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HCID 7304Erstellt: 23. Oktober 2026

1-Methylpyrrol

1-methyl-1h-pyrrole · N-METHYLPYRROLE · METHYLPYRROLE · 1-METHYLPYRROLE · N-Methylpyrrol · Pyrrole, 1-methyl- · 1H-pyrrole,1-methyl- · 1-Methylpyrrol

https://huagongshe.com/de/chemical/7304

Molekülstruktur von 1-Methylpyrrol

Identifikatoren & physikalische Daten

CAS No.27417-39-6
SummenformelC5H7N
Durchschnittliche Molmasse81,12 g/mol
Monoisotopische Masse81,05784922 g/mol
SMILESCn1cccc1
InChIKeyOXHNLMTVIGZXSG-UHFFFAOYSA-N
PubChem CID7304
ChEMBLCHEMBL1234459
ChEBICHEBI:89012
EC No.202-513-7
DTXSIDDTXSID3052648
Lokaler Name1-Methylpyrrol

Chemische & physikalische Eigenschaften

XLogP1,2
Polarare Oberfläche (TPSA)4,9
H-Brücken-Donoren0
H-Brücken-Akzeptoren0
Frei drehbare Bindungen0
Schwere Atome6
Formalladung0
Komplexität37,2
StoffklassenNitrogen Compounds -> Pyrroles
SpringerMaterials PropertiesSchoenflies notation
LogP (Verteilungskoeffizient)1.211.15
Dichte0.9145 @ 15°C0.914 g/mL at 25 °C (lit.)
Flammpunkt16 °C59 °F
SiedepunktThe Guide in the Emergency Response Guidebook is for "Flammable liquid, n.o.s." 112-113 °C112.00 to 113.00 °C. @ 760.00 mm Hg112.81 °C @760 [mm Hg]112-113 °C (lit.)
Schmelzpunkt-57.00 °C. @ 760.00 mm Hg-57 °C (lit.)
Dampfdruck21.4 [mmHg]15 [mm Hg] @20.2 °C15 mm Hg ( 20.2 °C)
Physical DescriptionColorless liquid[Hawley] Bright yellow liquid[Ullmann]
Dampfdichte2.8 (vs air)
Brechungsindexn20/D 1.489
LagerbedingungenStore below +30°C.
Löslichkeit13g/lSoluble in organic solvents such as alcohol and so on, but insoluble in water.
Aggregatzustandliquid
pKa (Säurekonstante)-2.80±0.70(Predicted)
Farbeyellow-brown
pH10.4 (10g/l, H2O, 10℃)
Geruchat 1.00 % in dipropylene glycol. powerful smoky woody herbal
Geruchsartwoody
Biologische Quellesynthetic
Explosionsgrenze1.4-8.5%(V)
BRN104181
Henry-Konstante9.0×10-3 mol/(m3Pa) at 25℃, Hilal et al. (2008)
Hauptanwendungenflavors and fragrances
InChI1S/C5H7N/c1-6-4-2-3-5-6/h2-5H,1H3
InChIKeyOXHNLMTVIGZXSG-UHFFFAOYSA-N
SMILESCn1cccc1
LogP (Verteilungskoeffizient)1.210
CAS Datenbank96-54-8(CAS DataBase Reference)
NIST chemische Informationen1H-Pyrrole, 1-methyl-(96-54-8)
EPA chemische Informationen1H-Pyrrole, 1-methyl- (96-54-8)

Sicherheit & Vorschriften

GHS-EinstufungWarningH302 (89.9%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P270, P271, P280, P301+P317, P302+P352, P304+P340, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 1523 reports by companies from 19 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenChemical: 1H-Pyrrole, 1-methyl-Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)1-Methylpyrrole: Does not have an individual approval but may be used under an appropriate group standard
GefahrenübersichtFlammable liquid[Hawley] A skin irritant[eChemPortal: ERMA] An irritant[MSDSonline] Harmful if swallowedLD50 (rats) = 1400 mg/kgRats inhaling saturated concentration at room temperature die after 1 hourSevere mucosal irritation and narcosis were observed[Ullmann]
Hazard Classes and CategoriesAcute Tox. 4 (89.9%)
Protective Action Criteria (PAC)12 [mg/m3]130 [mg/m3]790 [mg/m3]
Unerwünschte WirkungenNeurotoxin - Other CNS neurotoxin
Toxicity DataLC50 (rat) = >5.6 mg/l/4H
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
UN-TransportnummerUN 1993 3/PG 2
Zollcode29339990
RTECS-Nr.UX9640000
R-Sätze (R)11-36/37/38-37/38-22
ToxizitätLD50 orally in Rabbit: 1400 mg/kg LD50 dermal Rabbit > 400 mg/kg
GefahrensymboleF,Xi,Xn
Sicherheitshinweise (S)16-26-36-37-25-23
Gefahrenklasse3Acute Tox. 4 OralFlam. Liq. 2Skin Irrit. 2
VerpackungsgruppeII
Lagerklasse3 - Flammable liquids
Selbstentzündungstemperatur400 °C

Anwendungen & Verwendung

Beschreibung

1-Methylpyrrole is a fundamental structural unit employed in synthesis, belonging to the class of pyrrole compounds. It can be used as a monomer for preparing thin-film polymers and is utilised in electrochemical research. It also participates in photoaddition and substitution reactions, and is used to prepare hybrid compounds such as 1-methyl-2-(1,2-diphenylethyl)pyrrole.

Verwenden

Organic synthesis.