Cosmetic Ingredient

1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)-

CAS 61920-45-4

1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)- (CAS 61920-45-4) is a chemical substance. Key regulatory status: 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from EPA CPDat, AICIS.

View cosmetic safety profile for Isopropyl-Tetramethyl-Dioxane →

SOURCE noael studies public
NOAEL studies
0
SOURCE chemical inventory jurisdictions
Regulatory lists
1
SOURCE eu clp annex vi
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 6 fields
Name
1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)-
CAS Number
61920-45-4
DTXSID
DTXSID30866893
Molecular Formula
C11H22O2
InChI Key
WVYKHQRCBWWGFK-UHFFFAOYSA-N
Monoisotopic Mass
186.16198

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 2 records
Fragrance

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 1 records
ListKeywordSource
IFRA TransparencyIFRAIFRA

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records
Inventory Status
listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Fragrance
View full cosmetic safety profile →

Frequently Asked Questions

What regulatory lists include 1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)-?

1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)- appears on 1 regulatory/inventory list including IFRA Transparency. Source: EPA CPDat.

Is 1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)- used in cosmetics?

Yes, 1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)- is also indexed as a cosmetic ingredient under the name Isopropyl-Tetramethyl-Dioxane. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for 1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)- come from?

Safety data is sourced from EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Does 1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)- have different safety status in cosmetics vs industrial chemicals?

1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)- is classified GHS Danger (H314, H317, H318) in the chemicals database but is allowed in EU cosmetics.

Is 1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)- used outside industrial chemicals?

1,3-Dioxane, 2,2,5,5-tetramethyl-4-(1-methylethyl)- also appears in cosmetics databases.