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378089

Sigma-Aldrich

Poly(tetrafluoroethylene oxide-co-difluoromethylene oxide) α,ω-diisocyanate

average Mn ~3,000

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About This Item

Linear Formula:
CH3C6H3(NCO)NHCO2(CF2CF2O)x(CF2O)yCONHC6H3(NCO)CH3
MDL number:
MFCD00135557
UNSPSC Code:
12162002
PubChem Substance ID:
24863540

mol wt

average Mn ~3,000

refractive index

n20/D 1.352 (lit.)

viscosity

7000 cSt(20 °C)(lit.)

density

1.788 g/mL at 25 °C (lit.)

SMILES string

OC(O)(F)F.FC1OC1F.Cc2ccc(NC(O)=O)cc2N=C=O

General description

Ethylene to methylene ratio 1:1

Application

Reacts with alcohols and acids to form urethanes and amides, with lower coefficient of friction, wear and Tg.

Physical form

Aromatic diisocyanate.

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_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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