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均苯四甲酸酐(PMDA)

产品编号 P109616 | CAS号 89-32-7 | Aladdin
Pyromellitic dianhydride
99%
组合的产品项目
货号 规格 库存 价格 数量
P109616-100g 99% 上海(预计3-7周)
北方(预计3-7周)
 
P109616-2.5kg 99% 上海(预计3-7周)
北方(预计3-7周)
 
P109616-500g 99% 上海(1)
北方(预计3-5个工作日)
 
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属性

敏感性 对湿度敏感
密度 1.6800
熔点 286°C
沸点 397-400°C

描述

产品介绍 在室温下溶于二甲基甲酰胺(DMF)、二甲基亚砜,γ-丁内酯、N-甲基吡咯烷酮、丙酮、甲基乙基甲酮、甲基异丁基甲酮、乙酸乙酯,不溶于氯仿、乙醚、正己烷、苯。暴露在湿空气中水解变成均苯四甲酸,水中分解。
别名 PMDA;均苯四甲酸二酐;1,2,4,5-苯四甲酸酐;1,2,4,5-苯四甲羧酸二酐;1,2,4,5-均苯四甲酸二酐;苯-1,2,4,5-四羧酸二酐;PMDA;Benzene-1,2,4,5-tetracarboxylic dianhydride
应用 用于制造聚酰亚胺树脂,后者用作耐高温电气绝缘漆的原料。亦用以制取环氧树脂固化剂和增塑剂、脲醛树脂稳定剂、酞菁蓝染料、缓蚀剂、瞬间粘结剂、电子摄影调色剂等。
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标识符号 GHS05 GHS05, GHS08 GHS08
信号词 Danger
风险声明 (欧洲) R41;R42/43
安全声明(欧洲) S22;S24;S26;S37/39
警示性声明 P261,P280,P305+P351+P338,P342+P311
危害码(欧洲) Xn
危害声明 H317,H318,H334
个人防护设备 dust mask type N95 (US),Eyeshields,Faceshields,Gloves
RTECS DB9300000
WGK德国 1
闪点(摄氏) 380℃
是否危化品 一般危险品
UN代码 3335
参考文献
Sreenivasa Reddy SR Puniredd, M P MP Srinivasan
An ultrathin film of oligoimide has been fabricated on amine-modified substrates of silicon and quartz through alternate layer-by-layer (LBL) assembly of pyromellitic dianhydride (PMDA) and diaminodip...Read More
Dong
A series of zwitterionic hybrid adsorbents were prepared via the ring-opening polymerization of pyromellitic acid dianhydride (PMDA) and N-[3-(trimethoxysilyl)propyl] ethylene diamine (TMSPEDA), and a...Read More
Kusum K Solanki, Munishwar Nath MN Gupta
Acylation of Pseudomonas cepacia lipase with Pyromellitic dianhydride to modify 72% of total amino groups was carried out. Different organic solvents were screened for precipitation of modified lipase...Read More
Paul J PJ Milward, Gabriel O GO Adusei, Christopher D CD Lynch
Polyacid-modified composite resins (compomers) are restorative dental materials that exhibit certain features of traditional dental composites and glass-ionomer cements. The aim of this paper was to d...Read More
Junsheng Liu, Yue Ma, Tongwen Xu, Guoquan Shao
A series of zwitterionic hybrid polymers were prepared from the ring-opening polymerization of pyromellitic acid dianhydride (PMDA) and phenylaminomethyl trimethoxysilane (PAMTMS), and a subsequent so...Read More
Jun-Xia Yu, Ru-An Chi, Xiu-Zhu Su, Zheng-Yan He, Ya-Feng Qi, Yue-Fei Zhang
In this study, waste beer yeast powder was modified by pyromellitic dianhydride to improve its adsorption capacities for cationic dye: methylene blue (MB). According to the Langmuir equation, the maxi...Read More
Saeed S Zahmatkesh, Abdol R AR Hajipour
Pyromellitic dianhydride (1) was reacted with L-alanine (2) to result [N,N'-(pyromellitoyl)-bis-L-alanine diacid] (3). This compound (3) was converted to N,N'-(pyromellitoyl)-bis-L-alanine d...Read More
Gerhard G Weiser, Andreas A Elschner
Anthracene-PMDA single crystals display at 2K about 70 meV below a well-known intrinsic charge-transfer exciton three narrow absorption lines, which are attributed to CT excitons bound to defects of a...Read More
M Agostinha R MA Matos, Margarida S MS Miranda, Susana M M SM Pereira, Victor M F VM Morais, Joel F JF Liebman
The standard (p degrees = 0.1 MPa) molar enthalpy of formation of 1,2,4,5-benzenetetracarboxylic dianhydride in the gaseous phase, -826.8 +/- 3.1 kJ mol-1, was derived from the standard molar enthalpy...Read More
D F DF Shakirov, D A DA Enikeev
The paper presents the results of studies of the amounts of diene conjugates, malonic dialdehyde, and Schiff's bases, which are molecular LPO products in the tissues of the lung, liver, kidney in...Read More
Deepak D Asthana, M R MR Ajayakumar, Rajendra Prasad RP Pant, Pritam P Mukhopadhyay
