Merck
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481688

Sigma-Aldrich

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

average Mn ~2,500

Synonym(s):
PDMS
Linear Formula:
H2N(CH2)3Si(CH3)2O[Si(CH3)2O]nSi(CH3)2(CH2)3NH2
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

specific activity

0.6-0.8 meq/g (Amine number)

Quality Level

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

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This Item
481696481246480290
refractive index

n20/D 1.410

refractive index

n20/D 1.406

refractive index

n20/D 1.409 (lit.)

refractive index

n20/D 1.408 (lit.)

viscosity

50 cSt(lit.)

viscosity

2,000 cSt

viscosity

100 cP(25 °C)(lit.)

viscosity

~65 cSt(25 °C)(lit.)

density

0.98 g/mL at 25 °C (lit.)

density

0.98 g/mL at 25 °C (lit.)

density

0.98 g/mL at 25 °C (lit.)

density

0.97 g/mL at 25 °C (lit.)

specific activity

0.6-0.8 meq/g (Amine number)

specific activity

0.07-0.09 meq/g (Amine number)

specific activity

-

specific activity

-

mol wt

average Mn ~2,500

mol wt

average Mn ~27,000

mol wt

average Mn ~5,600

mol wt

average Mn ~5,000

bp

>200 °C (lit.)

bp

>200 °C (lit.)

bp

-

bp

-

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).

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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