408727

Sigma-Aldrich

Polyethylenimine, branched

average Mw ~25,000 by LS, average Mn ~10,000 by GPC, branched

Synonym(s):
PEI
Linear Formula:
H(NHCH2CH2)nNH2
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

mol wt

average Mn ~10,000 by GPC
average Mw ~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

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Related Categories

Application

Used as a polyelectrolyte multilayer on charged surfaces to provide a biocompatible coating on surfaces.
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

Pictograms

Exclamation markEnvironment

Signal Word

Warning

Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 3082 9 / PGIII

WGK Germany

WGK 2

  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. What is the concentration and purity of Polyethylenimine, Product 408727?

    This product is the pure product of polyethyleneimine. At room temperature this product is a liquid and not a solid. The purity of this product is not routinely determined.

  4. At what temperature does Product 408727, Polyethylenimine, decompose?

    Polyethylenimine (mw ~25,000) begins to decompose at 225 °C.

  5. What is the solubility of Product 408727, Polyethylenimine?

    We do not test the solubility of this product.  However, according to our supplier, this product is miscible with water and ethylene glycol, and soluble in ethanol.

  6. What are the end groups on Product 408727, Polyethylenimine?

    The end groups are primary, secondary, and tertiary amines that are in a ratio of 1 : 1.2 : 0.76, respectively.

  7. What is the water content of Product 408727, Polyethylenimine?

    This product will contain less than 1% water. The lot specific value is reported on the Certificate of Analysis.

  8. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  9. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  10. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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