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均苯四甲酸

均苯四甲酸用途

均苯四甲酸用于合成聚酰亚胺、均苯四酸辛酯等，是生产消光固化剂的主要原料。

均苯四甲酸名称

[ CAS 号 ]:
89-05-4

[ 中文名 ]:
均苯四甲酸

[ 英文名 ]:
Pyromellitic acid

[中文别名 ]:

[英文别名 ]:

1,2,4,5-benzene tetracarboxylic acid
1,2,4,5-Benzenetetracarboxylic acid
MFCD00002471
UNII:D9UXG2U6ZU
EINECS 201-879-5
Benzene-1,2,4,5-tetracarboxylic acid

均苯四甲酸物理化学性质

[ 密度 ]:
1.8±0.1 g/cm3

[ 沸点 ]:
585.8±50.0 °C at 760 mmHg

[ 熔点 ]:
281-284.5 °C(lit.)

[ 分子式 ]:
C₁₀H₆O₈

[ 分子量 ]:
254.150

[ 闪点 ]:
322.1±26.6 °C

[ 精确质量 ]:
254.006271

[ PSA ]:
149.20000

[ LogP ]:
0.44

[ 外观性状 ]:
白色粉末

[ 蒸汽压 ]:
0.0±1.7 mmHg at 25°C

[ 折射率 ]:
1.701

[ 储存条件 ]:
存放于惰性气体之中;避免湿气 (吸湿)

[ 稳定性 ]:
Stable. Incompatible with strong oxidizing agents, strong bases.

[ 水溶解性 ]:
1.5 g/100 mL (20 ºC)

均苯四甲酸MSDS

均苯四甲酸毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DB9275000

CHEMICAL NAME :: 1,2,4,5-Benzenetetracarboxylic acid

CAS REGISTRY NUMBER :: 89-05-4

BEILSTEIN REFERENCE NO. :: 1887659

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C10-H6-O8

MOLECULAR WEIGHT :: 254.16

WISWESSER LINE NOTATION :: QVR BVQ DVQ EVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

均苯四甲酸安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H319

[ 警示性声明 ]:
P280-P305 + P351 + P338-P337 + P313

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Gloves

[ 危害码 (欧洲) ]:
Xi:Irritant

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36-S37/39-S24/25

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
DB9275000

[ 海关编码 ]:
2917399090

均苯四甲酸合成路线

均苯四甲酸上下游产品

均苯四甲酸上游产品

均苯四甲酸下游产品

均苯四甲酸制备

由1,2,4,5-四甲苯（或5-异丙基-1,2,4-三甲苯）氧化而得，或由二甲苯氯甲基化、氧化而得。

均苯四甲酸海关

[ 海关编码 ]: 2917399090

[ 中文概述 ]:
2917399090 其他芳香多元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无最惠国关税:6.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 对苯二甲酸请注明4-CBA值, 对苯二甲酸请注明P-TL酸值, 对苯二甲酸请注明色度, 对苯二甲酸请注明水分

[ Summary ]:
2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

均苯四甲酸文献

Short-column anion-exchange chromatography for soil and peat humic substances profiling by step-wise gradient of high pH aqueous sodium ethylenediaminetetraacetate.

J. Chromatogr. A. 1408 , 72-7, (2015)

Novel anion-exchange liquid chromatographic method with step gradient of aqueous EDTA(4-) based mobile phase elution has been developed to profile available Slovak soil humic substances and alkaline e...

Benzenepolycarboxylic acids with potential anti-hemorrhagic properties and structure–activity relationships

Bioorg. Med. Chem. 19 , 7000-2, (2011)

Previously, we reported the structural requirements of the cinnamic acid relatives for inhibition of snake venom hemorrhagic action. In the present study, we examined the effect of benzenepolycarboxyl...

Effects of natural organic matter model compounds on the transformation of carbon tetrachloride by chloride green rust.

Water Res. 44(7) , 2125-32, (2010)

Interest has grown in the use of reactive minerals for natural and engineered transformation of ground water contaminants. This study investigated how the structural properties of 10 model compounds r...

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