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HCID 8546Erstellt: 26. Oktober 2026

3,3'-Dihydroxy-4,4'-methylendi-2-naphthoesure

EMBONIC ACID · Pamoic · PaMoic aci · Pamic acid · PAMOIC ACID · PalMer acid · Pamuric acid · PamoicAcid98%

https://huagongshe.com/de/chemical/8546

Molekülstruktur von 3,3'-Dihydroxy-4,4'-methylendi-2-naphthoesure

Identifikatoren & physikalische Daten

CAS No.130-85-8
SummenformelC23H16O6
Durchschnittliche Molmasse388,4 g/mol
Monoisotopische Masse388,09468823 g/mol
SMILESO=C(O)c1cc2ccccc2c(Cc2c(O)c(C(=O)O)cc3ccccc23)c1O
InChIKeyWLJNZVDCPSBLRP-UHFFFAOYSA-N
PubChem CID8546
ChEMBLCHEMBL177880
ChEBICHEBI:50186
EC No.204-998-0
DTXSIDDTXSID9048984
Lokaler Name3,3'-Dihydroxy-4,4'-methylendi-2-naphthoesure

Chemische & physikalische Eigenschaften

XLogP5,8
Polarare Oberfläche (TPSA)115
H-Brücken-Donoren4
H-Brücken-Akzeptoren6
Frei drehbare Bindungen4
Schwere Atome29
Formalladung0
Komplexität568
Endocrine DisruptorsPotential endocrine disrupting compound
Schmelzpunkt≥300 °C (dec.)
Siedepunkt434.1°C (rough estimate)
Dichte1.2472 (rough estimate)
Brechungsindex1.4593 (estimate)
LagerbedingungenSealed in dry,Room Temperature
LöslichkeitSoluble in nitrobenzene, pyridinePRACTICALLY INSOLUBLE
AggregatzustandCrystalline Powder
pKa (Säurekonstante)2.67±0.30(Predicted)
FarbeYellow to yellow-green
Merck14,7005
BRN901319
InChI1S/C23H16O6/c24-20-16(14-7-3-1-5-12(14)9-18(20)22(26)27)11-17-15-8-4-2-6-13(15)10-19(21(17)25)23(28)29/h1-10,24-25H,11H2,(H,26,27)(H,28,29)
InChIKeyWLJNZVDCPSBLRP-UHFFFAOYSA-N
SMILESOC(=O)c1cc2ccccc2c(Cc3c(O)c(cc4ccccc34)C(O)=O)c1O
CAS Datenbank130-85-8(CAS DataBase Reference)
EPA chemische Informationen2-Naphthalenecarboxylic acid, 4,4'-methylenebis[3-hydroxy- (130-85-8)

Sicherheit & Vorschriften

GHS-EinstufungWarningH302 (15.3%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 72 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenStatus: Active Update: 09-05-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/236712-Naphthalenecarboxylic acid, 4,4'-methylenebis[3-hydroxy-: Does not have an individual approval but may be used under an appropriate group standard
Weitere SicherheitsinformationenIMAP assessments - 2-Naphthalenecarboxylic acid, 4,4'-methylenebis[3-hydroxy-: Environment tier I assessment
Hazard Classes and CategoriesAcute Tox. 4 (15.3%)
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
Zollcode29182990
RTECS-Nr.QL2180000
R-Sätze (R)36/37/38-48-41-37/38-20/21/22
Toxizitäteye-rbt 100 mg MOD FCTOD7 20,573,82
GefahrensymboleXi,Xn
Sicherheitshinweise (S)26-36-45-36/37/39-22
Lagerklasse11 - Combustible Solids

Anwendungen & Verwendung

Verwenden

Pamoic acid is used in preparation of repository derivatives of medicinal agents, used in pharmacology to increase the solubility of a drug in water.