Tinuvin 770 in the yard and garden

What is tinuvin 770?

The IUPAC name is bis(2,2,6,6-tetramethyl-4-piperidinyl) decanedioate.

Also known as: bis(2,2,6,6-tetramethyl-4-piperidinyl) decanedioate, HALS (Hindered Amine Light Stabilizer), Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate.

IUPAC name

bis(2,2,6,6-tetramethyl-4-piperidinyl) decanedioate

CAS number

52829-07-9

Molecular formula

C28H56N2O4

Molecular weight

480.77 g/mol

SMILES

CC1C(C(C(C(O1)OC2C3C(C4=C2C=C5C=CC(C5=C4)(C6COC(=O)O6)O)C7(C(=O)C=CC8=C7C=C(C=C8C)OC)C(=O)O3)NC)O)O

PubChem CID

6323439

Regulatory consensus

2 regulatory and scientific bodies have classified Tinuvin 770. The classifications differ — that's the data.

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where your yard encounter tinuvin 770

• polyolefins
• polyesters
• food_packaging
• polyvinyl_chloride
• outdoor_polymers

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Tinuvin 770:

• Bio-based plasticizers (epoxidized soybean oil, citrate esters)
  Trade-offs: Alternative approach; specific tradeoffs depend on application context, scale, and regulatory requirements. Full hazard assessment of alternative recommended before adoption to avoid regrettable substitution.
  Relative cost: 2-5× conventional
• Non-phthalate plasticizers (DINCH, DEHT) where phthalates are currently used
  Trade-offs: Alternative approach; specific tradeoffs depend on application context, scale, and regulatory requirements. Full hazard assessment of alternative recommended before adoption to avoid regrettable substitution.
  Relative cost: 1.2-2×
• Additive-free polymer formulations where performance allows
  Trade-offs: Alternative approach; specific tradeoffs depend on application context, scale, and regulatory requirements. Full hazard assessment of alternative recommended before adoption to avoid regrettable substitution.
  Relative cost: Lower (ingredient elimination)

Frequently asked questions