125733
邻苯二甲酸酐
99%, flakes, ReagentPlus®
别名:
1,2-Benzenedicarboxylic anhydride, 1,3-Isobenzofurandione, Phthalic acid anhydride
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关于此项目
经验公式（希尔记法）:
C8H4O3
化学文摘社编号:
分子量:
148.12
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
201-607-5
MDL number:
Beilstein/REAXYS Number:
118515
产品名称
邻苯二甲酸酐, ReagentPlus®, 99%
InChI key
LGRFSURHDFAFJT-UHFFFAOYSA-N
InChI
1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H
SMILES string
O=C1OC(=O)c2ccccc12
vapor density
5.1 (vs air)
vapor pressure
<0.01 mmHg ( 20 °C)
product line
ReagentPlus®
assay
99%
form
flakes
autoignition temp.
1058 °F
expl. lim.
10.4 %
bp
284 °C (lit.)
mp
131-134 °C (lit.)
functional group
anhydride
ester
Quality Level
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Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Application
Phthalic anhydride may be used in the synthesis of the following compounds:
- pthalimide
- phenolphthalein
- anthracene
General description
Phthalic anhydride is an industrially important chemical. It can be prepared from o-xylene or naphthalene. It is widely used for the industrial preparation of plasticizers for PVC (polyvinyl chloride).
Phthalic anhydride can be synthesized via oxidation of o-xylene, in the presence of V2O5/TiO2 monolithic catalyst supported by aluminium honeycomb.
Phthalic anhydride can be synthesized via oxidation of o-xylene, in the presence of V2O5/TiO2 monolithic catalyst supported by aluminium honeycomb.
signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1A - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
305.6 °F - DIN 51758
flash_point_c
152 °C - DIN 51758
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
法规信息
危险化学品
此项目有
"Conductive monolithic catalysts: development and industrial pilot tests for the oxidation of o-xylene to phthalic anhydride"
Groppi G, et al.
Industrial & Engineering Chemistry Research, 51(22), 7590-7596 (2011)
Catalysts, kinetics and reactor design in phthalic anhydride synthesis.
Wainwright MS and Foster NR.
Catalysis Reviews: Science and Engineering, 19(2), 211-292 (1979)
Phthalic anhydride from o-xylene catalysis: science and engineering.
Nikolov V, et al.
Catalysis Reviews: Science and Engineering, 33(3-4), 319-374 (1991)
Eagleson M.
Concise Encyclopedia Chemistry, 77-77 (1994)
Masarin Ban et al.
Journal of applied toxicology : JAT, 25(3), 239-247 (2005-05-17)
To understand better the cellular and molecular mechanisms of chemical-induced occupational asthma, we examined the effects of the Th2 cytokine antagonists interferon-gamma (IFN-gamma), interleukin (IL)-12 and anti-IL-4 on the balance of the Th1/Th2 response induced by trimellitic anhydride (TMA) and
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