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HCID 39149Erstellt: 1. November 2026

Triethylbenzol

triethylbenzene · Triethylbenzenes · Benzene, triethyl- · Benzene, triethyl- (mixed isomers).

https://huagongshe.com/de/chemical/39149

Identifikatoren & physikalische Daten

CAS No.	25340-18-5
Summenformel	C12H18
Durchschnittliche Molmasse	162,27 g/mol
Monoisotopische Masse	162,14085057 g/mol
SMILES	CCc1cccc(CC)c1CC
InChIKey	VIDOPANCAUPXNH-UHFFFAOYSA-N
PubChem CID	39149
EC No.	246-875-4
DTXSID	DTXSID30195034
Lokaler Name	Triethylbenzol

Chemische & physikalische Eigenschaften

XLogP	4,5
Polarare Oberfläche (TPSA)	0
H-Brücken-Donoren	0
H-Brücken-Akzeptoren	0
Frei drehbare Bindungen	3
Schwere Atome	12
Formalladung	0
Komplexität	105
Solvents	Solvents -> Aromatic Solvents
Dichte	0.861 at 68 °F (USCG, 1999) - Less dense than waterwill floatVapor density (Air= 1): 5.6 /1,3,5-Triethylbenzene/0.8631 @ 20°C0.8687 (estimate)
Löslichkeit	INSOL IN WATERSOL IN ALC, ETHER
Flammpunkt	181 °F (USCG, 1999)181°F (CC)
Siedepunkt	421 °F at 760 mmHg (USCG, 1999)216 °C @760 [mm Hg]217.55°C
Decomposition	When heated to decomposition it emits acrid fumes smoke and irritating fumes.
Schmelzpunkt	-66.5 °C-25.43°C (estimate)
Dampfdruck	1.55 mmHg (USCG, 1999)69.9 [mmHg]61.0-69.9 mmHg @ 20 °C
Physical Description	Triethylbenzene is a colorless liquid with a weak chemical odor. Less dense than water and insoluble in water. Hence floats on water. (USCG, 1999)[CAMEO]
Other Experimental Properties	BP: 217.5 °C @ 755 mm HgDensity: 0.8738 @ 20 °C/4 °CIndex of refraction: 1.5024 @ 20 °C/D /1,2,4-Triethylbenzene/Max absorption (isooctane): 217.5 nm (log e= 3.94), 258 nm (log e= 2.18), 264 nm (log e= 2.31)Max absorption (isooctane): 271 nm (log e= 2.23) /1,3,5-Triethylbenzene/MP: -66.5 °CBP: 216 °C @ 760 mm HgDensity: 0.8631 @ 20 °C/4 °CIndex of refraction 1.4969 @ 20 °C/D /1,3,5-Triethylbenzene/
Dampfdichte	5.6
Brechungsindex	1.4969 (estimate)
Farbe	Clear, colorless liquid
Geruch	Weak aromatic.
EPA chemische Informationen	Triethylbenzene (25340-18-5)

Sicherheit & Vorschriften

Regulatorische Informationen	Chemical: Benzene, triethyl-Benzene, triethyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
DOT-Kennzeichnung	Combustible Liquid
Brandgefahren	Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
Brandpotenzial	Flammable when exposed to heat or flame.
Gesundheitsgefahren	Eye irritation by vapors or liquid. Central nervous system depression. Prolonged skin contact with liquid can cause dermatitis. (USCG, 1999)
Gefahrenübersicht	An eye irritantMay cause CNS depression[CAMEO]
Reaktive Gruppe	Hydrocarbons, Aromatic
Reactivity Profile	Vigorous reactions, sometimes amounting to explosions, can result from contact with strong oxidizing agents. Can react exothermically with bases and with diazo compounds.
DOT Hazard Classification	TriethylbenzeneMarine pollutant
Air and Water Reactions	Insoluble in water.
Hazardous Reactivities and Incompatibilities	Can react with oxidizers.
Brandbekämpfung	Fire Extinguishing Agents Not to Be Used: Water may be ineffective.
Erste Hilfe	EYES: flush with water for at least 15 min.call a doctor.
Brandbekämpfungsverfahren	To fight fire, use foam, CO2, dry chemical.
Freisetung ohne Brand	Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
Entsorgungsverfahren	SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.
Isolation and Evacuation	Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
Protective Action Criteria (PAC)	68 [mg/m3]750 [mg/m3]4500 [mg/m3]
Personal Protective Equipment (PPE)	Goggles or face shieldrubber gloves. (USCG, 1999)
Unerwünschte Wirkungen	Neurotoxin - Acute solvent syndrome
Human Toxicity Excerpts	Mildly toxic by ingestion.
TSCA-Inventar-Status	TSCA listed
UN-Transportnummer	3082
Toxizität	LDLo orl-rat: 5000 mg/kg AMIHAB 19,403,59
Gefahrenklasse	9
Verpackungsgruppe	III
Gefahrstoffdaten	25340-18-5(Hazardous Substances Data)

CAS No.

