4-(TERT-BUTYL)PHENYLACETYLENE

CAS No.：772-38-3

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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4-(TERT-BUTYL)PHENYLACETYLENE Basic information

Uses

Product Name:	4-(TERT-BUTYL)PHENYLACETYLENE
Synonyms:	P-T-BUTYLPHENYLACETYLENE;TIMTEC-BB SBB008840;4-(TERT-BUTYL)PHENYLACETYLENE,90+%;4-(TERT-BUTYL)PHENYLACETYLENE;4-(tert-BUTYL)PHENYLACETYLENE 95%;1-(1,1-Dimethylethyl)-4-ethynylbenzene;Benzene, 1-(1,1-diMethylethyl)-4-ethynyl-;1-(tert-Butyl)-4-ethynylbenzene
CAS:	772-38-3
MF:	C12H14
MW:	158.24
EINECS:
Product Categories:	Building Blocks;Chemical Synthesis;Alkynes;Organic Building Blocks;Terminal;Organic Building Blocks
Mol File:	772-38-3.mol

4-(TERT-BUTYL)PHENYLACETYLENE Chemical Properties

Boiling point	70 °C2 mm Hg(lit.)
density	0.877 g/mL at 25 °C(lit.)
refractive index	1.528-1.53
Fp	180 °F
storage temp.	2-8°C
solubility	Chloroform (Slightly), Hexanes (Slightly)
form	liquid
color	Pale green to khaki-brown
Specific Gravity	0.889
Water Solubility	Difficult to mix with water.
CAS DataBase Reference	772-38-3(CAS DataBase Reference)

Safety Information

Hazard Codes	N,Xi
Risk Statements	50/53
Safety Statements	36/37-60-61
RIDADR	UN 3082 9/PG 3
WGK Germany	3
Hazard Note	Irritant
HazardClass	9
HS Code	29029090

MSDS Information

Provider	Language
SigmaAldrich	English
ACROS	English
ALFA	English

4-(TERT-BUTYL)PHENYLACETYLENE Usage And Synthesis

Uses	4-(tert-Butyl)phenylacetylene is a useful research chemical.
Chemical Properties	Clear pale yellowish-brown liquid
Uses	4-tert-Butylphenylacetylene is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff.
Uses	4-tert-Butylphenylacetylene can be used in the synthesis of the following: 1,6-bis(4-tert-butylphenyl)hexa-1,5-diyne-3,4-dione 4,4′,5,5′-tetra(4-tert-butylphenylethynyl)dibenzo-24-crown-8-ether via Sonogashira coupling reaction with 4,4′,5,5′-tetraiododibenzo-24-crown-8-ether 1-(4-tert-butylphenyl)-2-(4-tert-butyldimethylsiloxyphenyl)acetylene via palladium catalyzed coupling with 4-(tert-butyldimethylsiloxy)iodobenzene
General Description	4-tert-Butylphenylacetylene can be synthesized from 4-tert-butylstyrene.

4-(TERT-BUTYL)PHENYLACETYLENE Preparation Products And Raw materials

Preparation Products

4'-tert-Butylacetophenone-->4-TERT-BUTYLPHENYLACETIC ACID

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