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Merck
CN

535834

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

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About This Item

Empirical Formula (Hill Notation):
C28H52N2O4
CAS Number:
52829-07-9
Molecular Weight:
480.72
NACRES:
NA.23
PubChem Substance ID:
24878106
UNSPSC Code:
12162002
EC Number:
258-207-9
MDL number:
MFCD00134709

Key Documents

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Quality Level

100

InChI key

XITRBUPOXXBIJN-UHFFFAOYSA-N

InChI

1S/C28H52N2O4/c1-25(2)17-21(18-26(3,4)29-25)33-23(31)15-13-11-9-10-12-14-16-24(32)34-22-19-27(5,6)30-28(7,8)20-22/h21-22,29-30H,9-20H2,1-8H3

SMILES string

CC1(C)CC(CC(C)(C)N1)OC(=O)CCCCCCCCC(=O)OC2CC(C)(C)NC(C)(C)C2

loss

0.7 wt. % volatility, 150-175°C

mp

82-85 °C (lit.)

transition temp

Tg >350 °C (dec)

solubility

acetone: 19 % (w/w) at 20 °C
ethyl acetate: 24 % (w/w) at 20 °C
methanol: 38 % (w/w) at 20 °C
chloroform: 45 % (w/w) at 20 °C
methylene chloride: 56 % (w/w) at 20 °C
H2O: insoluble <6 ppm at 20 °C

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Application

T770 can be used as a hindered amine UV stabilizer in plastic materials. It can be used in the manufacturing and packaging of pharmaceutical products. Titanium oxide(TiO2)/T770 may be used in amine induced light stabilizers in the synthesis of recyclable water-based polyurethane with poly(oxytetramethylene)glycol (PTMG).

General description

Bis(2,2,6,6-tetramethyl-4-piperidyl) (T770) sebacate is a low molecular weight ultra violet (UV) hindered amine light stabilizer (HALS) made up of nitroxyl radicals. It acts as a heat controller that can react with phenolic antioxidants incorporated in polymers.

pictograms

CorrosionEnvironment
GHS05,GHS09

signalword

Danger

hcodes

H318,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

>302.0 °F

flash_point_c

> 150 °C

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV7161
MKCL7950
05705CJ
03907LH
13525KC

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Péter Sótonyi et al.
Toxicological sciences : an official journal of the Society of Toxicology, 77(2), 368-374 (2003-12-06)
Tinuvin 770 [bis(2,2,6,6-tetramethyl-4-piperidinyl) sebacate], is a UV light stabilizer plastic additive used worldwide. It is a component of many plastic materials used in medical and food industries. Earlier studies demonstrated its in vitro L-type Ca2+ channel and nicotinic acetylcholine receptor
R Masalha et al.
Brain research, 774(1-2), 260-264 (1998-02-06)
While unproved, environmental toxins of industrial and or agricultural origin represent an attractive theory to explain the increasing incidence of degenerative diseases of the nervous system such as Parkinson's disease (PD). We have examined several chemicals utilized in an area
R L Papke et al.
The Journal of pharmacology and experimental therapeutics, 268(2), 718-726 (1994-02-01)
Bis (2,2,6,6-tetramethyl-4-piperidinyl) sebacate (BTMPS; Tinuvin 770), a sterically hindered amine light and radiation stabilizer manufactured by Ciba-Geigy Corp. (Summit, NJ) and used in a wide range of plastics, inhibits nicotinic acetylcholine receptors expressed in Xenopus oocytes in a use-dependent manner.
Martha Gill et al.
Journal of chromatographic science, 48(3), 200-207 (2010-03-13)
Tinuvin 770 is a light stabilizer present in numerous polymers utilized in medical or pharmaceutical applications (e.g., manufacturing, packaging, delivery systems and devices). Under conditions of use, Tinuvin 770 and its related substances may leach from the polymers and accumulate
Elisabetta Damiani et al.
Free radical biology & medicine, 33(1), 128-136 (2002-06-28)
Derivatives of tetramethylpiperidines are extensively employed in polymers to prevent photooxidation, and their stabilizing effect is attributed to the activity of the nitroxide radical derived from the parent amine. In this study, we examined the photoprotective effect of a commercial
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