Zurück
HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 70372Erstellt: 26. Oktober 2026

3,4,5-Trimethoxyphenylessigsure

3,4,5-TrimethoxyphenyL · TIMTEC-BB SBB003317 · RARECHEM AL BO 0126 · LABOTEST-BB LT00454740 · Laudanosine intermediate · TriMethoxyphenylaceticaci · 3,4,5-Trimethoxyphenylacetic · 5-TriMethoxyphenylacetic acid

https://huagongshe.com/de/chemical/70372

Molekülstruktur von 3,4,5-Trimethoxyphenylessigsure

Identifikatoren & physikalische Daten

CAS No.951-82-6
SummenformelC11H14O5
Durchschnittliche Molmasse226,23 g/mol
Monoisotopische Masse226,08412355 g/mol
SMILESCOc1cc(CC(=O)O)cc(OC)c1OC
InChIKeyDDSJXCGGOXKGSJ-UHFFFAOYSA-N
PubChem CID70372
ChEMBLCHEMBL4438899
ChEBICHEBI:125676
EC No.213-456-2
DTXSIDDTXSID60241755
Lokaler Name3,4,5-Trimethoxyphenylessigsure

Chemische & physikalische Eigenschaften

XLogP0,9
Polarare Oberfläche (TPSA)65
H-Brücken-Donoren1
H-Brücken-Akzeptoren5
Frei drehbare Bindungen5
Schwere Atome16
Formalladung0
Komplexität216
StoffklassenOther Classes -> Organic Acids
Physical DescriptionBeige crystalline solid[Sigma-Aldrich MSDS]
Schmelzpunkt117-120 °C (lit.)
Siedepunkt327.83°C (rough estimate)
Dichte1.2668 (rough estimate)
Brechungsindex1.5140 (estimate)
LagerbedingungenSealed in dry,Room Temperature
LöslichkeitChloroform (Slightly), Methanol (Slightly)SOLUBLE
pKa (Säurekonstante)4.23±0.10(Predicted)
AggregatzustandCrystalline Powder
FarbeWhite to cream
BRN2697844
InChIInChI=1S/C11H14O5/c1-14-8-4-7(6-10(12)13)5-9(15-2)11(8)16-3/h4-5H,6H2,1-3H3,(H,12,13)
InChIKeyDDSJXCGGOXKGSJ-UHFFFAOYSA-N
SMILESC1(CC(O)=O)=CC(OC)=C(OC)C(OC)=C1
CAS Datenbank951-82-6(CAS DataBase Reference)
NIST chemische Informationen3,4,5-Trimethoxyphenylacetic acid(951-82-6)

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (100%): 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 48 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenBenzeneacetic acid, 3,4,5-trimethoxy-: Does not have an individual approval but may be used under an appropriate group standard
GefahrenübersichtA skin irritant[Sigma-Aldrich MSDS] See 3-Methoxyphenylacetic acid and 2-Methoxyphenylacetic acid.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Wassergefährdungsklasse (WGK)3
Zollcode29189090
R-Sätze (R)38-36/37/38-22
GefahrensymboleXi
hazard_noteIrritant
Sicherheitshinweise (S)22-24/25-37/39-26
Lagerklasse11 - Combustible Solids

Anwendungen & Verwendung

Verwenden

3,4,5-Trimethoxyphenylacetic Acid is a reagent in the preparation of 3-phenylcoumarins as antidepressant agents.