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478415

Sigma-Aldrich

3,4-Difluorophenyl isocyanate

97%

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About This Item

Linear Formula:
F2C6H3NCO
CAS Number:
Molecular Weight:
155.10
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:

Assay

97%

refractive index

n20/D 1.498 (lit.)

bp

164 °C (lit.)

density

1.326 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

Fc1ccc(cc1F)N=C=O

InChI

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

InChI key

YBWJVFMNWMLZEN-UHFFFAOYSA-N

General description

3,4-Difluorophenyl isocyanate, also known as 1,2-difluoro-4-isocyanatobenzene, is an organic building block containing an isocyanate group.

Application

3,4-Difluorophenyl isocyanate may be used in the preparation of (±)-trans-4-[4-cyano-3-(trifluoromethyl)phenyl]-N-(3,4-difluorophenyl)-2,5-dimethylpiperazine-1-carboxamide.

Pictograms

Health hazardExclamation mark

Signal Word

Danger

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

145.4 °F - closed cup

Flash Point(C)

63 °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’.

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N-Arylpiperazine-1-carboxamide Derivatives: a Novel Series of Orally
Active Nonsteroidal Androgen Receptor Antagonists.
Kinoyama I, et al.
Chemical & Pharmaceutical Bulletin, 53(4), 402-409 (2005)

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