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HCID 12490Erstellt: 26. Oktober 2026

4-Hydroxyisophthalsure

4-hipa · NSC 2445 · Eupirina · Aspirin IMpurity B · Aspirin Impurity 2 · RARECHEM AL BE 0104 · 4-Hydroxyisophthalic · Aspirin EP IMpurity B

https://huagongshe.com/de/chemical/12490

Molekülstruktur von 4-Hydroxyisophthalsure

Identifikatoren & physikalische Daten

CAS No.636-46-4
SummenformelC8H6O5
Durchschnittliche Molmasse182,13 g/mol
Monoisotopische Masse182,02152329 g/mol
SMILESO=C(O)c1ccc(O)c(C(=O)O)c1
InChIKeyBCEQKAQCUWUNML-UHFFFAOYSA-N
PubChem CID12490
ChEBICHEBI:229985
EC No.211-258-0
DTXSIDDTXSID50862332
Lokaler Name4-Hydroxyisophthalsure

Chemische & physikalische Eigenschaften

XLogP1,5
Polarare Oberfläche (TPSA)94,8
H-Brücken-Donoren3
H-Brücken-Akzeptoren5
Frei drehbare Bindungen2
Schwere Atome13
Formalladung0
Komplexität225
Endocrine DisruptorsPotential endocrine disrupting compound
Schmelzpunkt>300°C
Siedepunkt310 C
Dichte1.4411 (rough estimate)
Brechungsindex1.5690 (estimate)
Lagerbedingungen2-8°C
LöslichkeitDMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)0.3g/L(24 ºC)
Aggregatzustandsolid
pKa (Säurekonstante)2+-.0.10(Predicted)
FarbeWhite to Pale Purple
Merck14,4827
StabilitätHygroscopic
InChI1S/C8H6O5/c9-6-2-1-4(7(10)11)3-5(6)8(12)13/h1-3,9H,(H,10,11)(H,12,13)
InChIKeyBCEQKAQCUWUNML-UHFFFAOYSA-N
SMILESOC(C1=CC(C(O)=O)=C(O)C=C1)=O
CAS Datenbank636-46-4(CAS DataBase Reference)

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (95.7%): 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 46 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesSkin Irrit. 2 (95.7%)
Wassergefährdungsklasse (WGK)3
Zollcode29182900
RTECS-Nr.NT2544000
R-Sätze (R)36/37/38-41-22-36/38
GefahrensymboleXi,Xn
Sicherheitshinweise (S)26-36/37/39-36-39-6
Lagerklasse11 - Combustible Solids
GefahrenklasseEye Irrit. 2Skin Irrit. 2STOT SE 3