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HCID 137521Erstellt: 25. Oktober 2026

5-Bromo-2-methyl-2-pentene

5-BROMO-2-METHYLPENT-2-ENE · NSC 244464 · Homoprenyl bromide · Prenylmethyl bromide · 5-Bromo-2-methyl-2-pentene · 2-Pentene,5-bromo-2-methyl- · 5-bromo-2-methyl-2-pentylene · 5-Bromo-2-methyl-2-pentene 97%

https://huagongshe.com/de/chemical/137521

Molekülstruktur von 5-Bromo-2-methyl-2-pentene

Identifikatoren & physikalische Daten

CAS No.2270-59-9
SummenformelC6H11Br
Durchschnittliche Molmasse163,06 g/mol
Monoisotopische Masse162,00441 g/mol
SMILESCC(C)=CCCBr
InChIKeyUNXURIHDFUQNOC-UHFFFAOYSA-N
PubChem CID137521
EC No.627-445-9
DTXSIDDTXSID90177230

Chemische & physikalische Eigenschaften

XLogP2,9
Polarare Oberfläche (TPSA)0
H-Brücken-Donoren0
H-Brücken-Akzeptoren0
Frei drehbare Bindungen2
Schwere Atome7
Formalladung0
Komplexität60
Physical DescriptionClear light yellow liquid[Sigma-Aldrich MSDS]
Schmelzpunkt-102.35°C (estimate)
Siedepunkt152-154 °C (lit.)
Dichte1.217 g/mL at 25 °C (lit.)
Brechungsindexn20/D 1.476(lit.)
Flammpunkt73 °F
Lagerbedingungen2-8°C
Aggregatzustandliquid
Wichte1.217
LöslichkeitSlightly miscible with water.
BRN1735749
InChIInChI=1S/C6H11Br/c1-6(2)4-3-5-7/h4H,3,5H2,1-2H3
InChIKeyUNXURIHDFUQNOC-UHFFFAOYSA-N
SMILESC/C(/C)=C\CCBr

Sicherheit & Vorschriften

GHS-EinstufungDangerH225 (89.1%): Highly Flammable liquid and vapor [Danger Flammable liquids]H226 (10.9%): Flammable liquid and vapor [Warning Flammable liquids]H315 (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]P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, 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.
GefahrenübersichtA skin and strong eye irritant[Sigma-Aldrich MSDS] See 1-Chloro-2-methyl-1-propene.
Hazard Classes and CategoriesFlam. Liq. 2 (89.1%)Flam. Liq. 3 (10.9%)Skin Irrit. 2 (100%)Eye Irrit. 2 (100%)STOT SE 3 (97.8%)
F10-23
Wassergefährdungsklasse (WGK)3
UN-TransportnummerUN 1993 3/PG 2
Zollcode29033990
R-Sätze (R)10-36/37/38
GefahrensymboleXi
hazard_noteIrritant
Sicherheitshinweise (S)26-36
Gefahrenklasse3Eye Irrit. 2Flam. Liq. 2Skin Irrit. 2STOT SE 3
VerpackungsgruppeIII
Lagerklasse3 - Flammable liquids

Anwendungen & Verwendung

Verwenden

5-Bromo-2-methyl-2-pentene acts as a synthetic reagent, which is useful in the formation of sesqueterpenoid. It is also employed in the preparation of geranlol-3-14C. Further, it is used in the preparation of penifulvin A, which is a sesquiterpenoid with a novel dioxa-fenestrane structure.