Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

View All Documentation

250759

Sigma-Aldrich

2,4-Difluorophenyl isocyanate

99%

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

About This Item

Linear Formula:
F2C6H3NCO
CAS Number:
59025-55-7
Molecular Weight:
155.10
Beilstein:
2831577
MDL number:
MFCD00001997
UNSPSC Code:
12352100
PubChem Substance ID:
24855072
NACRES:
NA.22

Quality Level

100

Assay

99%

form

liquid

refractive index

n20/D 1.490 (lit.)

bp

42 °C/6 mmHg (lit.)

density

1.309 g/mL at 25 °C (lit.)

SMILES string

Fc1ccc(N=C=O)c(F)c1

InChI

1S/C7H3F2NO/c8-5-1-2-7(10-4-11)6(9)3-5/h1-3H

InChI key

HNENEALJPWJWJY-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

2,4-Difluorophenyl isocyanate has been used:
  • in the synthesis of N,N-disubstituted S,N′-diarylisothioureas
  • as blocking reagent, to modify the hydroxyl, amine and epoxide functional groups of cured MY720/DDS epoxy thin films

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 3 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

131.0 °F - closed cup

Flash Point(C)

55 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Chemical modification of cured MY720/DDS epoxy resins using fluorinated aromatic compounds to reduce moisture sensitivity.
Hu H-P, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 25(5), 1235-1248 (1987)
Alan R Katritzky et al.
Journal of combinatorial chemistry, 4(4), 285-289 (2002-07-09)
Reactions of resin-bound 1,1-disubstituted-2-arylisothioureas 4aa',ab'-ec' with aryl isocyanates, diversely substituted at the para and/or meta positions, and with o-fluoro- and 2,4-difluorophenyl isocyanate followed by appropriate cleavage led to the formation of N,N-disubstituted S,N'-diarylisothioureas 9[1-70] in good yields and high purities.
Mengling Tang et al.
Autophagy, 17(8), 1918-1933 (2020-08-12)
Burkholderia pseudomallei: which causes melioidosis with high mortality in humans, has become a global public health concern. Recently, infection-driven lipid droplet accumulation has been related to the progression of host-pathogen interactions, and its contribution to the pathogenesis of infectious disease

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