Skip to Content
Merck
CN

Key Documents

View All Documentation

406228

3-(Trifluoromethyl)pyrazole

99%

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C4H3F3N2
CAS Number:
20154-03-4
Molecular Weight:
136.08
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24865363
MDL number:
MFCD00115018
Beilstein/REAXYS Number:
1564179
Assay:
99%
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

assay

99%

bp

70 °C/2 mmHg (lit.)

mp

45-47 °C (lit.)

SMILES string

FC(F)(F)c1cc[nH]n1

InChI

1S/C4H3F3N2/c5-4(6,7)3-1-2-8-9-3/h1-2H,(H,8,9)

InChI key

PYXNITNKYBLBMW-UHFFFAOYSA-N

General description

3-(Trifluoromethyl)pyrazoles is a heterocyclic building block. It undergoes alkylation with alkyl iodides in DMF to afford the N-alkyl pyrazoles. It participates in the synthesis of disubstituted pyrimidines.

Application

3-(Trifluoromethyl)pyrazole may be used in copper-catalyzed pyrazole N-arylation. It may be used in the synthesis of sodium hydridotris(1H-3-trifluoromethylpyrazol-1-yl)borate by heating with sodium borohydride.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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