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Merck
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주요 문서

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412287

Sigma-Aldrich

Pyromellitic dianhydride

97%

동의어(들):

Benzene-1,2,4,5-tetracarboxylic dianhydride, PMDA

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모든 사진(3)

About This Item

실험식(Hill 표기법):
C10H2O6
CAS Number:
89-32-7
Molecular Weight:
218.12
Beilstein:
213583
EC Number:
201-898-9
MDL number:
MFCD00005005
UNSPSC 코드:
12162002
PubChem Substance ID:
24865800
NACRES:
NA.23

Quality Level

200

분석

97%

양식

powder

bp

397-400 °C (lit.)

mp

283-286 °C (lit.)

SMILES string

O=C1OC(=O)c2cc3C(=O)OC(=O)c3cc12

InChI

1S/C10H2O6/c11-7-3-1-4-6(10(14)16-8(4)12)2-5(3)9(13)15-7/h1-2H

InChI key

ANSXAPJVJOKRDJ-UHFFFAOYSA-N

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일반 설명

Pyromellitic dianhydride is a dianhydride class of monomers commonly used in the preparation of polyimides polymers which are used in aerospace, electronics, and automotive industries because of their excellent thermal stability, high mechanical strength, and inherent flame resistance. It is also used in the synthesis of thermoplastic polymers such as polyesters and polyethers, as well as plasticizers and epoxy resins. Additionally, PMDA serves as a curing agent for epoxy resins. Epoxy resins are widely used in adhesives, coatings, composites, and electrical insulation materials.

Pyromellitic dianhydride (PMDA) is an acidic anhydride that can be used as a repair agent and as a chain extender in the formation of polyethylene terephthalate (PET) based chain extensions. It is mainly used in the production of thermoplastics and other coating applications.

애플리케이션

PMDA can be used as:
  • A monomer to synthesize aromatic polyimides with excellent thermo-mechanical and chemical properties. These polymers find the applications in automotive and electronic industries.
  • A capping agent in the development of siloxane-based hybrid materials for potential usage in organic electronics.
  • A monomer in the preparation and modification of thin film composite membranes, which are used in water purification, gas separation, and biomedical devices.
  • A monomer in the synthesis of pyromellitic diimide-based copolymers as stable cathode active materials for lithium and sodium-ion batteries.

픽토그램

Health hazardCorrosion
GHS08,GHS05

신호어

Danger

유해 및 위험 성명서

H317,H318,H334

Hazard Classifications

Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

716.0 °F - closed cup

Flash Point (°C)

380 °C - closed cup

개인 보호 장비

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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시험 성적서(COA)

Lot/Batch Number
BCCG4443
MKCL0359
MKCC3165
MKCC7077
MKBW8418V

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문서 라이브러리 방문

Jiemin Wang et al.
ACS nano, 13(7), 7860-7870 (2019-06-14)
Conventional three-dimensional (3D) thermal conductors or heat sinks are normally bulky solids with high density, which is cumbersome and not portable to satisfy current demands for soft and flexible electronic devices. To address this issue, here, a lightweight, superelastic yet
Junsheng Liu et al.
Journal of hazardous materials, 178(1-3), 1021-1029 (2010-03-13)
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 sol-gel process. FTIR spectra confirmed the step products. TGA analysis showed that the thermal degradation temperature
Heeseok Song et al.
Polymers, 11(3) (2019-04-10)
In this study, thermally conductive composite films were fabricated using an anisotropic boron nitride (BN) and hybrid filler system mixed with spherical aluminum nitride (AlN) or aluminum oxide (Al₂O₃) particles in a polyimide matrix. The hybrid system yielded a decrease
Yuta Nabae et al.
Scientific reports, 6, 23276-23276 (2016-03-19)
The development of a non-precious metal (NPM) fuel cell catalyst is extremely important to achieve globalization of polymer electrolyte fuel cells due to the cost and scarcity of platinum. Here, we report on a NPM cathode catalyst prepared by the
Claudio Cecone et al.
Molecules (Basel, Switzerland), 23(7) (2018-07-13)
Electrospun beta-cyclodextrin (βCD)-based polymers can combine a high surface-to-volume ratio and a high loading/controlled-release-system potential. In this work, pyromellitic dianhydride (PMDA)/βCD-based nanosponge microfibers were used to study the capability to host a common insect repellent (N,N-diethyl-3-toluamide (DEET)) and to monitor
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