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HCID 6961Erstellt: 26. Oktober 2026

Benzol-1,2,4,5-tetracarbonsure

1,2,4,5-BENZENETETRACARBOXYLIC ACID · BENZENE-1,2,4,5-TETRACARBOXYLIC ACID · 1,2,4,5-BenzenetetracarboxyL · 1,2,4,5-Benzenetetracarboxylic acid, 96% 5GR · usafxr-20 · USAF xr-20 · AKOS AUF2102 · pyromelliticaci

https://huagongshe.com/de/chemical/6961

Molekülstruktur von Benzol-1,2,4,5-tetracarbonsure

Identifikatoren & physikalische Daten

CAS No.89-05-4
SummenformelC10H6O8
Durchschnittliche Molmasse254,15 g/mol
Monoisotopische Masse254,00626715 g/mol
SMILESO=C(O)c1cc(C(=O)O)c(C(=O)O)cc1C(=O)O
InChIKeyCYIDZMCFTVVTJO-UHFFFAOYSA-N
PubChem CID6961
ChEMBLCHEMBL1235346
ChEBICHEBI:45165
EC No.201-879-5
DTXSIDDTXSID8044466
Lokaler NameBenzol-1,2,4,5-tetracarbonsure

Chemische & physikalische Eigenschaften

XLogP0
Polarare Oberfläche (TPSA)149
H-Brücken-Donoren4
H-Brücken-Akzeptoren8
Frei drehbare Bindungen4
Schwere Atome18
Formalladung0
Komplexität327
StoffklassenOther Classes -> Organic Acids
ArzneimittelPharmaceuticals -> Listed in ZINC15
SpringerMaterials Properties13C nuclear magnetic resonance spectrum
Dichte1.79 @25 °C0,56 g/cm3
Food Contact SubstancesFCS -> FDA Cumulative Estimated Daily Intake (CEDI)
Physical DescriptionPowder[Alfa Aesar MSDS]
Dissociation Constants1.87 (at 25 °C)
Schmelzpunkt281-284.5 °C(lit.)
Siedepunkt317.36°C (rough estimate)
Brechungsindex1.7010 (estimate)
Flammpunkt325 °C
LagerbedingungenStore below +30°C.
Löslichkeit0.1 M NaOH: 0.2 M, clear, faintly yellow1.5 g/100 mL (20 ºC)
pKa (Säurekonstante)pK1: 1.92pK2: 2.87pK3: 4.49pK4: 5.63 (25°C)
AggregatzustandCrystalline Powder
FarbeWhite to very slightly yellow
Merck14,8004
Henry-Konstante1.6×1013 mol/(m3Pa) at 25℃, Yaws (2003)
StabilitätStable. Incompatible with strong oxidizing agents, strong bases.
InChI1S/C10H6O8/c11-7(12)3-1-4(8(13)14)6(10(17)18)2-5(3)9(15)16/h1-2H,(H,11,12)(H,13,14)(H,15,16)(H,17,18)
InChIKeyCYIDZMCFTVVTJO-UHFFFAOYSA-N
SMILESOC(=O)c1cc(C(O)=O)c(cc1C(O)=O)C(O)=O
LogP (Verteilungskoeffizient)0.15 at 25℃
CAS Datenbank89-05-4(CAS DataBase Reference)
NIST chemische Informationen1,2,4,5-Benzene-tetracarboxylic acid(89-05-4)
EPA chemische Informationen1,2,4,5-Benzenetetracarboxylic acid (89-05-4)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 53.3% (128 of 240) of all reports.WarningH315 (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
Regulatorische InformationenChemical: 1,2,4,5-Benzenetetracarboxylic acidStatus: Cease Manufacture Update: 28-03-2012 https://echa.europa.eu/registration-dossier/-/registered-dossier/128391,2,4,5-Benzenetetracarboxylic acid: Does not have an individual approval but may be used under an appropriate group standard
GefahrenübersichtIntraperitoneal LD50 (mouse) = 300 mg/kg[RTECS] A skin and strong eye irritant[Alfa Aesar MSDS]
Hazard Classes and CategoriesSkin Irrit. 2 (21.2%)
Protective Action Criteria (PAC)0.98 [mg/m3]11 [mg/m3]65 [mg/m3]
F34
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
Zollcode29173980
RTECS-Nr.DB9275000
R-Sätze (R)36/37/38-36
GefahrensymboleXi
Sicherheitshinweise (S)26-36-37/39-24/25
Lagerklasse11 - Combustible Solids

Anwendungen & Verwendung

Verwenden

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