaction conditions. The reaction probably proceeds via the generation of N'-centered acylhydrazine radicals and the subsequent homolytic aromatic substitution.

An oxidative transformation of N′-phenylhydrazide to t-butyl ester using a copper(II) halide-lithium t-butoxide system

Yamaguchi, Jun-Ichi,Aoyagi, Takashi,Fujikura, Ryohei,Suyama, Takayuki

, p. 466 - 467 (2007/10/03)

Reactions of hydrazides or N1-phenylhydrazides with a copper(II) reagent prepared from copper(II) bromide and lithium t-butoxide smoothly proceeded to give the corresponding t-butyl ester in high yield.

Reduction of Ag(I) by 1-acyl-2-arylhydrazines: Mechanism of photographic infectious development

Bowman, W. Russell,Forshaw, J. Anthony,Hall, Kevin P.,Kitchin, Jonathan P.,Mott, Andrew W.

, p. 3961 - 3972 (2007/10/03)

The photographic process of 'infectious development' in which 1-acyl-2-arylhydrazines reduce Ag(I) has been studied using analogues. 1-Acyl-2-aryldiazenes, resulting from oxidation of 1-acyl-2-arylhydrazines, are hydrolysed to anions of aryldiazenes (ArN = NH), which undergo further oxidation with loss of nitrogen to yield aryl radicals. The aryl radicals cause 'feedback inhibition' which is prevented by the addition of benzhydrol.

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