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250759

Sigma-Aldrich

2,4-Difluorophenyl isocyanate

99%

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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

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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

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

WGK

WGK 3

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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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.
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