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Merck
CN

535761

Bis(1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl) sebacate

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About This Item

Empirical Formula (Hill Notation):
C44H84N2O6
CAS Number:
129757-67-1
Molecular Weight:
737.15
NACRES:
NA.23
PubChem Substance ID:
24878101
UNSPSC Code:
12162002
MDL number:
MFCD02094713

Key Documents

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InChI

1S/C44H84N2O6/c1-11-13-15-17-23-27-31-49-45-41(3,4)33-37(34-42(45,5)6)51-39(47)29-25-21-19-20-22-26-30-40(48)52-38-35-43(7,8)46(44(9,10)36-38)50-32-28-24-18-16-14-12-2/h37-38H,11-36H2,1-10H3

SMILES string

CCCCCCCCON1C(C)(C)CC(CC1(C)C)OC(=O)CCCCCCCCC(=O)OC2CC(C)(C)N(OCCCCCCCC)C(C)(C)C2

InChI key

OSIVCXJNIBEGCL-UHFFFAOYSA-N

refractive index

n20/D 1.479 (lit.)

dynamic viscosity

3000 mPa.s(20 °C)(lit.)

transition temp

Tg >150 °C (dec)

solubility

H2O: <6 ppm at 20 °C

density

1.028 g/mL at 25 °C (lit.)

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General description

Bis(1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl) sebacate is a hindered amine light stabilizer (HALS) that is effective in retarding degradation through thermal and photo-oxidation process. It can be used in wood and plastic based coatings.

Application

Easily emulsified in water-borne systems. Miscible to >50% with xylene, MEK, and other paint solvents.
Hindered amine UV light stabilizer.
Low basicity reduces interactions with acidic paint ingredients particularly effective in coatings based on alkyds.

Storage Class

10 - Combustible liquids

wgk

WGK 1

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCK7360
MKBZ3482V
MKBG6049V
05414HI

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Direct detection of additives and degradation products from polymers by liquid extraction surface analysis employing chip-based nanospray mass spectrometry
Paine MRL, et al.
Rapid Communications in Mass Spectrometry, 26(4), 412-418 (2012)
Desorption electrospray ionisation mass spectrometry reveals in situ modification of a hindered amine light stabiliser resulting from direct N-OR bond cleavage
Paine MRL, et al.
Analyst, 136(5), 904-912 (2011)
Analysis of UV absorbers and stabilizers in polypropylene by liquid chromatography/atmospheric pressure chemical ionization-mass spectrometry.
Choi S and Jang J
Polymer Testing, 30(6), 673-677 (2011)

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