Phenylacetylene

ChemicalBook > CAS DataBase List > Phenylacetylene

Synthesis

Product Name: Phenylacetylene
CAS No.: 536-74-3
Chemical Name: Phenylacetylene
Synonyms: Ethynylbenzene;Phenylethyne;phenylacetylide;1-Phenylethyne;Benzene, ethynyl-;Phenylacetylene, pure, 98%;ethyne,phenyl-;Ethynylbenaene;ethynyl-benzen;Ethinylbenzene
CBNumber: CB9853753
Molecular Formula: C8H6
Formula Weight: 102.13
MOL File: 536-74-3.mol

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Phenylacetylene Property

Melting point:: -44.8 °C
Boiling point:: 142-144 °C (lit.)
Density: 0.93 g/mL at 25 °C (lit.)
vapor pressure: 17.6 mm Hg ( 37.7 °C)
refractive index: n20/D 1.549(lit.)
Flash point:: 88 °F
storage temp.: Store at +2°C to +8°C.
solubility: H2O: insoluble
pka: 19(at 25℃)
form: Liquid
color: Clear colorless to yellow
Specific Gravity: 0.930
Water Solubility: INSOLUBLE
Sensitive: Light Sensitive
Merck: 14,3861
BRN: 605461
Dielectric constant: 3.0（20℃）
Stability:: Stable. Flammable. Incompatible with strong oxidizing agents, acids, halogens.
CAS DataBase Reference: 536-74-3(CAS DataBase Reference)
NIST Chemistry Reference: Phenylacetylene(536-74-3)
EPA Substance Registry System: Phenylacetylene (536-74-3)

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Safety

Hazard Codes: Xn
Risk Statements: 10-36/37/38-40-65-36/37
Safety Statements: 16-26-36/37/39-45-62-36/37
RIDADR: UN 3295 3/PG 3
WGK Germany: 1
RTECS: DA0780000
F: 8-19
TSCA: Y
HS Code: 2902 90 00
HazardClass: 3
PackingGroup: III

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H226Flammable liquid and vapour

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

H350May cause cancer

Precautionary statements

P202Do not handle until all safety precautions have been read and understood.

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 8.07044
Product name: Phenylacetylene
Purity: for synthesis
Packaging: 25ML
Price: $45.6
Updated: 2024/03/01

Sigma-Aldrich

Product number: 8.07044
Product name: Phenylacetylene
Purity: for synthesis
Packaging: 100ML
Price: $158
Updated: 2024/03/01

Sigma-Aldrich

Product number: 117706
Product name: Phenylacetylene
Purity: 98%
Packaging: 25ml
Price: $52.8
Updated: 2024/03/01

Sigma-Aldrich

Product number: 117706
Product name: Phenylacetylene
Purity: 98%
Packaging: 100ml
Price: $162
Updated: 2024/03/01

TCI Chemical

Product number: E0196
Product name: Ethynylbenzene
Purity: >98.0%(GC)
Packaging: 25mL
Price: $50
Updated: 2024/03/01

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Phenylacetylene Chemical Properties,Usage,Production

Synthesis

It is suitable for the synthesis of Terminal Alkynes by the reaction of substituted benzaldehyde with alkali. 2-bromovinyl benzene can be obtained by reacting 2,3-dibromo-3-phenylpropionic acid with base and triethylamine in DMF, and then it can be directly reacted with potassium hydroxide to obtain the desired product Phenylacetylene.

Description

Phenylacetylene is an alkyne hydrocarbon containing a phenyl group. It exists as a colorless, viscous liquid. In research, it is sometimes used as an analog for acetylene; being a liquid, it is easier to handle than acetylene gas.
Phenylacetylene undergoes polymerization catalyzed by Rh and Pt complexes to form polyphenylacetylene.

Chemical Properties

colourless liquid

Uses

Ethynylbenzene, an aromatic hydrocarbon, is important in the petrochemical industry as an intermediate in the production of styrene, which in turn is used for making polystyrene, a common plastic mate rial.

Uses

Phenylacetylene is involved in the preparation of styrene by reduction using Lindlar catalyst. It is used to study the mechanism of the palladium-catalyzed phenyl acetylene oxidative carbonylation reaction. It is also used in the polymerization process to prepare polyphenylacetylene namely 1,2,4-triphenylbenzene and 1,3,5-triphenylbenzene.

Uses

Terminal acetylene used in the conversion of nitrones to alkynyl hydroxyl amines in the presence of trimethylaluminum..

Application

Terminal acetylene used in the conversion of nitrones to alkynyl hydroxyl amines in the presence of trimethylaluminum.
Phenylacetylene was used in a study to investigate the mechanism of product formation during the palladium-catalysed phenylacetylene oxidative carbonylation reaction.

