Methenamine (E239) — ADI 0.15 mg/kg bw | Food Safety Data

SOURCE D1 identity resolution e number aliases | Food Additives | dsstox identifiers | 8 matched regulatory source group(s)

Substance Identity

Resolved identifiers used to render this food-safety record.

Substance name

Methenamine

CAS

100-97-0

E-number

E239

DTXSID

DTXSID6020692

PubChem CID

4101

Evidence tier

Indexable evidence set (10)

SOURCE EU Commission FDA | Health Canada | Codex Alimentarius

Multi-Jurisdiction Comparison

Side-by-side status rows for the same resolved substance across public food regulators.

Jurisdiction	Authority	Status	Evidence
European Union	EU Commission	PUBLISHED	EU additive listing; Annex II entry
Codex	Codex Alimentarius	Listed	Preservative

SOURCE EU Commission EU Food Additives | EU Food Additives Database

EU Food Additive Status

EU Commission food-additive listing rows from eu_food_additives.

Jurisdiction	E-number	Status	Type	Name	Note
European Union	E239	PUBLISHED	substanceFAD	Hexamethylene tetramine	-

SOURCE EU Commission EU Annex II Authorised | EU Food Additives Database

EU Annex II Authorised Uses

Authorised additive rows and use conditions from EU Annex II tables.

Jurisdiction	E-number	Name	INS	Policy item	Note
European Union	E239	Hexamethylene tetramine	-	POL-FAD-IMPORT-3054	-

Conditions and restrictions

Jurisdiction	Food category	Restriction	Comment	Source
European Union	1.7.2 ripened cheese	ML 25 mg/kg	residual amount, expressed as formaldehyde. only Provolone cheese	EU Food Additives Database

SOURCE Codex Alimentarius Codex GSFA

Codex GSFA Status

Codex Alimentarius GSFA permissions and maximum-use rows.

Jurisdiction	INS / E-number	Function	Food category	Max level	Notes
Codex	239	Preservative	01.6.2.1 Ripened cheese, includes rind	25 mg/kg	Excluding products conforming to the Standard for Brie (CXS 277-1973).; Excluding products conforming to the Standard for Provolone (CXS 272-1968).; Excluding products conforming...

SOURCE EU Commission EU Food Contact Materials

EU FCM Substances

EU food-contact material rows and migration-limit fields.

Jurisdiction	FCM no.	Ref no.	Substance	Use	SML	Regulation
European Union	196	18670	hexamethylenetetramine	additive/PPA, monomer/macromolecule	-	Regulation (EU) No 10/2011, Annex I

SOURCE JECFA JECFA ADI

JECFA ADI Values

JECFA ADI records and evaluation years.

Jurisdiction	Chemical name	JECFA no.	CAS	ADI	ADI upper	Function	Evaluation year
JECFA	HEXAMETHYLENETETRAMINE	-	100-97-0	0-0.15 mg/kg bw	0.15	PRESERVATIVE	1973
JECFA	METHENAMINE	-	-	no_data	-	-	1973

SOURCE ingredients ghs classifications

Cross-Reference to Cosmetics / Chemicals / Pharma

Same-CAS public rows from adjacent Roots verticals where available.

SOURCE Cross-vertical comparison ingredients | ghs classifications

Cross-Vertical Regulatory Divergence

This substance has different regulatory treatment across food, cosmetics, and industrial use.

CosmeticsMethenamineEU status: restricted Industrial / GHSDangerHazardous Chemical Information System (HCIS), Safe Work Australia

SOURCE FAQPage JSON-LD public food renderer rows

Frequently Asked Questions

Food-use, safety, ADI, and cross-vertical answers mirrored into FAQPage JSON-LD.

What is Methenamine used for in food?

Methenamine appears in food-use rows as: Preservative; Preservative.

Is Methenamine / E239 safe?

This page does not assign a standalone safety verdict; it renders public regulatory evidence. ADI/reference value: ADI 0.15 mg/kg bw. EU status evidence: PUBLISHED. US/FDA evidence: Restricted.

What is the ADI for Methenamine?

Methenamine has this ADI/reference value in the food-safety tables: ADI 0.15 mg/kg bw. Source: EFSA.

Is Methenamine also used in cosmetics?

Methenamine has a same-CAS cosmetics cross-reference: Methenamine, EU status restricted.

MethenamineE239