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Polybutenes

ALDRICH/388726 - average Mn ~2,300 by VPO, isobutylene >90 %

CAS Number: 9003-29-6
MDL Number: MFCD00197897
Linear Formula: [-CH2C(CH3)2-]x[-CH2CH(C2H5)-]y
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-388726-1L 1 L
 $279.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 388726-1L

 

composition isobutylene, >90%
density 0.908 g/mL at 25 °C
form liquid
InChI 1S/2C4H8/c2*1-3-4-2/h3-4H,1-2H3;3H,1,4H2,2H3/b4-3+;
InChI key WTOOLIQYCQJDBG-BJILWQEISA-N
mol wt average Mn ~2,300 by VPO
refractive index n20/D 1.504
SMILES string CCC=C.CC=CC
transition temp pour point (ASTM D 97) +18 °C
  Tg −64.9 °C
viscosity 4,000-4,400 cSt(99 °C)(lit.)
Application: Hydrophobic material is derivatized to make detergents and anti-rust additives. Adds tack, flexibility and water repellency to adhesives and coatings. Contributes ′cling′ to LLDPE films. Plasticizer for polymers, lubricants and metal-working fluids.
Features and Benefits: Tackiness increases with molecular weight. Some internal double bonds may be present.
Other Notes: remainder 1- and 2-butenes
Packaging: 1 L in poly bottle
Physical form: Terminal vinyl group.
Density 0.908 g/mL at 25 °C
Refractive Index n20/D 1.504
UNSPSC 12162002

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