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ChemicalBook >  Product Catalog >  Catalyst and Auxiliary >  UV absorbers >  Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate

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

Basic information Applications Applications Guidelines for use Physical properties Handling Safety Supplier Related

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

Product Name:
Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate
Synonyms:
  • Decanedioic acid bis(2,2,6,6-tetramethyl-4-piperidinyl)ester
  • DECANEDIOIC ACID BIS(2,2,6,6-TETRAMETHYL-4-PIPERIDYL) ESTER
  • BIS(2,2,6,6-TETRAMETHYL-4-PIPERIDINYL)SEBACATE
  • BIS(2,2,6,6-TETRAMETHYL-4-PIPERIDYL) SEBACATE
  • BTPS
  • TINUVIN 770
  • adkstabla77
  • bis(2,2,6,6-tetramethyl-4-piperidinyl)decanedioate
CAS:
52829-07-9
MF:
C28H52N2O4
MW:
480.72
EINECS:
258-207-9
Product Categories:
  • Polymer Additives
  • Polymer Science
  • Industrial/Fine Chemicals
  • Stabilizers
  • 52829-07-9
  • UV
Mol File:
52829-07-9.mol
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Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate Chemical Properties

Melting point:
82-85 °C(lit.)
Boiling point:
499.8±45.0 °C(Predicted)
Density 
1.01±0.1 g/cm3(Predicted)
vapor pressure 
0Pa at 20℃
Flash point:
421 °F
solubility 
acetone: 19 % (w/w) at 20 °C
pka
10.49±0.10(Predicted)
form 
powder to crystal
color 
White to Almost white
Water Solubility 
18.8mg/L at 23℃
InChI
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
InChIKey
XITRBUPOXXBIJN-UHFFFAOYSA-N
SMILES
C(OC1CC(C)(C)NC(C)(C)C1)(=O)CCCCCCCCC(OC1CC(C)(C)NC(C)(C)C1)=O
LogP
0.35 at 25℃
CAS DataBase Reference
52829-07-9(CAS DataBase Reference)
EPA Substance Registry System
Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate (52829-07-9)
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Safety Information

Hazard Codes 
T,N,Xi
Risk Statements 
23-37/38-41-51/53-36
Safety Statements 
26-39-45-61
RIDADR 
UN 2811 6.1/PG 2
WGK Germany 
2
RTECS 
HD8315000
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
II
HS Code 
29333990

MSDS

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Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate Usage And Synthesis

Applications

Light Stabilizer 770  is recommended to be used in polypropylene, impact modified PP (TPO), EPDM, polystyrene, impact polystyrene, ABS, SAN, ASA, polyurethanes, and is also effective in polyamides and polyacetals.

Applications

Light Stabilizer 770 (Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate) is a low molecular weight hindered amine light stabilizer (HALS) for applications demanding particularly high light stability. The benefit of using Light Stabilizer 770 is the high light-stabilizing performance, particularly in PP thick sections to protect the surface. It has broad compatibility and can be easily dispersed. Compared to UV absorbers, the effectiveness of HALS, like Light Stabilizer 770, is not dependent on the polymer’s thickness. For this reason, the use of Light Stabilizer 770 also provides good light stability in articles with higher specific surface, e. g., films and tapes.

Guidelines for use

The recommended concentrations range between 0.1 % and 1.0 %, depending on the substrate, processing conditions and application. The optimum level is substrate and application specific. Extensive performance data of Light Stabilizer 770 in various substrates and for various applications is available upon request.

Physical properties

Handling

In accordance with good industrial practice, handle with care and avoid unnecessary personal contact. Avoid continuous or repetitive breathing of dust. Use only with adequate ventilation. Avoid contact with eyes. Avoid release to the environment. Avoid dust formation and ignition sources.

Chemical Properties

White solid

Uses

T770 (Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate) 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.

Flammability and Explosibility

Not classified

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

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