Pyromellitic Acid

HCID 6961CAS 89-05-4

Basic information

Standard SMILES
O=C(O)c1cc(C(=O)O)c(C(=O)O)cc1C(=O)O
InChIKey
CYIDZMCFTVVTJO-UHFFFAOYSA-N
Molecular formula
C10H6O8
Average molar mass
254.15 g/mol
Monoisotopic mass
254.00626715

Overview

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.

Names & identifiers

Preferred name
Pyromellitic Acid
IUPAC
benzene-1,2,4,5-tetracarboxylic acid
English name
Pyromellitic acid
Molecular formula
C10H6O8
Molecular weight
254.15

Names & synonyms

PYROMELLITIC ACID89-05-4Benzene-1,2,4,5-tetracarboxylic acid1,2,4,5-Benzenetetracarboxylic acidDTXSID8044466D9UXG2U6ZUNSC-6369DTXCID6024466CHEBI:45165RefChem:177858201-879-5USAF XR-20
Show more names
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

Database identifiers

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

Properties

Computed structural properties

XLogP
0
Topological polar surface area
149 Ų
Hydrogen bond donors
4
Hydrogen bond acceptors
8
Rotatable bonds
4
Heavy atoms
18

Experimental & physicochemical properties

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]

Physicochemical properties

Melting point
281 · 281-284.5 °C(lit.)
Boiling point
317.36 °C · 317.36°C (rough estimate)
Density
0 · 0,56 g/cm3
refractive index
1.701 · 1.7010 (estimate)
Flash point
325 °C · 325 °C
storage temp.
30 °C · Store below +30°C.

Safety & regulation

GHS classification

GHS Classification · 6 items

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

Hazard information

Regulatory Information · 3 items

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%)

Safety & protection

Protective Action Criteria (PAC) · 3 items

0.98 [mg/m3]

11 [mg/m3]

65 [mg/m3]

Safety data

F
34
PPE
dust mask type N95 (US), Eyeshields, Gloves
wgk
3
tsca
TSCA listed
rtecs
DB9275000
hs_code
29173980

Chemistry & industry

Uses & manufacturing

Uses · 2 items

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
Applications · 3 items

UsesPyromellitic acid is an eluent used in anion chromatography and forms complexes with magnesium and calcium ions. It is used as a curing agent, as an intermediate for powder coating and a cross-linking agent for alkyd resin. It is involved in the synthesis of polyimide and pyromellitic octyl.

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

Uses1,2,4,5-benzenetetracarboxylic acid is used for the synthesis of the polyimide, pyromellitic octyl, etc., it is the main raw material of matting curing agent.

Suppliers50 total

国药集团化学试剂有限公司86-21-63210123 · [email protected]
梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
武汉欣扬瑞和化学科技有限公司153-07155313 15307155313 · [email protected]
T&W GROUP021-61551611 13296011611 · [email protected]

Additional notes

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

Related reactions

14 records

Linked notes

Loading…