31175-20-9

Name NAFION(R) DISPERSION SOLUTION DE1021 CS TYPE
CAS 31175-20-9
Molecular Formula C9HF17O5S
MDL Number MFCD00132832
Molecular Weight 544.13
MOL File 31175-20-9.mol

Chemical Properties

Melting point  >350 °C(lit.)
Boiling point  93 °C
density  2.1 g/mL at 25 °C(lit.)
refractive index  n20/D 1.38
Fp  83 °F
storage temp.  2-8°C, sealed storage, away from moisture
solubility  H2O: insoluble
form  pellets
color  White to pale brown
Specific Gravity 1.05
Water Solubility  Insoluble in water.
Sensitive  Hygroscopic
Exposure limits ACGIH: TWA 5 mg/m3; STEL 10 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3
InChI InChI=1S/C7HF13O5S.C2F4/c8-1(9)2(10)24-5(15,16)3(11,4(12,13)14)25-6(17,18)7(19,20)26(21,22)23;3-1(4)2(5)6/h(H,21,22,23);
InChIKey FOYUGSIADQEOEK-UHFFFAOYSA-N
SMILES C(F)(F)=C(F)F.C(F)(C(F)(F)F)(C(F)(F)OC(F)=C(F)F)OC(F)(F)C(F)(F)S(O)(=O)=O
LogP 9.324 (est)
EPA Substance Registry System Ethanesulfonic acid, 2-[1-[difluoro[(trifluoroethenyl)oxy]methyl]-1,2,2,2-tetrafluoroethoxy]-1,1,2,2-tetrafluoro-, polymer with tetrafluoroethene (31175-20-9)

Safety Data

Symbol(GHS)  Flame (GHS02)Corrosion (GHS05)Exclamation Mark (GHS07)Health Hazard (GHS08)
GHS02,GHS05,GHS07,GHS08
Signal word  Danger
Hazard statements  H225-H318-H336-H371
Precautionary statements  P210-P233-P240-P280-P305+P351+P338-P308+P311
Hazard Codes  Xn,F,Xi
Risk Statements 
Safety Statements 
RIDADR  UN 1993 3/PG 2
WGK Germany  3
F  10
TSCA  Yes
HazardClass  3
HS Code  39140000
Storage Class 10 - Combustible liquids

Hazard Information

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