Definition

ChEBI: Ethynylbenzene is a member of benzenes.

Synthesis Reference(s)

Journal of the American Chemical Society, 89, p. 4487, 1967 DOI: 10.1021/ja00993a043

General Description

Phenylacetylene undergoes polymerization catalyzed by Rh and Pt complexes to form polyphenylacetylene.

Flammability and Explosibility

Flammable

Purification Methods

Distil phenylacetylene through a spinning band column. It should be filtered through a short column of alumina before use [Collman et al. J Am Chem Soc 108 2988 1986; for pK see Brandsma Preparative Acetylenic Chemistry, 1st Edn Elsevier 1971, p. 15, ISBN 0444409475]. [Beilstein 5 IV 1525.]

Precautions

Store in cool place. Moisture sensitive. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with acids, halogens, alkali metals and oxidizing agents.

Phenylacetylene Preparation Products And Raw materials

Raw materials

beta-Bromostyrene

Preparation Products

5-(2-PHENYLETH-1-YNYL)THIOPHENE-2-CARBALDEHYDE polyphenylene (III) PPV 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE Diphenylacetylene E-PHENYLETHENYLBORONIC ACID 1,2-NAPHTHALIC ANHYDRIDE 4-Phenylpiperidine

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View Lastest Price from Phenylacetylene manufacturers

Chemwill Asia Co.,Ltd.

Product: Phenylacetylene 536-74-3 Ethynylbenzene 536-74-3
Price: US $9.95/KG
Min. Order: 1KG
Purity: 99.50% IN STOCK
Supply Ability: 500 MT per month
Release date: 2019-09-03

Chemwill Asia Co.,Ltd.

Product: 536-74-3 Phenylacetylene 536-74-3
Price: US $15.50/KG
Min. Order: 1KG
Purity: 99.50% IN STOCK
Supply Ability: 500 MT per month
Release date: 2019-09-03

Chemwill Asia Co.,Ltd.

Product: Phenylacetylene 536-74-3
Price: US $6.55/KG
Min. Order: 1KG
Purity: 99.50% IN STOCK
Supply Ability: 680 MT per month
Release date: 2019-09-03

536-74-3, PhenylacetyleneRelated Search:

Acetylene Acetophenone Phenylacetaldehyde 4-Hydrazinobenzenesulfonic acid Phenylhydrazine hydrochloride Phenylmalonic acid Phenylacetyl chloride Phenylhydrazine 4-Ethynyltoluene Diphenylacetylene 3-Ethynylaniline 1-ETHYL-2-PHENYLACETYLENE 9,10-Bis(phenylethynyl)anthracene Phenylacetylene monocarboxylic acid 4-(Trans-4-propylcyclohexyl) phenylacetylene 2-(TRIFLUOROMETHYL)PHENYLACETYLENE 1-METHYL-2-PHENYLACETYLENE 3-FLUORO-4-(TRIFLUOROMETHOXY)PHENYLACETYLENE

Ethynylbenzene

Phenylacetylene, 98%, pure

1-Ethynylbenzene

1-Phenylacetylene

Ethynylbenzene, Phenylethyne

Phenylacetylene, pure, 98% 100GR

Phenylacetylene, pure, 98% 25GR

PHENYLACETYLENE FOR SYNTHESIS

Phenylacetylene≥ 98% (GC)

Ethyne, phenyl-

ethyne,phenyl-

Ethynylbenaene

ethynyl-benzen

PHENYLACETYLENE, 98+%PHENYLACETYLENE, 98+%PHENYLACETYLENE, 98+%PHENYLACETYLENE, 98+%

536-74-3 Phenylacetylene

Phenylacetylene 536-74-3 Ethynylbenzene

Phenylacetylene, pure, 98%

acetylenylbenzene

1-Phenylethyne

Acetylene, phenyl-

acetylene,phenyl-

Benzene, ethynyl-

Benzene,ethynyl-

Ethinylbenzene

Phenylacetylene, 98+%

acetylene benzene

Benzene, ethynyl- (8CI, 9CI)

ETHYNYLBENZENE ( PHENYLACETYLENE )

phenyl-acetylen

phenylacetylide

Phenylethyne

PHENYLACETYLENE

Phenylacetylene Acetylene benzene

AKOS BBS-00004407

Ethynylbenzene&gt

Phenylacetylene with good quality

536-74-3

436-74-3

536743

HCCC6H5

C6H5CCH

Alkynes

Building Blocks

Acetylenic Hydrocarbons having Benzene Ring

Acetylenes

Terminal

Organic Building Blocks

Acetylenic Hydrocarbons having Benzene Ring

Aromatic Ketones (substituted)

Miscellaneous Compounds

Acetylenes

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