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Merck
CN

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

Key Documents

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InChI key

LYVFZZVBTQSOBI-UHFFFAOYSA-N

SMILES string

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

specific activity

0.6-0.8 meq/g (Amine number)

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.)

Quality Level

100

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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

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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Certificates of Analysis (COA)

Lot/Batch Number
0000458615
0000458615
MKCX1886
MKCX1429
0000391796

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Thierry Fouquet et al.
Journal of the American Society for Mass Spectrometry, 22(4), 649-658 (2011-04-08)
Ammonium adducts of trimethylsilyl-terminated poly(dimethylsiloxane) (CH(3)-PDMS) produced by electrospray ionization were submitted to collision induced dissociation and revealed a particular MS/MS behavior: the same three main product ions at m/z 221, 295, and 369 were always generated in very similar
Thermal decomposition behavior of cobalt (II)picolyl-terminated poly(dimethylsiloxane)
Kurokowa A, et al.
Journal of Thermal Analysis and Calorimetry, 97, 595-599 null

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