[Regulation]Regulation update: GADSL revision & its updates in IMDS

4 Sep 2025

The updates to the Global Automotive Declarable Substance List (GADSL), revised as of August 4, 2025, have been applied to IMDS on March 14, 2025. 


GADSL Overview


Key Changes

  • Reclassification of existing GADSL substances

    • D → D/P (1,976 cases)

    • P → D/P (10 cases, refer to the table below)

Substance name
CAS
Current Flag
New Flag

Dichlorotetrafluoroethane

1320-37-2

P

D/P

1,1,2,2-Tetrafluorotetrachloropropane

2268-46-4

P

D/P

1,1-Dibromo-1,2,2,2-tetrafluoroethane

27336-23-8

P

D/P

1,1-Dichlorotetrafluoroethane

374-07-2

P

D/P

1-Chloroheptafluoropropane

422-86-6

P

D/P

1,1,1-Trichloro-2,2,3,3,3-pentafluoropropane

4259-43-2

P

D/P

1,2-Dichlorohexafluoropropane

661-97-2

P

D/P

Chloropentafluoroethane

76-15-3

P

D/P

Pentachlortrifluorpropan

134237-31-3

P

D/P

1,1,1-Trichloro-2,2,2-trifluoroethane

354-58-5

P

D/P



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