What is the NOAEL for Ethylparaben?
Ethylparaben has 43 NOAEL studies in the database. The lowest reported value is 0 unitless. Source: NTP_ICE_endocrine.
Also known as: ethyl 4-hydroxybenzoate, 4-10-00-00367, BRN 1101972, Carbethoxyphenol, Caswell No. 447 (+7 more)
CAS 120-47-8
Ethylparaben (CAS 120-47-8) is a chemical substance. Key regulatory status: REACH registered, 36 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.
Ethylparaben is classified GHS Danger (H304, H315, H317, H319, H401) in the chemicals database but is restricted in EU cosmetics at max 0.4% as acid in finished product; 0.8% cap for total paraben mixture.
CAS, identifiers, formula, and alternate names for the matched substance record.
Industrial and product-use categories associated with this substance.
Inventory, screening, and regulatory list matches from public chemical databases.
| List | Keyword | Source |
|---|---|---|
| active_ingredient; Europe; Pesticides | Commission of the European Communities | CPCat |
| IFRA Transparency | IFRA | IFRA |
| Europe | European Commission | Fl@vis |
| Personal care; Southeast Asia | Asean | ASEAN Cosmetics |
| inert_ingredient; non_food_use; Pesticides | EPA | CPCat |
| air; detected; emissions; Europe; Vehicle - car interior | Danish Environmental Protection Agency | Danish EPA |
| detected; Europe; Vehicle - car interior | Danish Environmental Protection Agency | Danish EPA |
| children; WA Children's Safe Product Act (4/2020) | State of Washington Department of Ecology | State of Washington |
| children | Vermont Department of Health | State of Vermont |
| children | Maine Department of Environmental Protection | State of Maine |
| detected; Toys and children's products | State of Washington Department of Ecology | State of Washington |
| nondetect; Toys and children's products | State of Washington Department of Ecology | State of Washington |
| detected; Toys and children's products | State of Washington Department of Ecology | State of Washington |
| detected; Toys and children's products | State of Washington Department of Ecology | State of Washington |
| nondetect; Toys and children's products | State of Washington Department of Ecology | State of Washington |
| detected; Toys and children's products | State of Washington Department of Ecology | State of Washington |
| nondetect; Toys and children's products | State of Washington Department of Ecology | State of Washington |
| children | Oregon Health Authority | State of Oregon |
| artificial_sweat; detected; emissions; Europe; Toys and children's products | Danish Environmental Protection Agency | Danish EPA |
| detected; Personal care; Southeast Asia | Asean | ASEAN Cosmetics |
| Europe; Personal care - body hygiene - hand soap | Danish Environmental Protection Agency | Danish EPA |
| CEDI | FDA | United States Food and Drug Administration (FDA) |
| Indirect additives food contact (10/2018) | FDA | United States Food and Drug Administration (FDA) |
| children; Europe; Personal care | Danish Environmental Protection Agency | Danish EPA |
| children; Europe; Personal care - general moisturizing - hand/body lotion | Danish Environmental Protection Agency | Danish EPA |
| children; Europe; Personal care - body hygiene - body wash | Danish Environmental Protection Agency | Danish EPA |
| children; Europe; Personal care - hair styling and care - shampoo | Danish Environmental Protection Agency | Danish EPA |
| children; Europe; Personal care - specialized bath products - bubble bath | Danish Environmental Protection Agency | Danish EPA |
| children; Europe; Personal care | Danish Environmental Protection Agency | Danish EPA |
| children; Europe; Personal care | Danish Environmental Protection Agency | Danish EPA |
| children; Europe; Personal care | Danish Environmental Protection Agency | Danish EPA |
| detected; Europe; Personal care - sexual wellness | Danish Environmental Protection Agency | Danish EPA |
| detected; Europe; Personal care - sexual wellness | Danish Environmental Protection Agency | Danish EPA |
| detected; MN Chemical Screening; surface_water | Minnesota Pollution Control Agency | State of Minnesota |
| detected; Europe; Personal care - specialized bath products - bubble bath | Danish Environmental Protection Agency | Danish EPA |
| Europe; Personal care - hair styling and care - shampoo-dandruff | Danish Environmental Protection Agency | Danish EPA |
Toxicology endpoints rendered from public NOAEL study rows.
