SG 015/26
Singapore will prohibit three persistent organic pollutant (POP) chemicals by December 2026, with limited exemptions.
On January 26, 2026, Singapore’s National Environment Agency (NEA) announced an update on the nation’s phase-out of three POP chemicals that were added to Annex A (elimination) of the Stockholm Convention on POPs, with specific exemptions (SC COP-12):
- Chlorpyrifos: a pesticide
- Medium-chain chlorinated paraffins (MCCPs) with C14 to C17 chain lengths and chlorination levels of at least 45% chlorine
- Long-chain perfluorocarboxylic acids with C9 to C21 chain lengths, their salts and related compounds (LC-PFCAs)
NEA is reviewing the exemptions for specific uses permitted under the Stockholm Convention and may issue additional guidance in due course.
Highlights of the announcement are summarized in Table 1
| Substance | Scope | Requirement | Effective date |
|
| Prohibited | December 16, 2026¹ |
| ¹Companies may continue to exhaust existing stocks of the chemicals and/or their products that were imported before this date | |||
Table 1
Additionally, the announcement contains an annex with a list of affected harmonized system (HS) and product codes.
Several potential uses of MCCPs and LC-PFCAs are detailed in Table 2
| POP Chemical | Potential application |
| MCCPs |
|
| LC-PFCAs |
|
Table 2
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