Skip to Content
Merck
CN

Key Documents

View All Documentation

672890

3,4-Dichlorophenylacetylene

97%

Synonym(s):

1,2-Dichloro-4-ethynylbenzene, 3,4-Dichloro-1-ethynylbenzene

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C8H4Cl2
CAS Number:
556112-20-0
Molecular Weight:
171.02
NACRES:
NA.22
PubChem Substance ID:
329760533
UNSPSC Code:
12352100
MDL number:
MFCD07783046
Assay:
97%
Form:
solid
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Segment

assay

97%

form

solid

mp

38-42 °C

functional group

chloro

SMILES string

Clc1ccc(cc1Cl)C#C

InChI

1S/C8H4Cl2/c1-2-6-3-4-7(9)8(10)5-6/h1,3-5H

InChI key

MJHFEHXRVNTQIL-UHFFFAOYSA-N

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Classifications

Aquatic Chronic 4 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

11 - Combustible Solids

Flash Point (°F)

205.0 °F - closed cup

Flash Point (°C)

96.1 °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