ピロメリト酸

Pyromellitic Acid

HCID 6961CAS 89-05-4

基本情報

標準SMILES
O=C(O)c1cc(C(=O)O)c(C(=O)O)cc1C(=O)O
InChIKey
CYIDZMCFTVVTJO-UHFFFAOYSA-N
分子式
C10H6O8
平均分子量
254.15 g/mol
単同位体質量
254.00626715

概要

Pyromellitic acid is a tetracarboxylic acid that is benzene substituted by four carboxy groups at positions 1, 2, 4 and 5 respectively. It is a member of benzoic acids and a tetracarboxylic acid.

名称と識別子

優先名称
Pyromellitic Acid
IUPAC
benzene-1,2,4,5-tetracarboxylic acid
現地名
ピロメリト酸
英語名
Pyromellitic acid
分子式
C10H6O8
分子量
254.15

名称と別名

PYROMELLITIC ACID89-05-4Benzene-1,2,4,5-tetracarboxylic acid1,2,4,5-Benzenetetracarboxylic acidDTXSID8044466D9UXG2U6ZUNSC-6369DTXCID6024466CHEBI:45165RefChem:177858201-879-5USAF XR-20
名称をさらに表示
ピロメリット酸ベンゼン-1,2,4,5-テトラカルボン酸1,2,4,5-ベンゼンテトラカルボン酸1,2,4,5ベンゼンテトラカルボン酸ピロメリト酸1,2,4,5-BenzenetetracarboxyL1,2,4,5-Benzenetetracarboxylic acid, 96% 5GRusafxr-20AKOS AUF2102pyromelliticaciPyrome1htic Acid
1,2,4,5-TetracarboxybenzeneMFCD000024711,2,4,5-Benzene-tetracarboxylic acidBRN 18876591,4,5-TetracarboxybenzeneNSC6369EC 201-879-5BDBM512625

データベース識別子

CAS
89-05-4
PubChem CID
6961
DTXSID
DTXSID8044466
ChEMBL
CHEMBL1235346
ChEBI
CHEBI:45165
UNII
D9UXG2U6ZU
EC Number
201-879-5
Nikkaji
J4.299D

物性

構造計算による物性

XLogP
0
極性表面積
149 Ų
水素結合供与体数
4
水素結合受容体数
8
回転可能結合数
4
重原子数
18

実験および物理化学的性質

Chemical ClassesOther Classes -> Organic Acids
DrugsPharmaceuticals -> Listed in ZINC15
SpringerMaterials Properties13C nuclear magnetic resonance spectrum
Density1.79 @25 °C
Food Contact SubstancesFCS -> FDA Cumulative Estimated Daily Intake (CEDI)
Physical DescriptionPowder; [Alfa Aesar MSDS]

物理化学的性質

融点
281 · 281-284.5 °C(lit.)
沸点
317.36 °C · 317.36°C (rough estimate)
比重(密度)
0 · 0,56 g/cm3
屈折率
1.701 · 1.7010 (estimate)
闪点
325 °C · 325 °C
貯蔵温度
30 °C · Store below +30°C.

化学的性質

化学的特性White powder. Absorbs moisture slowly if exposed to atmosphere. Soluble in alcohol, slightly soluble in water.

安全と法規制

GHS分類

GHS Classification · 6 件

This chemical does not meet GHS hazard criteria for 53.3% (128 of 240) of all reports.

Warning

H315 (21.2%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 240 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Not Classified

危険有害性情報

Regulatory Information · 3 件

Chemical: 1,2,4,5-Benzenetetracarboxylic acid

Status: Cease Manufacture Update: 28-03-2012 https://echa.europa.eu/registration-dossier/-/registered-dossier/12839

1,2,4,5-Benzenetetracarboxylic acid: Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryIntraperitoneal LD50 (mouse) = 300 mg/kg; [RTECS] A skin and strong eye irritant; [Alfa Aesar MSDS]
Hazard Classes and CategoriesSkin Irrit. 2 (21.2%)

安全と保護具

Protective Action Criteria (PAC) · 3 件

0.98 [mg/m3]

11 [mg/m3]

65 [mg/m3]

安全データ

F
34
wgk
3
tsca
TSCA listed
rtecs
DB9275000
hs_code
29173980
risk_code
36/37/38-36

化学と産業

用途と製造

Uses · 2 件

Used as a metal powder coating additive; [ExPub: ECHA REACH Registrations]

Painting (Pigments, Binders, and Biocides) [Category: Paint]

General Manufacturing Information1,2,4,5-Benzenetetracarboxylic acid: ACTIVE
応用分野 · 3 件

解説1,2,4,5-benzenetetracarboxylic acid.C10H6O8(254.16).ピロメリト酸,メリト酸を硫酸および硫酸水素カリウムとともに加熱して,脱炭酸すれば生成するのでこの名称がある.工業的には,ジュレンを酸化すると得られる.水から再結晶したものは二水和物である.無水物は融点275 ℃.pK1 1.92,pK2 2.89,pK3 4.49,pK4 5.63(25 ℃).熱湯,エタノール,DMFに易溶.蒸留すると酸無水物として留出する.芳香族ポリイミド,ポリエステル,耐熱エポキシ樹脂の合成原料に用いられる.森北出版「化学辞典(第2版)

用途有機合成原料。

使用Pyromellitic acid (PMA) is mainly used as intermediate for powder coating. Product Data Sheet

調製方法 · 1 件

純化方法Dissolve it in 5.7 parts of hot dimethylformamide, decolorise, filter and cool. The precipitate is collected and dried in air. The solvent is removed by heating in an oven at 150-170o for several hours. It also crystallises from water. [Beilstein 9 H 997, 9 IV 3804.]

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T&W GROUP021-61551611 13296011611 · [email protected]

補足説明

定義ChEBI: A tetracarboxylic acid that is benzene substituted by four carboxy groups at positions 1, 2, 4 and 5 respectively.

関連反応

14 件

関連ノート

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