P phenylenediamine

Manufactured by Maclin Biochemical Technology

Sourced in China

P-Phenylenediamine is a chemical compound used in various laboratory applications. It is a white to light gray crystalline solid with a melting point of approximately 146°C. P-Phenylenediamine is often utilized as a reagent or precursor in analytical and synthetic chemistry procedures.

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5 protocols using p phenylenediamine

Synthesis of High-Performance Flame-Retardant Composites

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5,5′-Oxybis (isobenzofuran-1,3-dione) (ODPA) was supplied by Illinois Ark Pharm Co., Ltd. (Libertyville, IL, USA). USA. p-Phenylenediamine (PPDA) and methanol were acquired from Shanghai Macklin Biochemical Co., Ltd. (Shanghai, China). N-methylpyrrolidinone (NMP) was purchased from Shanghai Aladdin industrial Co., Ltd. (Shanghai, China). NMP was distilled and then stored with 4Å molecular sieves. Before use, dianhydride and diamine were dried under primary vacuum at 100 °C for 12 h. PPDA was recrystallized twice. All solvents and reagents were analytical class.
The granuliform polyamide 6 (1013B) was supplied by Sinopec Shijiazhuang Refining & Chemical Company (Shijiazhang, Hebei, China). Aluminum diethylphosphinate (ADP, OP935) was purchased from Clariant Chemical Co., Ltd. (Shanghai, China). Antioxidant 1010 and antioxidant 168 were purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Short glass fiber (GF, 568H) was produced by Jushi Group Co., Ltd. (Jiaxing, Zhejiang, China).

Feng H., Qiu Y., Qian L., Chen Y., Xu B, & Xin F. (2019). Flame Inhibition and Charring Effect of Aromatic Polyimide and Aluminum Diethylphosphinate in Polyamide 6. Polymers, 11(1), 74.

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Synthesis of Organic Semiconductors

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CsBr (99.9%) was purchased from Aladdin Reagent Ltd. AgBr (99.9%) and BiBr₃ (99%) were from Sigma-Aldrich. Hydrobromic acid (HBr, 40% wt/wt aq. sol.) and 1-methyl-2-pyrrolidone (NMP, 99%) was purchased from Sinopharm. p-Phenylenediamine (97%) was from Macklin, 4,4′-biphthalic anhydride (BPDA, 99%) from J&K Scientific. All reagents were used as received.

Yang B., Pan W., Wu H., Niu G., Yuan J.H., Xue K.H., Yin L., Du X., Miao X.S., Yang X., Xie Q, & Tang J. (2019). Heteroepitaxial passivation of Cs2AgBiBr6 wafers with suppressed ionic migration for X-ray imaging. Nature Communications, 10, 1989.

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Quantitative Analysis of PAEs

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Tp, p-phenylenediamine (PDA), benzidine (BD), 4,4″-diamino-pterphenyl (DT), ferrous chloride (FeCl₂·4H₂O) and ferric chloride (FeCl₃·6H₂O) were provided by Macklin (Shanghai, China). HPLC-grade methanol, acetonitrile and acetone were supplied by Aladdin Reagents Corporation (Shanghai, China). Standard PAEs mixture, including benzyl butyl phthalate (BBP), di-n-butyl phthalate (DBP), di-n-octyl phthalate (DNOP), bis (2-ethylhexyl) phthalate (DEHP), diisoheptyl phthalate (DIHP), diisodecyl phthalate (DIDP), and dipentyl phthalate (DPP) were obtained from O2si Smart Solutions (Charleston, USA). The stock solution of the PAEs with the concentration of 100 mg mL⁻¹ was prepared in methanol and stored at −20 °C. A series of working solutions of PAEs were prepared by appropriate dilution of the stock solution before use.

Wei D., Zhang C., Pan A., Guo M., Lou C., Zhang J., Wang X, & Wu H. (2022). Facile synthesis and evaluation of three magnetic 1,3,5-triformylphloroglucinol based covalent organic polymers as adsorbents for high efficient extraction of phthalate esters from plastic packaged foods. Food Chemistry: X, 14, 100346.

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Synthesis and Characterization of Fluorescent Nanoparticles

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QCA (95%) was purchased from Adamas Reagent Co., Ltd., Shanghai, China. Olaquindox (QLA; 99%), and carbadox (CBX; 98.5%) was purchased from Dr. Ehrenstorfer GmbH Co., Ltd., Augsburg, Germany. Mequindox (MEQ; 99.6%) was purchased from the Institute of Veterinary Drug Control, Beijing, China; 3-Methylquinoline-2-carboxylic acid (MQCA; 95%) was purchased from Aladdin Bio-Chem Technology Co., Ltd., Shanghai, China. CdSe/ZnS QDs with 460 nm excitation and 605 nm fluorescence emission were purchased from Jiayuan (Wuhan, China); 1,3,5-triformylphloroglucinol (TP; 99%) was purchased from Strem Chemicals, Inc., Newburyport, MA, USA. P-phenylenediamine (Pa) and mesitylene (99%) were purchased from Shanghai Macklin Biochemical Co., Ltd., Shanghai, China; 3-Aminopropyl triethoxysilane (APTES; 98%), acetic acid (99.5%), Triton X-100 (99.5%), and cyclohexane (99.5%) were purchased from Sinopharm Chemical Reagent Co., Ltd., Beijing, China. Dioxane (99.5%) and tetraethyl orthosilicate (TEOS; 98%) were purchased from J&K Scientific Ltd., Beijing, China. Doubly de-ionized water (DDW; 18.2 MΩ cm⁻¹) was obtained from a Water Pro water purification system (Labconco, Kansas City, MO, USA).

Zhang Y., Zhang D, & Liu H. (2019). Luminescent Molecularly Imprinted Polymers Based on Covalent Organic Frameworks and Quantum Dots with Strong Optical Response to Quinoxaline-2-Carboxylicacid. Polymers, 11(4), 708.

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Graphene Oxide Synthesis and Functionalization

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Concentrated sulfuric acid (H₂SO₄, 98%) and concentrated hydrochloric acid (HCl, 98%) were obtained from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Potassium persulfate (K₂S₂O₈, 99.5%), phosphorus pentoxide (P₂O₅, 98%), and anhydrous ethanol (99.7%) were sourced from Tianjin Fuyu Fine Chemical Co (Tianjin, China). Natural graphite flakes (325 mesh) were obtained from Qingdao Hensen Graphite Co., Ltd. (Qingdao, China). Sodium hydroxide (NaOH, 95%), p-Phenylenediamine (97%), and 1,3,5-Benzenetricarbonyl trichloride (98%) were obtained from Shanghai Macklin Biochemical Co. (Shanghai, China). 4,4′-Bismaleimidodiphenylmethane (BDM, industrial grade) and diallyl bisphenol A (DBA, industrial grade) were purchased from Wuhan Zhisheng Technology Co. (Wuhan, China). All reagents were applied without further purification.

Liu C., Xue X., Yuan Q., Lin Y., Bao Y., He Y, & Zhang W. (2022). Preparation and Tribological Properties of Bismaleimide Matrix Composites Reinforced with Covalent Organic Framework Coated Graphene Nanosheets. Polymers, 14(16), 3289.

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