Skip to Content
Merck
CN

Key Documents

View All Documentation

206474

1-Chloro-4-ethynylbenzene

98%

Synonym(s):

(4-Chlorophenyl)acetylene

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
ClC6H4C≡CH
CAS Number:
873-73-4
Molecular Weight:
136.58
NACRES:
NA.22
PubChem Substance ID:
24852401
UNSPSC Code:
12352100
MDL number:
MFCD00191917
Assay:
98%
Form:
solid
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Segment

assay

98%

form

solid

mp

45-47 °C (lit.)

functional group

chloro

SMILES string

Clc1ccc(cc1)C#C

InChI

1S/C8H5Cl/c1-2-7-3-5-8(9)6-4-7/h1,3-6H

InChI key

LFZJRTMTKGYJRS-UHFFFAOYSA-N

General description

1-Chloro-4-ethynylbenzene undergoes standard Sonogashira reaction with iodophenyl groups on the film surfaces via the formation of C−C bonds.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point (°F)

50.0 °F - closed cup

Flash Point (°C)

10 °C - closed cup

PPE (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

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