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HCID 70122Erstellt: 26. Oktober 2026

1,3-Dimethyluracil

1,3-DIMETHYLPYRIMIDINE-2,4(1H,3H)-DIONE · 1,3-dimethylpyrimidine-2,4-dione · 1,3-DIMETHYL-1H-PYRIMIDINE-2,4-DIONE · AKOS BBS-00004678 · 1,3-DIMETHYLURACIL · N,N'-Dimethyluracil · TIMTEC-BB SBB004164 · N1,N3-Dimethyluracil

https://huagongshe.com/de/chemical/70122

Molekülstruktur von 1,3-Dimethyluracil

Identifikatoren & physikalische Daten

CAS No.874-14-6
SummenformelC6H8N2O2
Durchschnittliche Molmasse140,14 g/mol
Monoisotopische Masse140,0585775 g/mol
SMILESCn1ccc(=O)n(C)c1=O
InChIKeyJSDBKAHWADVXFU-UHFFFAOYSA-N
PubChem CID70122
ChEMBLCHEMBL11470
ChEBICHEBI:74763
EC No.212-856-4
DTXSIDDTXSID0061244
Lokaler Name1,3-Dimethyluracil

Chemische & physikalische Eigenschaften

XLogP-0,5
Polarare Oberfläche (TPSA)40,6
H-Brücken-Donoren0
H-Brücken-Akzeptoren2
Frei drehbare Bindungen0
Schwere Atome10
Formalladung0
Komplexität210
SpringerMaterials PropertiesFusion temperature
LogP (Verteilungskoeffizient)-0.54
Schmelzpunkt120 °C119-122 °C (lit.)
Physical DescriptionSolid
Siedepunkt256.63°C (rough estimate)
Dichte1.2850 (rough estimate)
Brechungsindex1.5010 (estimate)
LagerbedingungenSealed in dry,Room Temperature
Aggregatzustandpowder to crystal
pKa (Säurekonstante)-2.04±0.20(Predicted)
FarbeWhite to Almost white
Löslichkeitalmost transparency
BRN124074
InChIInChI=1S/C6H8N2O2/c1-7-4-3-5(9)8(2)6(7)10/h3-4H,1-2H3
InChIKeyJSDBKAHWADVXFU-UHFFFAOYSA-N
SMILESC1(=O)N(C)C=CC(=O)N1C
CAS Datenbank874-14-6(CAS DataBase Reference)
NIST chemische Informationen2,4(1H,3H)-Pyrimidinedione, 1,3-dimethyl-(874-14-6)
EPA chemische Informationen2,4(1H,3H)-Pyrimidinedione, 1,3-dimethyl- (874-14-6)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 60% (3 of 5) of all reports.WarningH315 (40%): 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 5 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenStatus: Active Update: 22-07-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/29512
Hazard Classes and CategoriesSkin Irrit. 2 (40%)
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
Zollcode29335990
R-Sätze (R)36-36/37/38
GefahrensymboleXi
Sicherheitshinweise (S)22-24/25-39-26-36/37
Lagerklasse11 - Combustible Solids

Anwendungen & Verwendung

Verwenden

1,3-Dimethyluracil is suitable reagent used to investigate the steady-state absorption and fluorescence spectra of uracil derivatives. It may be used in the preparation of 2,6-dihydroxynicotinamide.

1,3-Dimethyluracil|Huagongshe