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| 26.8229513775814 | uM | AC50 | - | - | NTP_ICE_endocrine |
| 100000 | nM | AC50/EC50/IC50 | - | - | NTP_ICE_endocrine |
| 111000 | nM | AC50/EC50/IC50 | - | - | NTP_ICE_endocrine |
| 12.7721629015894 | uM | ACC | - | - | NTP_ICE_endocrine |
| <=10 | mg/kg | ADI | oral | Human | ToxValDB_WHO_JECFA_ADI |
| <=10 | mg/kg bw/day | ADI (group) | - | Consumers | EFSA_OpenFoodTox_EFSA_ReferenceValues.xlsx |
| <=10 | mg/kg bw/day | ADI (group) | - | Consumers | EFSA_OpenFoodTox_EFSA_ReferenceValues.xlsx |
| 57.24 | uL/min/10^6 cells | Clint | - | Human | NTP_ICE_adme_parameters |
| 126 | uL/min/10^6 cells | Clint | - | Rat | NTP_ICE_adme_parameters |
| =173 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB_GESTIS_DNEL |
| 24800 | nM | EC50 | - | - | NTP_ICE_endocrine |
| 14255EXE39 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 14255EXE39 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 14255EXE39 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 14255EXE39 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 0.1057 | fraction | Fu | - | Human | NTP_ICE_adme_parameters |
| 0.1275 | fraction | Fu | - | Rat | NTP_ICE_adme_parameters |
| 39800 | nM | IC01 | - | - | NTP_ICE_endocrine |
| >3100 | mg/kg bw | LD50 | oral | Rat | NTP_ICE_acute_oral |
| =4300 | mg/kg bw | LD50 | oral | Rat (Female) | NTP_ICE_acute_oral |
| =11000 | mg/kg bw | LD50 | oral | Rat | NTP_ICE_acute_oral |
| =6 | mg/kg bw/day | LEL | injection | Mouse | ToxValDB_Uterotrophic_Hershberger_DB |
| =18 | mg/kg bw/day | LEL | injection | Mouse | ToxValDB_Uterotrophic_Hershberger_DB |
| =60 | mg/kg bw/day | LEL | injection | Mouse | ToxValDB_Uterotrophic_Hershberger_DB |
| =180 | mg/kg bw/day | LEL | injection | Rat | ToxValDB_Uterotrophic_Hershberger_DB |
| =4000 | mg/kg bw/day | LOAEL | oral | Rabbit | ToxValDB_ECHA_IUCLID |
| 180 | mg/kg bw/day | LOEL | Subcutaneous | Rat | NTP_ICE_endocrine |
| - | unitless | Model Score | - | - | NTP_ICE_endocrine |
| 0.0864 | unitless | Model Score | - | - | NTP_ICE_endocrine |
| >300 | mg/kg bw/day | NOAEL | oral | Hamster | ToxValDB_ECHA_IUCLID |
| >=900 | mg/kg bw/day | NOAEL | oral | Rat | ToxValDB_ECHA_IUCLID |
| >=1000 | mg/kg bw/day | NOAEL | oral | Dog | ToxValDB_ECHA_IUCLID |
| =1030 | mg/kg bw/day | NOAEL | - | Rat | EFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx |
| =1030 | mg/kg bw/day | NOAEL | - | Rat | EFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx |
| =1043 | mg/kg bw/day | NOAEL | oral | Rat | ToxValDB_ECHA_IUCLID |
| =1043 | mg/kg bw/day | NOAEL | oral | Rat | ToxValDB_EFSA |
| =1043 | mg/kg bw/day | NOAEL | - | Rat | EFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx |
| =1043 | mg/kg bw/day | NOAEL | - | Rat | EFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx |
| =1043 | mg/kg bw/day | NOAEL | - | Rat | EFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx |
| <=1200 | mg/kg bw/day | NOAEL | oral | Rat | ToxValDB_ECHA_IUCLID |
| =2000 | mg/kg bw/day | NOEL | oral | Mouse | ToxValDB_ECOTOX |
| 52 | % | Relative potency | - | - | NTP_ICE_endocrine |
| 98 | % | Uterine weight increase vs control | Subcutaneous | Rat | NTP_ICE_endocrine |
Showing 43 of 43 studies
Registration status from the ECHA REACH registered substances database.
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Ethyl 4-hydroxybenzoate | 204-399-4 | 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 food additive, ADI, and GRAS records where available.
E214 — ADI: 10 mg/kg bw
View full food safety profile →Same-CAS cannabis compliance and lab records where available.
1 cannabis record found in efsa substances.
View full cannabis profile →Ethylparaben has 43 NOAEL studies in the database. The lowest reported value is 0 unitless. Source: NTP_ICE_endocrine.
Ethylparaben appears on 25 regulatory/inventory lists including active_ingredient; Europe; Pesticides, IFRA Transparency, Europe, and 22 more. Source: EPA CPDat.
Yes, Ethylparaben is also indexed as a cosmetic ingredient under the name Ethylparaben. 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, CosIng / Ingredients DB, ChEMBL / DailyMed, EFSA / FDA GRAS, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.
Ethylparaben is classified GHS Danger (H304, H315, H317, H319, H401) in the chemicals database but is restricted in EU cosmetics at max 0.4% as acid in finished product; 0.8% cap for total paraben mixture.
Ethylparaben also appears in cosmetics, pharmaceutical, food safety, cannabis databases.