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481688

Poly(dimethylsiloxane), bis(3-aminopropyl) terminated

average Mn ~2,500

Synonym(s):

PDMS

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About This Item

Linear Formula:
H2N(CH2)3Si(CH3)2O[Si(CH3)2O]nSi(CH3)2(CH2)3NH2
CAS Number:
106214-84-0
UNSPSC Code:
12162002
PubChem Substance ID:
24871775
NACRES:
NA.23
MDL number:
MFCD00241456
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specific activity

0.6-0.8 meq/g (Amine number)

Quality Segment

100

mol wt

average Mn ~2,500

refractive index

n20/D 1.410

viscosity

50 cSt(lit.)

bp

>200 °C (lit.)

density

0.98 g/mL at 25 °C (lit.)

SMILES string

C[Si](C)=O.C[Si](C)(O)CCCN

InChI key

LYVFZZVBTQSOBI-UHFFFAOYSA-N

General description

Tandem mass spectrometry (MS/MS) reveals that bis(3-aminopropyl)-PDMS mainly dissociates via intramolecular nucleophilic substitutions at the end groups.

Application

bis(3-aminopropyl) terminated poly(dimethylsiloxane) may be used in the synthesis of dipicolylamidopropylpoly(dimethylsiloxane) (DPPDMS).

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Storage Class

10 - Combustible liquids

ppe

Eyeshields, Gloves

flash_point_f

>235.4 °F - closed cup

flash_point_c

> 113.00 °C - closed cup

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