8.07488

Polyethylene glycol

1000, for synthesis

• Synonym(s): Poly(ethylene glycol), Polyethylene glycol 1000, Polyglycol, Polyethylene oxide, Polyoxy ethylene, PEG 1000, PEG
• Linear Formula: H(OCH₂CH₂)_nOH
• CAS Number: 25322-68-3
• MDL number: MFCD00081839
• UNSPSC Code: 13111021
• EC Index Number: 500-038-2
• NACRES: NA.22

Properties

• vapor pressure: <0.1 hPa ( 20 °C)
• Quality Level: 200
• form: liquid
• autoignition temp.: 420 °C
• potency: 28000 mg/kg LD₅₀, oral (Rat); >20000 mg/kg LD₅₀, skin (Rabbit)
• pH: 4-7 (20 °C, 100 g/L in H₂O)
• mp: 33-40 °C
• transition temp: flash point 260 °C
• density: 1.2 g/cm³ at 20 °C
• storage temp.: 2-30°C
• SMILES string: C(CO)O
• InChI: 1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
• InChI key: LYCAIKOWRPUZTN-UHFFFAOYSA-N

Description

Application

Polyethylene glycol 1000 for synthesis. CAS 25322-68-3, pH 4 - 7 (100 g/l, H₂O, 20 °C).

Analysis Note

Melting range (lower value): ≥ 33 °C
Melting range (upper value): ≤ 40 °C
Hydroxyl value: 107 - 118
Average molecular mass: 950 - 1050
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: 281.5 °F - closed cup
• flash_point_c: 138.6 °C - closed cup