345334

Poly(tetrahydrofuran)

average M_n ~2,900

• 동의어(들): α-Hydro-ω-hydroxypoly(oxy-1,4-butanediyl), Poly(1,4-butanediol), polyTHF
• Linear Formula: H(OCH₂CH₂CH₂CH₂)_nOH
• CAS Number: 25190-06-1
• MDL number: MFCD00148879
• UNSPSC 코드: 12162002
• PubChem Substance ID: 24861311
• NACRES: NA.23

속성

• vapor pressure: <0.01 mmHg ( 25 °C); <1 mmHg ( 20 °C)
• Quality Level: 200
• 양식: solid
• 분자량: average M_n ~2,900
• mp: 30-43 °C
• density: 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
• InChI key: BJZYYSAMLOBSDY-QMMMGPOBSA-N

설명

일반 설명

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.

애플리케이션

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.

안전성 정보

• 픽토그램: GHS07
• 신호어: Warning
• 유해 및 위험 성명서: H302,H336
• 예방조치 성명서: P261 - P264 - P270 - P271 - P301 + P312 - P304 + P340 + P312
• Hazard Classifications: Acute Tox. 4 Oral - STOT SE 3
• 표적 기관: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point (°F): >325.4 °F - Tag open cup
• Flash Point (°C): > 163 °C - Tag open cup
• 개인 보호 장비: dust mask type N95 (US), Eyeshields, Gloves