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Merck
CN

250759

2,4-Difluorophenyl isocyanate

99%

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About This Item

Linear Formula:
F2C6H3NCO
CAS Number:
59025-55-7
Molecular Weight:
155.10
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24855072
MDL number:
MFCD00001997
Beilstein/REAXYS Number:
2831577
Assay:
99%
Form:
liquid

Key Documents

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InChI

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

SMILES string

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

InChI key

HNENEALJPWJWJY-UHFFFAOYSA-N

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.)

functional group

fluoro, isocyanate

Quality Level

100

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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

signalword

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

3 - Flammable liquids

wgk

WGK 3

flash_point_f

131.0 °F - closed cup

flash_point_c

55 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBC7837
09803CJ
02304KE
04223HE
07018EE

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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

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