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HCID 22747Erstellt: 27. Oktober 2026

1,4-Dibromo-2,3-butanedione

SKL239 · SYM-DIBROMODIACETYL · 1,4-DIBROMODIACETYL · à,à'-dibromobiacetyl · 2,2’-dibromobiacetyl · 1,4-dibromobutanedione · 1,4-dibromo-3-butanedione · 1,4-dibromobutane-2,3-dione

https://huagongshe.com/de/chemical/22747

Molekülstruktur von 1,4-Dibromo-2,3-butanedione

Identifikatoren & physikalische Daten

CAS No.6305-43-7
SummenformelC4H4Br2O2
Durchschnittliche Molmasse243,88 g/mol
Monoisotopische Masse241,8578 g/mol
SMILESO=C(CBr)C(=O)CBr
InChIKeyRZMOICJDRADLCT-UHFFFAOYSA-N
PubChem CID22747
ChEBICHEBI:188852
EC No.228-615-1
DTXSIDDTXSID9064219

Chemische & physikalische Eigenschaften

XLogP1,2
Polarare Oberfläche (TPSA)34,1
H-Brücken-Donoren0
H-Brücken-Akzeptoren2
Frei drehbare Bindungen3
Schwere Atome8
Formalladung0
Komplexität96
Physical DescriptionLight yellow powder[Aldrich MSDS] Irritating odor[Alfa Aesar MSDS]
Schmelzpunkt117-119 °C (lit.)
Siedepunkt213.0±25.0 °C(Predicted)
Dichte2.0524 (rough estimate)
Brechungsindex1.5220 (estimate)
LagerbedingungenStorage temp. 2-8°C
Aggregatzustandpowder
LöslichkeitInsoluble in water.
BRN970154
InChIInChI=1S/C4H4Br2O2/c5-1-3(7)4(8)2-6/h1-2H2
InChIKeyRZMOICJDRADLCT-UHFFFAOYSA-N
SMILESC(Br)C(=O)C(=O)CBr
CAS Datenbank6305-43-7(CAS DataBase Reference)
EPA chemische Informationen2,3-Butanedione, 1,4-dibromo- (6305-43-7)

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (90.7%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (90.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (90.7%): 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 43 reports by companies from 3 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.
GefahrenübersichtCauses acute pulmonary edema and diffuse hepatitis in intravenous lethal-dose studies of dogs[RTECS] A skin and strong eye irritant[Aldrich MSDS] Causes burnsInhalation may cause corrosive injuries to upper respiratory tract and lungsHarmful by ingestion[Alfa Aesar MSDS]
Hazard Classes and CategoriesSkin Irrit. 2 (90.7%)Eye Irrit. 2 (90.7%)STOT SE 3 (90.7%)
Unerwünschte WirkungenOccupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.Dermatotoxin - Skin burns.
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
UN-Transportnummer1759
RTECS-Nr.EK2850000
R-Sätze (R)36/37/38
GefahrensymboleXi
Sicherheitshinweise (S)26-36/37/39-37/39-27
Gefahrenklasse8Eye Irrit. 2Skin Irrit. 2STOT SE 3
VerpackungsgruppeIII
Lagerklasse11 - Combustible Solids