482005

Poly(dimethylsiloxane), hydroxy terminated

average M_n ~110,000, viscosity ~50,000 cSt 

• Synonym(s): PDMS
• CAS Number: 70131-67-8
• MDL number: MFCD01325010
• UNSPSC Code: 12162002
• PubChem Substance ID: 24871805
• NACRES: NA.23

Properties

• mol wt: average M_n ~110,000
• Quality Level: 100
• refractive index: n20/D 1.406
• viscosity: ~50,000 cSt
• density: 0.98 g/mL at 25 °C
• SMILES string: C[Si](C)(O)O
• InChI: 1S/C2H8O2Si/c1-5(2,3)4/h3-4H,1-2H3
• InChI key: XCLIHDJZGPCUBT-UHFFFAOYSA-N

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves