| Agent Name | Agent Number | CAS Number | Last Updated | |
|---|---|---|---|---|
| HEXYL ALCOHOL | 3253 | 111-27-3 | 08/27/2025 | Summary |
| HEXYLENE GLYCOL | 2551 | 107-41-5 | 02/10/2026 | Summary |
| HFC 125 | 3733 | 354-33-6 | 05/29/2026 | Summary |
| HFC-134a | 3499 | 811-97-2 | 05/05/2026 | Summary |
| HFC-143a | 3742 | 420-46-2 | 10/31/2025 | Summary |
| HFC-152a | 3425 | 75-37-6 | 04/30/2026 | Summary |
| HHV6 | 2302 | NONE | 05/16/2026 | Summary |
| HIB-VACCINE | 2761 | NONE | 02/19/2026 | Summary |
| HIBICLENS | 1681 | 18472-51-0 | 01/27/2026 | Summary |
| HIBISCUS | 4521 | NONE | 03/25/2026 | Summary |
| HIBITANE | 1681 | 18472-51-0 | 01/27/2026 | Summary |
| HIBOR | 4807 | 91449-79-5 | 09/10/2025 | Summary |
| HICON | 1250 | 7790-26-3 | 10/07/2025 | Summary |
| HIFENAC | 4677 | 89796-99-6 | 08/31/2025 | Summary |
| HIGH FLASH AROMATIC NAPHTHA | 2755 | 64742-95-6 | 03/11/2026 | Summary |