Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

330817

Sigma-Aldrich

4′-Heptyl-4-biphenylcarbonitrile

98%

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
CH3(CH2)6C6H4C6H4CN
CAS Number:
41122-71-8
Molecular Weight:
277.40
EC Number:
255-229-0
MDL number:
MFCD00074915
UNSPSC Code:
12352103
PubChem Substance ID:
24859917
NACRES:
NA.23

Assay

98%

form

liquid crystal

SMILES string

CCCCCCCc1ccc(cc1)-c2ccc(cc2)C#N

InChI

1S/C20H23N/c1-2-3-4-5-6-7-17-8-12-19(13-9-17)20-14-10-18(16-21)11-15-20/h8-15H,2-7H2,1H3

InChI key

ZGOWXOZNUNZPAV-UHFFFAOYSA-N

Related Categories

General description

4′-Heptyl-4-biphenylcarbonitrile (7CB) belongs to the family of thermotropic liquid crystals from the CB family. Crystal transition temperature of 7CB is 15oC and it melts at 36oC. 1

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H413

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 4

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCP5754
MKBZ8626V
MKBW6802V
MKBR0630V
MKBD8980V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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