The first synthetic entry into axially fused NTCDA/PMDA-TTF multipolar molecules demonstrates a high optical contrast photooxidation, panchromism, low HOMO-LUMO gap, generation of a stable radical cat...Read More
Jun-Xia Yu, Li-Yan Wang, Ru-An Chi, Yue-Fei Zhang, Zhi-Gao Xu, Jia Guo
The purpose of this research is to use a simple method to prepare magnetic modified biomass with good adsorption performances for cationic ions. The magnetic modified biomass was prepared by two steps...Read More
Jun-xia Yu, Ru-an Chi, Yue-fei Zhang, Zhi-gao Xu, Chun-qiao Xiao, Jia Guo
Magnetic pyromellitic dianhydride (PMDA) modified sugarcane bagasse (SCB) was prepared by a situ co-precipitation method. Results showed that the magnetic modified SCB could be recycled easily by an a...Read More
Shadpour Mallakpour, Mohammad Dinari
In the present work, several novel optically active nanostructure poly(amide-imide)s (PAI)s were synthesized via step-growth polymerization reaction of chiral diacids based on pyromellitic dianhydride...Read More
Stefan S Konieczny, Christoph P CP Fik, Nils J H NJ Averesch, Joerg C JC Tiller
The use of enzymes in organic solvents offers a great opportunity for the synthesis of complex organic compounds and is therefore in focus of current research. In this work we describe the synthesis o...Read More
A B Czuppon, R Merget, M Raulf-Heimsoth, T Bruening
Acid anhydrides are used in a variety of industrial branches because of their highly reactive anhydride groups. Adverse effects of anhydride exposure include toxic/irritative effects as well as IgE- a...Read More
S M Sokolov, V P Filonov, P A Amvros'ev, V V Drobenia
The maximum allowable concentration (MAC) of pyromellitic acid dianhydride (PMAD) in the ambient air was substabtiated by physiological, hematological, and physiological methods. The inhalation of thi...Read More
X X Baur
Three bronchoconstrictive responses associated with acute rhinitis and occurring in two patients were observed among 400 nasal allergen challenges. Causative substances were birch pollen, Dermatophago...Read More
X X Baur, A B AB Czuppon, I I Rauluk, F B FB Zimmermann, B B Schmitt, M M Egen-Korthaus, N N Tenkhoff, P O PO Degens
This study aimed at investigating sensitizing and hazardous effects of a new acid anhydride, pyromellitic dianhydride (PMDA), in addition to those of phthalic anhydride, maleic anhydride and trimellit...Read More
A B AB Czuppon, V V Kaplan, R R Speich, X X Baur
A 17-year-old man was occupationally exposed to pyromellitic acid dianhydride dust during the production of epoxy resin in a chemical factory. He was clinically diagnosed as having acute hemorrhagic a...Read More
F H FH Herbstein, S S Samson
The crystal structure of pyrene ... pyromellitic dianhydride [(C16H10:C10H2O6); PYRPMA] has been studied over the range 300-19 K, using the low-temperature accessory designed by Samson, Goldish & ...Read More
F H Herbstein, R E Marsh, S Samson
The crystal structure of the pyrene ... pyromellitic dianhydride (PMDA) pi-molecular compound [(C16H10:C10H2O6); PYRPMA] has been refined from intensities measured at 19 K using the low-temperature ac...Read More
T V TV Viktorova, E K EK Khusnutdinova, V V VV Viktorov, N A NA Liapunova, Kh S KhS Rafikov
To assess the mutagenic danger of pyromellitic dianhydride (PMDA) production, the frequency of chromosome aberrations in peripheral blood lymphocytes from 56 workers and 37 control donors from Ufa was...Read More
T V TV Viktorova, E K EK Khustnutdinova, V V VV Lobanov, Kh S KhS Rafikov
The report covers results of cytogenetic screening of workers engaged into pyromellitic dianhydride production. Occurrence of chromosomal aberrations in peripheral lymphocytes was studied in 42 worker...Read More

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