345334

Poly(tetrahydrofuran)

average M_n ~2,900

• Synonym(e): α-Hydro-ω-hydroxypoly-(oxy-1,4-butandiyl), Poly(1,4-butandiol), PolyTHF
• Lineare Formel: H(OCH₂CH₂CH₂CH₂)_nOH
• CAS-Nummer: 25190-06-1
• MDL-Nummer: MFCD00148879
• UNSPSC-Code: 12162002
• PubChem Substanz-ID: 24861311
• NACRES: NA.23

Eigenschaften

• Dampfdruck: <0.01 mmHg ( 25 °C); <1 mmHg ( 20 °C)
• Form: solid
• Mol-Gew.: average M_n ~2,900
• mp (Schmelzpunkt): 30-43 °C
• Dichte: 0.97 g/mL at 25 °C
• SMILES String: OCCCCO
• InChI: 1S/C8H18O2/c1-3-5-6-10-8(4-2)7-9/h8-9H,3-7H2,1-2H3/t8-/m0/s1
• InChIKey: BJZYYSAMLOBSDY-QMMMGPOBSA-N

Beschreibung

Allgemeine Beschreibung

Poly(tetrahydrofuran) (PTHF) is a polyether that can be prepared by the cationic polymerization of tetrahydrofuran in the presence of a variety of initiator systems.

Anwendung

PTHF can be used in the preparation of soft segment polyurethane for a variety of applications. It can also be used in the surface modification of cellulose fibers which can further be used as reinforcing polymerix materials.

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H302,H336
• P-Sätze: P261 - P264 - P270 - P271 - P301 + P312 - P304 + P340 + P312
• Gefahreneinstufungen: Acute Tox. 4 Oral - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): >325.4 °F - Tag open cup
• Flammpunkt (°C): > 163 °C - Tag open cup
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves