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HCID 97257Erstellt: 26. Oktober 2026

2-Hydroxyterephthalic acid

Hydroxyterephthalic acid · DK7270 · H2BDC-OH · 2-HydroxyterephthaL · 2-hydroxyterephthalic acid · Terephthalic acid, hydroxy- · 2-HydroxyterephthalicAcid>2-Hydroxyterephthalic acid 97% · 2-hydroxybenzene-1,4-dioic acid

https://huagongshe.com/de/chemical/97257

Molekülstruktur von 2-Hydroxyterephthalic acid

Identifikatoren & physikalische Daten

CAS No.636-94-2
SummenformelC8H6O5
Durchschnittliche Molmasse182,13 g/mol
Monoisotopische Masse182,02152329 g/mol
SMILESO=C(O)c1ccc(C(=O)O)c(O)c1
InChIKeyCDOWNLMZVKJRSC-UHFFFAOYSA-N
PubChem CID97257
EC No.692-426-4
DTXSIDDTXSID40212983

Chemische & physikalische Eigenschaften

XLogP1,5
Polarare Oberfläche (TPSA)94,8
H-Brücken-Donoren3
H-Brücken-Akzeptoren5
Frei drehbare Bindungen2
Schwere Atome13
Formalladung0
Komplexität225
Schmelzpunkt312-317 °C
Siedepunkt436.9±40.0 °C(Predicted)
Dichte1.612±0.06 g/cm3(Predicted)
LagerbedingungenInert atmosphere,Room Temperature
Aggregatzustandpowder to crystal
pKa (Säurekonstante)2.56±0.10(Predicted)
FarbeWhite to Yellow to Orange
InChIInChI=1S/C8H6O5/c9-6-3-4(7(10)11)1-2-5(6)8(12)13/h1-3,9H,(H,10,11)(H,12,13)
InChIKeyCDOWNLMZVKJRSC-UHFFFAOYSA-N
SMILESC1(C(O)=O)=CC=C(C(O)=O)C=C1O
CAS Datenbank636-94-2

Sicherheit & Vorschriften

GHS-EinstufungWarningH302 (97.7%): Harmful if swallowed [Warning Acute toxicity, oral]H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (97.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, 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 43 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesAcute Tox. 4 (97.7%)Skin Irrit. 2 (100%)Eye Irrit. 2 (100%)STOT SE 3 (97.7%)
Wassergefährdungsklasse (WGK)3
Zollcode29182900
R-Sätze (R)22-36/37/38
GefahrensymboleXn
Sicherheitshinweise (S)26
Lagerklasse11 - Combustible Solids
GefahrenklasseAcute Tox. 4 OralEye Irrit. 2Skin Irrit. 2STOT SE 3

Anwendungen & Verwendung

Verwenden

2-Hydroxyterephthalic acid is a useful reagent and reactant in the field of nanotechnology, and material science. Della Pia, A., et al.: Faraday Discuss., 204, 191-213 (2017);