MilliporeSigma
All Photos(2)

Documents

D204803

Sigma-Aldrich

Diphenylacetylene

98%

Sign Into View Organizational & Contract Pricing

Synonym(s):
Tolan
Linear Formula:
C6H5C≡CC6H5
CAS Number:
Molecular Weight:
178.23
Beilstein/REAXYS Number:
606478
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

form

crystals

bp

170 °C/19 mmHg (lit.)

mp

59-61 °C (lit.)

density

0.99 g/mL at 25 °C (lit.)

SMILES string

c1ccc(cc1)C#Cc2ccccc2

InChI

1S/C14H10/c1-3-7-13(8-4-1)11-12-14-9-5-2-6-10-14/h1-10H

InChI key

JRXXLCKWQFKACW-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
533785B89205301485
Diphenylacetylene 98%

D204803

Diphenylacetylene

Diphenylacetylene-d10 98 atom % D, 99% (CP)

533785

Diphenylacetylene-d10

tert-Butylamine 98%

B89205

tert-Butylamine

1-Chloroethyl chloroformate 98%

301485

1-Chloroethyl chloroformate

mp

59-61 °C (lit.)

mp

58-60 °C (lit.)

mp

−67 °C (lit.)

mp

-

density

0.99 g/mL at 25 °C (lit.)

density

1.045 g/mL at 25 °C (lit.)

density

0.696 g/mL at 25 °C (lit.)

density

1.325 g/mL at 25 °C (lit.)

bp

170 °C/19 mmHg (lit.)

bp

170 °C/19 mmHg (lit.)

bp

46 °C (lit.)

bp

118-119 °C (lit.)

form

crystals

form

-

form

liquid

form

liquid

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 4

1 of 4

Pyridinium tribromide technical grade, 90%

Sigma-Aldrich

133248

Pyridinium tribromide

cis-Stilbene 96%

Sigma-Aldrich

S4808

cis-Stilbene

TUG-424 ≥98% (HPLC)

Sigma-Aldrich

T6829

TUG-424

Anion-dependent switching: dynamically controlling the conformation of hydrogen-bonded diphenylacetylenes.
Ian M Jones et al.
Angewandte Chemie (International ed. in English), 50(20), 4597-4600 (2011-04-16)
Dai Nishimura et al.
The Journal of organic chemistry, 73(7), 2496-2502 (2008-03-14)
Novel [2]rotaxanes bearing alpha-cyclodextrin (alpha-CD) derivatives and a diphenylacetylene axis molecule with trinitrobenzene as a bulky stopper have been prepared to investigate the relative rotary movement of a ring relative to an axis molecule and that of an axis molecule
Wenjing Hong et al.
Journal of the American Chemical Society, 134(4), 2292-2304 (2011-12-20)
Employing a scanning tunneling microscopy based beak junction technique and mechanically controlled break junction experiments, we investigated tolane (diphenylacetylene)-type single molecular junctions having four different anchoring groups (SH, pyridyl (PY), NH(2), and CN) at a solid/liquid interface. The combination of
Hongmei Liu et al.
The Journal of chemical physics, 129(22), 224704-224704 (2008-12-17)
A series of linear conjugated molecular wires (diphenylacetylene connected by double or triple bonds) asymmetrically substituted by various functional groups was investigated by using density functional theory combined with nonequilibrium Green's function method. The transportation behaviors of these models did
Noni K Gaylord-Harden et al.
The American journal of orthopsychiatry, 87(4), 463-473 (2016-12-16)
The current study examined pathways in a model of desensitization, the Pathologic Adaptation Model, in adolescent males of color. Specifically, the current study examined depressive symptoms and deviant beliefs as mediators of the association between community violence exposure and subsequent

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service