8.07488

Poli(etilenglicol)

1000, for synthesis

• Sinónimos: PEG
• Fórmula lineal: H(OCH₂CH₂)_nOH
• Número CAS: 25322-68-3
• NACRES: NA.22
• EC Index Number: 500-038-2
• UNSPSC Code: 13111021
• MDL number: MFCD00081839

Propiedades

• vapor pressure: <0.1 hPa ( 20 °C)
• Quality Segment: 200
• form: liquid
• autoignition temp.: 420 °C
• potency: 28000 mg/kg LD₅₀, oral (Rat), >20000 mg/kg LD₅₀, skin (Rabbit)
• greener alternative product characteristics: Safer Solvents and Auxiliaries; Learn more about the Principles of Green Chemistry.
• sustainability: Sustainability features
• 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

Descripción

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Green Chemistry. Polyethylene glycol (PEG) is an eco-friendly, biodegradable polymer widely used in pharmaceuticals and cosmetics. Its non-toxic nature and versatility make it a sustainable choice, derived from renewable resources, contributing to greener product formulations. Click here for more information.

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.

Información de seguridad

• Clase de almacenamiento: 10 - Combustible liquids
• ¿Qué está pasando?: WGK 1
• Punto de inflamación (°F): 281.5 °F - closed cup
• Punto de inflamación (°C): 138.6 °C - closed cup