CAS 126-11-4 · Functions: antimicrobial
No specific rule on file.
No specific rule on file.
Banned in some U.S. states WA-TFCA
Conditions: Washington: Toxic-Free Cosmetics Act (Substitute House Bill 1047, Chapter 455, Laws of 2023) and Cosmetic Products Restrictions Rule (ch. 173-339 WAC, WSR 25-18-057, eff. 2025-09-28) · RCW 70A.560.005-.900 (2023 c 455); WAC 173-339-110 · From 2027-01-01 · intentionally added formaldehyde releaser (WAC 173-339-110(2)(b) table), incl. aliases of name and CAS RN; existing in-state retailer stock may be sold until 2028-01-01 (Ecology: until 2027-12-31)
Source: Washington — Toxic-Free Cosmetics Act (Substitute House Bill 1047, Chapter 455, Laws of 2023) · checked Oct 17, 2026
Banned in some U.S. states OR-SB546
Conditions: Oregon: Toxic-Free Cosmetics Act (SB 546, Or. Laws 2023 ch. 575) · ORS 431A.345 · From 2027-01-01 · intentionally added (our mapping from Washington's named list) · Matched by our INCI mapping of a substance class
Source: Oregon — Toxic-Free Cosmetics Act (SB 546, Or. Laws 2023 ch. 575) · checked Oct 17, 2026
TRIS-HYDROXYMETHYLNITROMETHANE
Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.
We found no specific rule for it in the EU's CosIng records. That is not an approval or a safety statement.
We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.
In the FDA's records it is listed as “Banned in some U.S. states” (Washington — Toxic-Free Cosmetics Act (Substitute House Bill 1047, Chapter 455, Laws of 2023)).
The EU's CosIng inventory lists its functions as: antimicrobial.
CAS 126-11-4 (from official records).