What is the NOAEL for 1,1-Dimethoxynon-2-yne?
1,1-Dimethoxynon-2-yne has 6 NOAEL studies in the database. The lowest reported value is 0 % via Dermal in Human. Source: NTP_ICE_skin_sensitization.
NOAEL Data
Cosmetic Ingredient
1,1-Dimethoxynon-2-yne
Also known as: BRN 4372599, EINECS 236-249-9, 2-Nonyl-1-al dimethyl acetal, 2-Nonynal dimethylacetal, 2-Nonyn-1-al dimethylacetal (+1 more)
CAS 13257-44-8
1,1-Dimethoxynon-2-yne (CAS 13257-44-8) is a chemical substance. Key regulatory status: 2 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.
View cosmetic safety profile for 2-Nonyn-1-Al Dimethylacetal →
SOURCE
noael studies public
NOAEL studies
6
SOURCE
chemical inventory jurisdictions
Regulatory lists
2
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
12 fields
Name
1,1-Dimethoxynon-2-yne
CAS Number
13257-44-8
DTXSID
DTXSID3051670
Molecular Formula
C11H20O2
InChI Key
RPJGIPAAHSGBEZ-UHFFFAOYSA-N
Monoisotopic Mass
184.14633
Synonyms
BRN 4372599EINECS 236-249-92-Nonyl-1-al dimethyl acetal2-Nonynal dimethylacetal2-Nonyn-1-al dimethylacetalParmavert
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
3 records
Fragrance
Regulatory Lists
Inventory, screening, and regulatory list matches from public chemical databases.
SOURCE
EPA CPDat
2 records
| List | Keyword | Source |
|---|---|---|
| IFRA Transparency | IFRA | IFRA |
| consumer_product | P&G | Proctor & Gamble |
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 6 of 6 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| - | % | Incidence of positive responses | Dermal | Human | NTP_ICE_skin_sensitization |
| 2700 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP_ICE_skin_sensitization |
| 23622 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP_ICE_skin_sensitization |
| >5000 | mg/kg bw | LD50 | oral | Rat | NTP_ICE_acute_oral |
| 3 | unitless | Relative reliability score | Dermal | Human | NTP_ICE_skin_sensitization |
| 4 | unitless | Relative reliability score | Dermal | Human | NTP_ICE_skin_sensitization |
Showing 6 of 6 studies
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
Frequently Asked Questions
What regulatory lists include 1,1-Dimethoxynon-2-yne?
1,1-Dimethoxynon-2-yne appears on 2 regulatory/inventory lists including IFRA Transparency, consumer_product. Source: EPA CPDat.
Is 1,1-Dimethoxynon-2-yne used in cosmetics?
Yes, 1,1-Dimethoxynon-2-yne is also indexed as a cosmetic ingredient under the name 2-Nonyn-1-Al Dimethylacetal. 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 1,1-Dimethoxynon-2-yne come from?
Safety data is sourced from EPA ToxValDB, 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.
Is 1,1-Dimethoxynon-2-yne used outside industrial chemicals?
1,1-Dimethoxynon-2-yne also appears in cosmetics databases.