But-1-in

1-Butyne

HCID 7846CAS 107-00-6
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Grundinformationen

Standard-SMILES
C#CCC
InChIKey
KDKYADYSIPSCCQ-UHFFFAOYSA-N
Summenformel
C4H6
Durchschnittliche Molmasse
54,09 g/mol
Monoisotopische Masse
54,04695019

Überblick

Ethyl acetylene, stabilized appears as a colorless gas. Denser than air. Prolonged exposure to intense heat may cause the containers to rupture violently and rocket.

Namen und Bezeichner

Bevorzugter Name
1-Butyne
IUPAC
but-1-yne
Lokaler Name
But-1-in
Englischer Name
1-Butyne
Summenformel
C4H6
Molmasse
54.09

Namen und Synonyme

1-BUTYNEbut-1-yneEthyl acetyleneButyne-1UN2452UNII-A6B47CPN6WEINECS 203-451-3A6B47CPN6WEthylacetylene, inhibitedEthyl acetylene, inhibitedC2H5C.$.CHDTXSID4029141
Weitere Namen anzeigen
Ethylethyne1-BUTYNE 98%C2H5CequivCHETHYLACETYLENE1-BUTYNE, 98+%1-Butyne (8CI, 9CI)ethylacetylene,inhibited
CHEBI:48087UN 2452ETHYL ACETYLENE, (STABILIZED)ETHYL ACETYLENE, [STABILIZED]Etilacetileno, inhibidoRefChem:75284Ethylacetylene, stabiliseDTXCID709141

Datenbank-Bezeichner

CAS
107-00-6
PubChem CID
7846
DTXSID
DTXSID4029141
ChEBI
CHEBI:48087
UNII
A6B47CPN6W
EC Number
203-451-3
Nikkaji
J4.044D

Eigenschaften

Berechnete Struktureigenschaften

XLogP
1,3
Polarare Oberfläche (TPSA)
0 Ų
H-Brücken-Donoren
0
H-Brücken-Akzeptoren
0
Frei drehbare Bindungen
0
Schwere Atome
4

Experimentelle und physikochemische Eigenschaften

Chemical Classes · 2 Einträge

Other Classes -> Aliphatics, Unsaturated

Flammable agents - 4th degree

SpringerMaterials PropertiesCoriolis coupling
LogP1.46
Physical Description · 3 Einträge

Ethyl acetylene, stabilized appears as a colorless gas. Denser than air. Prolonged exposure to intense heat may cause the containers to rupture violently and rocket.

Liquid; Gas Vapor

Colorless gas; [CAMEO] Odor of garlic; [Matheson Tri-Gas MSDS]

Physikochemische Eigenschaften

Schmelzpunkt
-126 °C · -126°C
Siedepunkt
8 °C · 8°C
Dichte
0.678 · 0.678
Brechungsindex
1.3962 · 1.3962
Flammpunkt
-0.15 °C · -0.15°C
storage temp.
2 · 2-8°C

Sicherheit und Regulatorisches

GHS-Klassifizierung

GHS Classification · 5 Einträge

This chemical does not meet GHS hazard criteria for 3% (5 of 164) of reports.

Danger

H220 (97%): Extremely flammable gas [Danger Flammable gases]

P203, P210, P222, P280, P377, P381, P403, and P410+P403 (click each P-code to see the statement)

Aggregated GHS information provided per 164 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Gefahrenhinweise

Regulatory Information · 4 Einträge

Chemical: 1-Butyne

1-Butyne is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1-Butyne are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

1-Butyne: Does not have an individual approval but may be used under an appropriate group standard

The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)

Other Safety InformationIMAP assessments - 1-Butyne: Human health tier I assessment
DOT LabelFlammable Gas
Fire Hazards · 2 Einträge

Excerpt from ERG Guide 116 [Gases - Flammable (Unstable); polymerization hazard]:

· EXTREMELY FLAMMABLE.

Health Hazards · 2 Einträge

Excerpt from ERG Guide 116 [Gases - Flammable (Unstable); polymerization hazard]:

· Vapors may cause dizziness or asphyxiation without warning, especially when in closed or confined areas.

Hazards Summary · 1 Eintrag

Highly flammable and forms explosive mixtures with air; Heat may cause explosive polymerization; [CAMEO] Extremely flammable and forms explosive mixtures with air; May polymerize; Inhalation may cause difficulty breathing, suffocation, convulsions, and coma; [Matheson Tri-Gas MSDS] Rapidly expanding gases can cause frostbite; A simple asphyxiant; [Airgas MSDS] Ethylacetylene, stabilized (UN2452) has warning of explosive polymerization; [ERG 2016] See Acetylene.

Sicherheit und Schutzausrüstung

Fire FightingExcerpt from ERG Guide 116 [Gases - Flammable (Unstable); polymerization hazard]:
Accidental Release Measures · 2 Einträge

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.

· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.

First Aid · 2 Einträge

Excerpt from ERG Guide 116 [Gases - Flammable (Unstable); polymerization hazard]:

General First Aid:

Exposure Control and Personal Protection· Wear positive pressure self-contained breathing apparatus (SCBA).
Nonfire Spill ResponseExcerpt from ERG Guide 116 [Gases - Flammable (Unstable); polymerization hazard]:
Isolation and Evacuation · 2 Einträge

Excerpt from ERG Guide 116 [Gases - Flammable (Unstable); polymerization hazard]:

Immediate precautionary measure

Toxikologische Informationen

Adverse EffectsNeurotoxin - Acute solvent syndrome

Regulatorische Informationen

DHS Chemicals of Interest (COI) · 4 Einträge

Ethyl acetylene

1

10000

Flammable chemical that can be released at a facility.

Sicherheitsdaten

wgk
3
tsca
TSCA listed
ridadr
UN 2452 (ETHYLACETYLENE, STABILIZED)
hs_code
2901230000
RTECS-Nr.
203-451-3
risk_code
11-12

Chemie und Industrie

Verwendung und Herstellung

UsesUsed as an intermediate and special fuel; [Hawley]
U.S. Production2023: 1,000,000 - <8,500,000 lb
Consumer UsesIntermediate
Industry UsesIntermediate
General Manufacturing Information · 2 Einträge

Petroleum Refineries

1-Butyne: ACTIVE

Anwendungen

VerwendenSpecialty fuel, chemical intermediate.

Vor- und nachgelagerte Produkte

Ergänzende Hinweise

DefinitionChEBI: A terminal acetylenic compound that is butane carrying a triple bond at position 1.

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