Skip to Content
Merck
CN

Key Documents

View All Documentation

469068

1-Bromobenzocyclobutene

95%

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C8H7Br
CAS Number:
21120-91-2
Molecular Weight:
183.05
NACRES:
NA.22
PubChem Substance ID:
24870555
UNSPSC Code:
12352100
MDL number:
MFCD17976891
Assay:
95%
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Segment

assay

95%

refractive index

n20/D 1.59 (lit.)

bp

90 °C/10.5 mmHg (lit.)

density

1.45 g/mL at 25 °C (lit.)

functional group

bromo

SMILES string

BrC1Cc2ccccc12

InChI

1S/C8H7Br/c9-8-5-6-3-1-2-4-7(6)8/h1-4,8H,5H2

InChI key

AYNXHFRDABNHRX-UHFFFAOYSA-N

General description

1-Bromobenzocyclobutene is a useful synthon. It has important applications in organometallic methodology. Reaction between cycloheptatriene, bromoform, potassium carbonate and 18-crown-6 at 140°C yields 1-bromobenzocyclobutene.

Application

1-Bromobenzocyclobutene may be used in the synthesis of following compounds:
  • five-membered zirconacycles
  • benzocyclobutenol and benzocyclobutenone
  • 2,3-dimethoxyprotoberberinium bromide, via reaction with 3,4-dihydro-6,7-dimethoxyisoquinoline

WGK

WGK 3

Storage Class

10 - Combustible liquids

Flash Point (°F)

204.8 °F - closed cup

Flash Point (°C)

96.00 °C - closed cup

PPE (personal protective equipment)

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