ChemicalBook CAS DataBase List 52829-07-9

52829-07-9

Name	Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate
CAS	52829-07-9
EINECS(EC#)	258-207-9
Molecular Formula	C28H50N2O4-2
MDL Number	MFCD00134709
Molecular Weight	478.71
MOL File	52829-07-9.mol

Synonyms

BIS(2,2,6,6-TETRAMETHYL-4-PIPERIDINYL)SEBACATE BIS(2,2,6,6-TETRAMETHYL-4-PIPERIDYL) SEBACATE BTPS Decanedioic acid bis(2,2,6,6-tetramethyl-4-piperidinyl)ester DECANEDIOIC ACID BIS(2,2,6,6-TETRAMETHYL-4-PIPERIDYL) ESTER PHOTO-STABILIZER HS-770 SEBACIC ACID BIS(2,2,6,6-TETRAMETHYL-4-PIPERIDYL) ESTER TINUVIN 770 adkstabla77 bis(2,2,6,6-tetramethyl-4-piperidinyl)decanedioate hals1 hals770 ls770 markla77 sanol sanol770 sanolls700 sanolls770 sumisorb577 t770

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℃
Fp	421 °F
storage temp.	2-30°C
solubility	acetone: 19 % (w/w) at 20 °C
form	powder to crystal
pka	10.49±0.10(Predicted)
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	52829-07-9(EPA Substance)

Safety Data

Symbol(GHS)	GHS05,GHS09
Signal word	Danger
Hazard statements	H318-H410
Precautionary statements	P273-P280-P305+P351+P338-P391-P501
Hazard Codes	T
Risk Statements	R23:Toxic by inhalation. R37/38:Irritating to respiratory system and skin . R41:Risk of serious damage to eyes. less more
Safety Statements	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S39:Wear eye/face protection . S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . less more
RIDADR	UN 2811 6.1/PG 2
WGK Germany	2
RTECS	HD8315000
TSCA	Yes
REACH Registrations	Active
HazardClass	6.1
PackingGroup	II
HS Code	29333990
Storage Class	11 - Combustible Solids
Hazard Classifications	Aquatic Acute 1 Aquatic Chronic 2 Eye Dam. 1

Hazard Information

Chemical Properties

White solid

Uses

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.

Flammability and Explosibility

Notclassified

Biological Activity

Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate(BTMPS; Tinuvin 770) is a sterically hindered amine light and radiation stabilizer produced by Ciba-Geigy, widely used in plastics, that inhibits nicotinic acetylcholine receptors expressed in Xenopus oocytes in a use-dependent manner. BTMPS is a symmetrical conjugate of methylated piperidines that are potent inhibitors on their own, but the kinetics of inhibition and recovery are faster than BTMPS. For neuronal nicotinic receptor subunit combinations, the time constant for recovery from inhibition by BTMPS is approximately 1 to 4 h. Muscle-type receptors (α 1-, β 1-γ, and δ subunits) are also inhibited by BTMPS, but control responses are fully restored after a 5 min washout. Hybrids of muscle and neuronal subunits containing neuronal β subunits (α 1-, β 2-, γ, and δ and α-1-, β 4-, and γ-δ) blocked in a more irreversible manner than normal muscle-type receptors, suggesting an interaction between BTMPS and neuronal acetylcholine receptor β subunits. Glutamate receptors were not inhibited by BTMPS. Exposure to agonist solutions from certain plastic syringes that release BTMPS also resulted in a use-dependent inhibition of nicotinic receptors.^[1]

References

[1] R L PAPKE; S F H; A G Craig. Inhibition of nicotinic acetylcholine receptors by bis (2,2,6,6-tetramethyl- 4-piperidinyl) sebacate (Tinuvin 770), an additive to medical plastics.[J]. Journal of Pharmacology and Experimental Therapeutics, 1994, 268 2: 718-726.

Questions And Answer

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. ;

Spectrum Detail

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52829-07-9

Chemical Properties

Safety Data

Hazard Information

Chemical Properties

Uses

General Description

Flammability and Explosibility

Biological Activity

References

Questions And Answer

Applications

Applications

Guidelines for use

Physical properties

Handling

Spectrum Detail

Well-known Reagent Company Product Information

Supplier

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