4-Ethynyltoluene

4-Ethynyltoluene Basic information

Product Name:	4-Ethynyltoluene
Synonyms:	4-Ethynyltoluene, 1-Ethynyl-4-methylbenzene, p-Tolylacetylene;5-ETHYNYLTOLUENE;4'-METHYLPHENYL ACETYLENE;4-METHYLPHENYLACETYLENE;4-ETHYNYLTOLUENE;p-Tolylacetylene, 97% 1GR;1-Ethynyl-4-methylbenzene p-Tolylacetylene;P-ETHYNYLTOLUENE
CAS:	766-97-2
MF:	C9H8
MW:	116.16
EINECS:	616-371-2
Product Categories:	pharmacetical;Aromatic Compounds;Miscellaneous Compounds;Acetylenes;Acetylenic Hydrocarbons;Liquid crystal intermediates
Mol File:	766-97-2.mol

4-Ethynyltoluene Chemical Properties

Melting point	168-170
Boiling point	168-170 °C(lit.)
density	0.916 g/mL at 25 °C(lit.)
refractive index	n20/D 1.547(lit.)
Fp	120 °F
storage temp.	Sealed in dry,2-8°C
form	Liquid
color	Clear pale yellow
Specific Gravity	0.916
Water Solubility	Insoluble in water.
BRN	969653
InChIKey	KSZVOXHGCKKOLL-UHFFFAOYSA-N
CAS DataBase Reference	766-97-2(CAS DataBase Reference)
NIST Chemistry Reference	Benzene, 1-ethynyl-4-methyl-(766-97-2)

Safety Information

Hazard Codes	Xi,Xn
Risk Statements	10-36/37/38
Safety Statements	16-26-27-36/37/39
RIDADR	UN 3295 3/PG 3
WGK Germany	3
RTECS	XT2570000
Hazard Note	Irritant/Keep Cold
HazardClass	3
PackingGroup	III
HS Code	29029090

MSDS Information

Provider	Language
p-Tolyacetylene	English
SigmaAldrich	English
ALFA	English

4-Ethynyltoluene Usage And Synthesis

Chemical Properties	Clear pale yellow liquid
Uses	Intermediates of Liquid Crystals
Uses	4-Ethynyltoluene was used in the synthesis of bis(bicyclic) products by the cycloaddition of alkynes to the AlN2C2.
Definition	ChEBI: 4-Ethynyltoluene is a member of toluenes.

4-Ethynyltoluene Preparation Products And Raw materials

Raw materials	3-Butyn-2-ol, 2-methyl-4-(4-methylphenyl)--->Benzene, 1-(1,2-dibromoethyl)-4-methyl--->Benzene, 1-[(1Z)-2-bromoethenyl]-4-methyl--->Benzene, 1-(2,2-dibroMoethenyl)-4-Methyl--->(4-Methylphenylethynyl)triMethylsilane-->4'-Methylacetophenone-->(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER
Preparation Products	1-PHENYL-1-PROPYNE-->2-Bromo-4'-methylacetophenone-->DI-P-TOLYLACETYLENE-->2-AMINO-4-(P-TOLYL)THIAZOLE-->4,6-dimethoxy-1H-1,3,5-triazin-2-one-->METHYL 4-METHYLCINNAMATE-->10-METHYLPHENOTHIAZINE-->N-De(4-sulfonaMidophenyl)-N'-(4-sulfonaMidophenyl) Celecoxib

2-CHLORO-9,10-BIS(PHENYLETHYNYL)ANTHRACENE 2-ETHYNYLTOLUENE 1-(4-ETHYLPHENYL)-2-(4-METHYLPHENYL)ACETYLENE 5 12-BIS(PHENYLETHYNYL)NAPHTHACENE TEC& 1,8-Dichloro-9,10-bis(phenylethynyl) anthracene 1-BUTEN-3-YNE 4-Ethynyltoluene 4-ETHYNYL-BENZOIC ACID 1-Chloro-9,10-bis(phenylethynyl)anthracene 2-NITRO-4-METHYLSULFONYLTOLUENE 4-(2-PHENYLETH-1-YNYL)BENZALDEHYDE 1-Methyl-4-(methylsulfonyl)-benzene 9,10-Bis(phenylethynyl)anthracene 4-ETHYNYL-BIPHENYL 4-(2-PHENYLETH-1-YNYL)BENZONITRILE m- TOLYLACETYLENE (3-Ethynyltoluene) ,3-ETHYNYLTOLUENE,M-ETHYNYLTOLUENE 2-ETHYNYLTOLUENE 97 8-(p-Toluidino)-1-naphthalenesulfonic acid

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