EFSA toxicology reference values
Tertiary-butyl hydroquinone (TBHQ)
Tertiary-butyl hydroquinone (TBHQ) (CAS 1948-33-0). Cannabis testing data across 0 states. Action levels when present, testing requirements, compliance status.
Tertiary-butyl hydroquinone (TBHQ) is a cannabis analyte contaminant represented in the cannabis public dataset.
Substance Identity
Analyte identity and classification used for this cannabis substance page.
Contaminant Class Badge
Color-coded cannabis class signal for scanning pesticide, metal, solvent, mycotoxin, and potency pages.
Dataset Snapshot
Compact public-data summary for page quality, state coverage, lab rows, and potency sample groups.
EFSA Substance Identity
EFSA substance identity rows matched by chemical name or CAS.
EFSA Reference Values
Reference values from efsa_reference_values_v2 for toxicology and food-safety context.
| Descriptor | Value | Population | Endpoint | Body |
|---|---|---|---|---|
| ADI | 0.7 mg/kg bw/day | consumers | 68b49cc9-108a-4eab-bde6-34dc553a15bf | - |
| ADI | - mg/kg bw/day | consumers | 68b49cc9-108a-4eab-bde6-34dc553a15bf | - |
EFSA Study Results
Endpoint-level study rows from efsa_study_results matched to this substance.
| Endpoint | Species | Route | Effect | Assessment |
|---|---|---|---|---|
| chronic toxicity: oral | dog | oral: feed | 72 other: | - |
| Carcinogenicity_EU_PPP | - | - | - | The Commission asks EFSA to issue an opinion on the safety in use of TBHQ (tertiarybutylhydroquinone) in fats and oils used for human consumption. |
| Carcinogenicity_EU_PPP | - | - | - | Following a request from the European Commission (EC), the Panel on Food Additives and Nutrient Sources added to Food (ANS) was asked to deliver a scientific opinion re-evaluating the safety of tertiary-butyl hydroquinone (TBHQ) (E 319) when used as a food additive. TBHQ (E 319) is authorised as a food additive in the European Union (EU) in accordance with Annex II and Annex III to Regulation (EC) No 1333/2008. |
| Genetic Toxicity | - | - | - | Following a request from the European Commission (EC), the Panel on Food Additives and Nutrient Sources added to Food (ANS) was asked to deliver a scientific opinion re-evaluating the safety of tertiary-butyl hydroquinone (TBHQ) (E 319) when used as a food additive. TBHQ (E 319) is authorised as a food additive in the European Union (EU) in accordance with Annex II and Annex III to Regulation (EC) No 1333/2008. |
| Genetic Toxicity | - | - | - | The Commission asks EFSA to issue an opinion on the safety in use of TBHQ (tertiarybutylhydroquinone) in fats and oils used for human consumption. |
Cross-Reference to Chemicals / Cosmetics / Food
Internal cross-vertical links connecting cannabis rows to chemical, cosmetics, and EFSA food/toxicology context.
Frequently Asked Questions
FAQ answers are generated from the same fetched cannabis, EFSA, cosmetics, and chemical rows rendered above.
What is the regulatory limit for Tertiary-butyl hydroquinone (TBHQ) in cannabis?
Tertiary-butyl hydroquinone (TBHQ) does not have a numeric cannabis_contaminant_tests range in the fetched page data. The current page query does not expose a separate action-limit column.
Which states test for Tertiary-butyl hydroquinone (TBHQ)?
Tertiary-butyl hydroquinone (TBHQ) does not have state-level cannabis testing rows in the fetched page data.
What are the EFSA reference values for Tertiary-butyl hydroquinone (TBHQ)?
Tertiary-butyl hydroquinone (TBHQ) has 2 EFSA OpenFoodTox reference value rows in the cannabis database, including ADI.
Is Tertiary-butyl hydroquinone (TBHQ) also regulated in cosmetics or food?
Tertiary-butyl hydroquinone (TBHQ) has a cosmetics ingredient cross-reference with EU status permitted. EFSA food/toxicology context is available on this page.