Dibenzyl (HCID 7647)

Names & identifiers

Preferred name: Dibenzyl
IUPAC: 2-phenylethylbenzene
English name: 1,2-Diphenylethane
Molecular formula: C14H14
Molecular weight: 182.26096

Names & synonyms

1,2-DiphenylethaneBIBENZYL103-29-7Dibenzyl1,2-DihydrostilbeneDibenzilsym-Diphenylethane2-phenylethylbenzeneBenzene, 1,1'-(1,2-ethanediyl)bis-DTXSID8041668NSC-30686007C07V77Z

Show more names

DTXCID6021668CHEBI:340471,1'-(1,2-ethanediyl)bis(benzene)RefChem:119638203-096-4(2-Phenylethyl)benzenes-DiphenylethaneDihydrostilbene

Database identifiers

CAS: 103-29-7
PubChem CID: 7647
DTXSID: DTXSID8041668
ChEMBL: CHEMBL440895
ChEBI: CHEBI:34047
UNII: 007C07V77Z
EC Number: 203-096-4
Nikkaji: J5.013J

Properties

Computed structural properties

XLogP: 4.8
Topological polar surface area: 0 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 0
Rotatable bonds: 3
Heavy atoms: 14
Formal charge: 0
Complexity: 120

Experimental & physicochemical properties

Density1.00 @25 °C

Boiling Point284 °C @760 [mm Hg]

Melting Point52 °C

Physical Description · 2 items

Liquid

Solid; [Merck Index] White crystals, insoluble in water; [MSDSonline]

Kovats Retention Index · 3 items

1496.7；1509.3；1539；1494；1516；1489；1511.4；1487

1508.8；1519.2；1524.3；1508.8；1519.2；1524.3；1528；1546.3；1560；1541；1563；1525；1526.7；258.9；260.1；260.1；260.4；260.13；260.49

2070；2069；2072；2061；2061

Physicochemical properties

Melting point: 52.5 °C · 52.5 °C
Boiling point: 284 °C · 284°C
Density: 1 · 1
vapor density: 6.29 · 6.29
Flash point: 264 °F · 264°F
Toxicity: Poison by intravenous route.Moderately toxic by intraperitoneal route. Combustible.To fight fire, use water, spray, mist, alcohol foam, drychemical. When heated to decomposition it emits acridsmoke and fumes

Safety & regulation

GHS classification

GHS Classification · 4 items

This chemical does not meet GHS hazard criteria for 46.2% (91 of 197) of reports.

H413 (53.8%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]

P273, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 197 reports by companies from 2 notifications to the ECHA C&L Inventory.；Reported as not meeting GHS hazard criteria per 91 of 197 reports by companies.；There is 1 notification provided by 106 of 197 reports by companies with hazard statement code(s).；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.

Hazard information

Regulatory Information · 4 items

Chemical: Benzene, 1,1'-(1,2-ethanediyl)bis-

Benzene, 1,1'-(1,2-ethanediyl)bis- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Benzene, 1,1'-(1,2-ethanediyl)bis- 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)

Status: Active Update: 19-01-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/21976

Benzene, 1,1'-(1,2-ethanediyl)bis-: Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryA skin, eye, and respiratory tract irritant; [MSDSonline]

Hazard Classes and CategoriesAquatic Chronic 4 (53.8%)

Safety & protection

Protective Action Criteria (PAC) · 3 items

14 [mg/m3]

150 [mg/m3]

890 [mg/m3]

Regulatory information

Regulatory Information · 4 items

Chemical: Benzene, 1,1'-(1,2-ethanediyl)bis-

Benzene, 1,1'-(1,2-ethanediyl)bis- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Benzene, 1,1'-(1,2-ethanediyl)bis- 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)

Status: Active Update: 19-01-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/21976

Benzene, 1,1'-(1,2-ethanediyl)bis-: Does not have an individual approval but may be used under an appropriate group standard

Safety data

Toxicity: Poison by intravenous route.Moderately toxic by intraperitoneal route. Combustible.To fight fire, use water, spray, mist, alcohol foam, drychemical. When heated to decomposition it emits acridsmoke and fumes

Chemistry & industry

Uses & manufacturing

UsesUsed as an intermediate in the biosynthesis of dihydrophenanthrenes from phenylalanine; [ChemIDplus]

U.S. Production2023: 10,000,000 - <25,000,000 lb；2022: 10,000,000 - <25,000,000 lb；2021: 10,000,000 - <25,000,000 lb；2020: 10,000,000 - <25,000,000 lb

Consumer UsesFlame retardant；Insulators

Industry UsesInsulators；Intermediate；Flame retardant

General Manufacturing Information · 2 items

Electrical Equipment, Appliance, and Component Manufacturing；All Other Basic Organic Chemical Manufacturing；All Other Chemical Product and Preparation Manufacturing

Benzene, 1,1'-(1,2-ethanediyl)bis-: ACTIVE