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2826-25-7

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2826-25-7 Usage

General Description

2-(4-Methylbenzylidene)-malononitrile, also known as MMB, is a chemical compound with the molecular formula C13H9N. This yellow solid is commonly used in forensic science as a component of fingerprint powder. MMB has fluorescent properties, making it useful for detecting latent fingerprints, especially on non-porous surfaces. It is also used as a fluorescent dye in the textile industry and as a precursor for the synthesis of various organic compounds. MMB is considered to be a low toxicity compound, but precautions should still be taken when handling it, as it can cause skin and eye irritation. Overall, 2-(4-Methylbenzylidene)-malononitrile has several practical applications and is an important chemical in the fields of forensics, textiles, and organic synthesis.

Check Digit Verification of cas no

The CAS Registry Mumber 2826-25-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,2 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2826-25:
(6*2)+(5*8)+(4*2)+(3*6)+(2*2)+(1*5)=87
87 % 10 = 7
So 2826-25-7 is a valid CAS Registry Number.
InChI:InChI=1/C11H8N2/c1-9-2-4-10(5-3-9)6-11(7-12)8-13/h2-6H,1H3

2826-25-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-[(4-methylphenyl)methylidene]propanedinitrile

1.2 Other means of identification

Product number -
Other names 1,1-dicyano-2-(p-methylphenyl)ethylene

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:2826-25-7 SDS

2826-25-7Relevant articles and documents

Synthesis, characterization of polystyrene-phosphate films and their application as heterogeneous catalyst for Knoevenagel condensation in solvent-free conditions

Benzekri, Zakaria,Boukhris, Said,Chahine, Abdelkrim,El Aadad, Halima

, (2020)

Abstract: Novel film catalysts of the polystyrene (Ps) and trimethyl phosphate (P) nanoparticles were synthesized on glass substrates by soft chemistry using doctor blade method. Subsequently, the prepared Ps–P film catalysts were characterized by various

Nanochannel {InZn}-Organic Framework with a High Catalytic Performance on CO2Chemical Fixation and Deacetalization-Knoevenagel Condensation

Chen, Hongtai,Zhang, Zhengguo,Hu, Tuoping,Zhang, Xiutang

, p. 16429 - 16438 (2021/11/01)

The rare combination of InIII 5p and ZnII 3d in the presence of a structure-oriented TDP6- ligand led to a robust hybrid material of {(Me2NH2)[InZn(TDP)(OH2)]·4DMF·4H2O}n (NUC-42) with the interlaced hierarchical nanochannels (hexagonal and cylindrical) shaped by six rows of undocumented [InZn(CO2)6(OH2)] clusters, which represented the first 5p-3d nanochannel-based heterometallic metal-organic framework. With respect to the multifarious symbiotic Lewis acid-base and Br?nsted acid sites in the high porous framework, the catalytic performance of activated NUC-42a upon CO2 cycloaddition with styrene oxide was evaluated under solvent-free conditions with 1 atm of CO2 pressure, which exhibited that the reaction could be well completed at ambient temperature within 48 h or at 60 °C within 4 h with high yield and selectivity. Moreover, because of the acidic function of metal sites and a central free pyridine in the TDP6- ligand, deacetalization-Knoevenagel condensation of acetals and malononitrile could be efficiently facilitated by an activated sample of NUC-42a under lukewarm conditions.

MOFs assembled from C 3symmetric ligands: Structure, iodine capture and role as bifunctional catalysts towards the oxidation-Knoevenagel cascade reaction

Zhang, Ying-Ying,Liu, Qing,Zhang, Lin-Yan,Bao, Yu-Mei,Tan, Jing-Yi,Zhang, Na,Zhang, Jian-Yong,Liu, Zhen-Jiang

, p. 647 - 659 (2021/01/28)

Three new NiII/CoII-metal organic frameworks were self-assembled by the reaction of C3 symmetric 1,3,5-tribenzoic acid (H3BTC) and 2,4,6-tris(4-pyridyl)-1,3,5-triazine (4-TPT) ligands and NiII/CoII salts under solvothermal conditions. Isomorphous MOF1 and MOF2 exhibit a 3D pillar-layer framework based on binuclear M2(OH)(COO)2 units connected by tritopic BTC3- and 4-TPT ligands with a novel (3,5)-connected topology net. MOF3 displays a 3-fold interpenetrated 3D network exhibiting a (3,4)-connected topology net. The porous MOF3 can reversibly take up I2. The activated MOFs contain both Lewis acid (NiII center) and basic (uncoordinated pyridyl or carboxylic groups) sites, and act as bifunctional acid-base catalysts. The catalytic measurements demonstrate that the activated MOF3 exhibits good activities for benzyl alcohol oxidation and the Knoevenagel reaction and can be recycled and reused for at least four cycles without losing its structural integrity and high catalytic activity. Thus, the catalytic properties for the oxidation-Knoevenagel cascade reaction have also been studied.

Triazole-directed fabrication of polyoxovanadate-based metal-organic frameworks as efficient multifunctional heterogeneous catalysts for the Knoevenagel condensation and oxidation of alcohols

Cheng, Xueli,Han, Yinfeng,Hu, Changwen,Huang, Xianqiang,Li, Jikun,Mei, Yu,Wei, Chuanping

, p. 10082 - 10091 (2021/08/03)

By introducing 4-amino-1,2,4-triazole (4-NH2-trz), three new polyoxovanadate-based metal-organic frameworks (PMOFs) [Ni3(4-NH2-trz)6][V6O18]·3H2O (1), [Co3(4-NH2-trz)6][V6O18]·3H2O (2) and [Cu3OH(4-NH2-trz)3H2O][VO3]5·H2O (3) have been synthesized and thoroughly characterized by single-crystal X-ray diffraction (SXRD), powder X-ray diffraction (PXRD), infrared spectroscopy (FT-IR), thermogravimetric (TG) analysis and elemental analysis (EA). Among them, PMOFs1and2had similar structures containing [V6O18]6?clusters; however, PMOF3was isolated as a structure containing a [VO3]55?cluster when the amount of the 4-NH2-trz ligand was reduced to half with the other synthesis conditions being the same as those of PMOFs1and2except for the transition-metal chlorides. Furthermore, the negative charges of polyoxovanadate [V6O18]6?and [VO3]55?anions were balanced by trinuclear complex cations [Ni3(4-NH2-trz)6]6?for1, [Co3(4-NH2-trz)6]6?for2and [Cu3OH(4-NH2-trz)3H2O]5?for3, respectively. PMOFs1-3were further used as heterogeneous catalysts in the Knoevenagel condensation under solvent-free conditions and showed high catalytic activity. PMOF1showed moderate catalytic activities in the oxidation of various aromatic alcohols using H2O2as an oxidant. Moreover, PMOF1could be reused at least three times without losing its activity.

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