What is the NOAEL for Diethyl propanedioate?
Diethyl propanedioate has 15 NOAEL studies in the database. The lowest reported value is 8.468 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.
Also known as: propanedioic acid, diethyl ester, Diethyl malonate, EINECS 203-305-9, Ethyl malonate, Ethyl methanedicarboxylate (+5 more)
CAS 105-53-3
Diethyl propanedioate (CAS 105-53-3) is a chemical substance. Key regulatory status: REACH registered, 6 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, ILO ICSC.
CAS, identifiers, formula, and alternate names for the matched substance record.
International Chemical Safety Card hazard and exposure summary.
| Field | Value |
|---|---|
| GHS Signal Word | WARNING |
| GHS Hazard Statements | Combustible liquid Causes eye irritation Harmful to aquatic life |
| Short-term Effects | The substance is mildly irritating to the eyes. |
| Long-term Effects | Health effects of the substance have been investigated but none have been found |
Industrial and product-use categories associated with this substance.
Inventory, screening, and regulatory list matches from public chemical databases.
| List | Keyword | Source |
|---|---|---|
| Australia; Food and drug - smoking-related products | New Zealand ESR | CPCat |
| IFRA Transparency | IFRA | IFRA |
| Europe | European Commission | Fl@vis |
| food_additive; Substances Added to Food (formerly EAFUS) (2/2019) | FDA | United States Food and Drug Administration (FDA) |
| SCIL (9/2019) | USEPA | Safer Chemical Ingredients List |
| consumer_product | P&G | Proctor & Gamble |
Toxicology endpoints rendered from public NOAEL study rows.
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| 63.2737783355979 | uM | AC50 | - | - | NTP_ICE_endocrine |
| 58.1780661624925 | uM | ACC | - | - | NTP_ICE_endocrine |
| =8.468 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB_GESTIS_DNEL |
| 53A58PA183 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 53A58PA183 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 53A58PA183 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 53A58PA183 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| - | % | Incidence of positive responses | Dermal | Human | NTP_ICE_skin_sensitization |
| 2700 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP_ICE_skin_sensitization |
| 20000 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP_ICE_skin_sensitization |
| - | unitless | Model Score | - | - | NTP_ICE_endocrine |
| 0.00416 | unitless | Model Score | - | - | NTP_ICE_endocrine |
| 36 | mg/kg bw/day | NOAEL | oral | rat | COSMOS_DB |
| 3 | unitless | Relative reliability score | Dermal | Human | NTP_ICE_skin_sensitization |
| 4 | unitless | Relative reliability score | Dermal | Human | NTP_ICE_skin_sensitization |
Showing 15 of 15 studies
Registration status from the ECHA REACH registered substances database.
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Diethyl malonate | 203-305-9 | ECHA overview → |
Australian industrial chemicals inventory status and applicable conditions.
Same-CAS cosmetic ingredient record for cross-vertical context.
Same-CAS pharmaceutical records from drug and bioactivity sources.
Same-CAS cannabis compliance and lab records where available.
1 cannabis record found in efsa substances.
View full cannabis profile →Diethyl propanedioate has 15 NOAEL studies in the database. The lowest reported value is 8.468 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.
Diethyl propanedioate appears on 6 regulatory/inventory lists including Australia; Food and drug - smoking-related products, IFRA Transparency, Europe, and 3 more. Source: EPA CPDat.
Yes, Diethyl propanedioate is also indexed as a cosmetic ingredient under the name Diethyl Malonate. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, ILO/WHO ICSC, CosIng / Ingredients DB, ChEMBL / DailyMed, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.
Diethyl propanedioate also appears in cosmetics, pharmaceutical, cannabis databases.