8.07490

Polyethylene glycol

4000, for synthesis

• 동의어(들): Poly(ethylene glycol), Polyethylene glycol 4000, Polyglycol, Polyethylene oxide, Polyoxy ethylene, PEG 4000, PEG
• Linear Formula: H(OCH₂CH₂)_nOH
• CAS Number: 25322-68-3
• MDL number: MFCD00081839
• UNSPSC 코드: 13111021
• EC 인덱스 번호: 500-038-2
• NACRES: NA.22

속성

• vapor pressure: <0.01 hPa ( 20 °C)
• Quality Level: 200
• 형태: solid
• autoignition temp.: >320 °C (DIN 51794)
• 효능: 28000 mg/kg LD₅₀, oral (Rat); >20000 mg/kg LD₅₀, skin (Rabbit)
• pH: 5-7 (20 °C, 100 g/L in H₂O)
• mp: 53-58 °C
• 전이 온도: flash point 270 °C
• solubility: 500 g/L
• density: 1.2 g/cm³ at 20 °C
• 벌크 밀도: 400‑500 kg/m³
• 저장 온도: 2-30°C
• SMILES string: C(CO)O
• InChI: 1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
• InChI key: LYCAIKOWRPUZTN-UHFFFAOYSA-N

설명

애플리케이션

Polyethylene glycol 4000 for synthesis. CAS No. 25322-68-3, EC Number 500-038-2.

분석 메모

Hydroxyl value: 25 - 32
Melting range (lower value): ≥ 58 °C
Melting range (upper value): ≤ 62 °C
Average molecular mass: 3500 - 4500
Identity (IR): passes test

안전성 정보

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 1
• Flash Point (°F): 281.5 °F - closed cup
• Flash Point (°C): 138.6 °C - closed cup