25340-18-5

Summenformel

C12H18

Durchschnittliche Molmasse

162,27 g/mol

Monoisotopische Masse

162,14085057 g/mol

SMILES

CCc1cccc(CC)c1CC

InChIKey

VIDOPANCAUPXNH-UHFFFAOYSA-N

PubChem CID

39149

EC No.

246-875-4

DTXSID

DTXSID30195034

Lokaler Name

Triethylbenzol

Chemische & physikalische Eigenschaften

XLogP

4,5

Polarare Oberfläche (TPSA)

H-Brücken-Donoren

H-Brücken-Akzeptoren

Frei drehbare Bindungen

Schwere Atome

Formalladung

Komplexität

105

Solvents

Solvents -> Aromatic Solvents

Dichte

0.861 at 68 °F (USCG, 1999) - Less dense than waterwill floatVapor density (Air= 1): 5.6 /1,3,5-Triethylbenzene/0.8631 @ 20°C0.8687 (estimate)

Löslichkeit

INSOL IN WATERSOL IN ALC, ETHER

Flammpunkt

181 °F (USCG, 1999)181°F (CC)

Siedepunkt

421 °F at 760 mmHg (USCG, 1999)216 °C @760 [mm Hg]217.55°C

Decomposition

When heated to decomposition it emits acrid fumes smoke and irritating fumes.

Schmelzpunkt

-66.5 °C-25.43°C (estimate)

Dampfdruck

1.55 mmHg (USCG, 1999)69.9 [mmHg]61.0-69.9 mmHg @ 20 °C

Physical Description

Triethylbenzene is a colorless liquid with a weak chemical odor. Less dense than water and insoluble in water. Hence floats on water. (USCG, 1999)[CAMEO]

Other Experimental Properties

BP: 217.5 °C @ 755 mm HgDensity: 0.8738 @ 20 °C/4 °CIndex of refraction: 1.5024 @ 20 °C/D /1,2,4-Triethylbenzene/Max absorption (isooctane): 217.5 nm (log e= 3.94), 258 nm (log e= 2.18), 264 nm (log e= 2.31)Max absorption (isooctane): 271 nm (log e= 2.23) /1,3,5-Triethylbenzene/MP: -66.5 °CBP: 216 °C @ 760 mm HgDensity: 0.8631 @ 20 °C/4 °CIndex of refraction 1.4969 @ 20 °C/D /1,3,5-Triethylbenzene/

Dampfdichte

5.6

Brechungsindex

1.4969 (estimate)

Farbe

Clear, colorless liquid

Geruch

Weak aromatic.

EPA chemische Informationen

Triethylbenzene (25340-18-5)

Sicherheit & Vorschriften

Regulatorische Informationen

Chemical: Benzene, triethyl-Benzene, triethyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

DOT-Kennzeichnung

Combustible Liquid

Brandgefahren

Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:

Brandpotenzial

Flammable when exposed to heat or flame.

Gesundheitsgefahren

Eye irritation by vapors or liquid. Central nervous system depression. Prolonged skin contact with liquid can cause dermatitis. (USCG, 1999)

Gefahrenübersicht

An eye irritantMay cause CNS depression[CAMEO]

Reaktive Gruppe

Hydrocarbons, Aromatic

Reactivity Profile

Vigorous reactions, sometimes amounting to explosions, can result from contact with strong oxidizing agents. Can react exothermically with bases and with diazo compounds.

DOT Hazard Classification

TriethylbenzeneMarine pollutant

Air and Water Reactions

Insoluble in water.

Hazardous Reactivities and Incompatibilities

Can react with oxidizers.

Brandbekämpfung

Fire Extinguishing Agents Not to Be Used: Water may be ineffective.

Erste Hilfe

EYES: flush with water for at least 15 min.call a doctor.

Brandbekämpfungsverfahren

To fight fire, use foam, CO2, dry chemical.

Freisetung ohne Brand

Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:

Entsorgungsverfahren

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Isolation and Evacuation

Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:

Protective Action Criteria (PAC)

68 [mg/m3]750 [mg/m3]4500 [mg/m3]

Personal Protective Equipment (PPE)

Goggles or face shieldrubber gloves. (USCG, 1999)

Unerwünschte Wirkungen

Neurotoxin - Acute solvent syndrome

Human Toxicity Excerpts

Mildly toxic by ingestion.

TSCA-Inventar-Status

TSCA listed

UN-Transportnummer

3082

Toxizität

LDLo orl-rat: 5000 mg/kg AMIHAB 19,403,59

Gefahrenklasse

Verpackungsgruppe

III

Gefahrstoffdaten

25340-18-5(Hazardous Substances Data)