408727

Polyethylenimine, branched

average M_w ~25,000 by LS, average M_n ~10,000 by GPC, branched

• Synonym(s): PEI
• Linear Formula: H(NHCH₂CH₂)_nNH₂
• CAS Number: 9002-98-6
• MDL number: MFCD00084427
• PubChem Substance ID: 24865591
• NACRES: NA.23

Properties

• Quality Level: 200
• form: viscous liquid
• mol wt: average M_n ~10,000 by GPC; average M_w ~25,000 by LS
• impurities: ≤1% water
• refractive index: n20/D 1.5290
• viscosity: 13,000-18,000(50 °C)
• bp: 250 °C (lit.)
• density: 1.030 g/mL at 25 °C
• SMILES string: C1CN1
• InChI: 1S/C2H5N/c1-2-3-1/h3H,1-2H2
• InChI key: NOWKCMXCCJGMRR-UHFFFAOYSA-N

Description

Application

Used as a polyelectrolyte multilayer on charged surfaces to provide a biocompatible coating on surfaces.[67]
Detergents, adhesives, water treatment, printing inks, dyes, cosmetics, and paper industry, adhesion promoter, lamination primer, fixative agent, flocculant, cationic dispersant, stability enhancer, surface activator, chelating agent, scavenger for aldehydes and oxides.

Packaging

100, 250 mL in poly bottle

1 L in poly bottle

Physical form

Branched polymer

Safety Information

• Pictograms: GHS07,GHS09
• Signal Word: Warning
• Hazard Statements: H302 - H317 - H319 - H411
• Precautionary Statements: P261 - P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Sens. 1
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 2
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves