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HCID 68137Erstellt: 26. Oktober 2026

5-Methylisophthalsure

5-METHYL-1,3-BENZENEDICARBOXYLIC ACID · UVITIC ACID · uvitinic acid · Einecs 207-881-2 · TIMTEC-BB SBB008429 · RARECHEM AL BO 1540 · 5-METHYLISOPHTHALIC ACID · 5-METHYL-1,3-BENZOIC ACID

https://huagongshe.com/de/chemical/68137

Molekülstruktur von 5-Methylisophthalsure

Identifikatoren & physikalische Daten

CAS No.499-49-0
SummenformelC9H8O4
Durchschnittliche Molmasse180,16 g/mol
Monoisotopische Masse180,04225873 g/mol
SMILESCc1cc(C(=O)O)cc(C(=O)O)c1
InChIKeyPMZBHPUNQNKBOA-UHFFFAOYSA-N
PubChem CID68137
EC No.207-881-2
DTXSIDDTXSID50198143
Lokaler Name5-Methylisophthalsure

Chemische & physikalische Eigenschaften

XLogP1,3
Polarare Oberfläche (TPSA)74,6
H-Brücken-Donoren2
H-Brücken-Akzeptoren4
Frei drehbare Bindungen2
Schwere Atome13
Formalladung0
Komplexität202
Schmelzpunkt299-303 °C(lit.)
Siedepunkt408.7±33.0 °C(Predicted)
Dichte1.377±0.06 g/cm3(Predicted)
LagerbedingungenSealed in dry,Room Temperature
Löslichkeitsoluble in Methanol
Aggregatzustandpowder to crystal
pKa (Säurekonstante)3.60±0.10(Predicted)
FarbeWhite to Light yellow to Green
InChIInChI=1S/C9H8O4/c1-5-2-6(8(10)11)4-7(3-5)9(12)13/h2-4H,1H3,(H,10,11)(H,12,13)
InChIKeyPMZBHPUNQNKBOA-UHFFFAOYSA-N
SMILESC1(C(O)=O)=CC(C)=CC(C(O)=O)=C1
CAS Datenbank499-49-0(CAS DataBase Reference)

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (97.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract 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 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 CategoriesSkin Irrit. 2 (100%)Eye Irrit. 2 (100%)STOT SE 3 (97.8%)
Wassergefährdungsklasse (WGK)3
Zollcode29173990
R-Sätze (R)36/37/38
GefahrensymboleXi
hazard_noteIrritant
Sicherheitshinweise (S)26-36/37/39
Lagerklasse11 - Combustible Solids
GefahrenklasseEye Irrit. 2Skin Irrit. 2STOT SE 3

Anwendungen & Verwendung

Verwenden

5-Methylisophthalic acid can be used in the synthesis of a La(III)–Co(II) heterometallic framework via reaction with lanthanum(III)chloride hydrate and cobalt(II)acetate under ionothermal conditions.