Baby Safety / Compounds / Tetrasodium EDTA (Na4EDTA / Edetate sodium / cosmetic chelator)

Is Tetrasodium EDTA (Na4EDTA / Edetate sodium / cosmetic chelator) safe for babies and kids?

Moderate risk for kids

Not medical or professional safety advice, and not a substitute for a qualified clinician — consult one. Full disclaimer →

Infants are more vulnerable to Tetrasodium EDTA (Na4EDTA / Edetate sodium / cosmetic chelator) than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

What is tetrasodium edta (na4edta / edetate sodium / cosmetic chelator)?

The IUPAC name is tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate.

Also known as: Sodium edetate, Edetate sodium, EDTA tetrasodium, EDTA sodium.

IUPAC name
tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate
CAS number
64-02-8
Molecular formula
C10H12N2Na4O8
Molecular weight
380.17 g/mol
SMILES
C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)[O-])CC(=O)[O-].[Na+].[Na+].[Na+].[Na+]
PubChem CID
6144

Risk for babies

Moderate risk

Infants are more vulnerable to Tetrasodium EDTA (Na4EDTA / Edetate sodium / cosmetic chelator) than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

Neonates and infants up to 12 months have incomplete blood-brain barrier development, immature Phase I/II metabolic enzymes (particularly CYP3A4, UGT1A1), and higher gastrointestinal permeability. Equivalent doses produce higher internal concentrations and longer residence times.

What to do: Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

Regulatory consensus

2 regulatory and scientific bodies have classified Tetrasodium EDTA (Na4EDTA / Edetate sodium / cosmetic chelator). The classifications differ — that's the data.

AgencyYearClassificationNotes
EU—Permitted in cosmetics; no specific restriction
ECHA—H318 serious eye damage; H302 harmful if swallowed

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where kids encounter tetrasodium edta (na4edta / edetate sodium / cosmetic chelator)

  • Personal Care — shampoo, conditioner, body wash, facial cleanser, liquid hand soap
  • Cleaning Products — all-purpose cleaners, bathroom cleaners, laundry detergent
  • Cosmetics — foundation, mascara, eye cream, moisturizer
  • Industrial — CIP cleaning solutions, metal surface treatment

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Tetrasodium EDTA (Na4EDTA / Edetate sodium / cosmetic chelator):

  • GLDA
    Trade-offs: Alternative chelating agent; stability constants for target metal ions differ; biodegradability varies (EDTA poorly biodegradable, citrate fully biodegradable); downstream water treatment impact should be assessed.
  • Sodium phytate
    Trade-offs: Consumer preference for 'natural' label; many natural fragrance compounds are potent allergens (limonene, linalool, eugenol); 'natural' ≠ 'safe'; often more expensive than synthetic equivalents.

Frequently asked questions

Is tetrasodium edta (na4edta / edetate sodium / cosmetic chelator) safe for kids?

Infants are more vulnerable to Tetrasodium EDTA (Na4EDTA / Edetate sodium / cosmetic chelator) than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

What products contain tetrasodium edta (na4edta / edetate sodium / cosmetic chelator)?

Tetrasodium EDTA (Na4EDTA / Edetate sodium / cosmetic chelator) appears in: shampoo (personal care); conditioner (personal care); all-purpose cleaners (cleaning products); bathroom cleaners (cleaning products); foundation (cosmetics).

What should I do if my child is exposed to tetrasodium edta (na4edta / edetate sodium / cosmetic chelator)?

Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

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Sources (1)
  1. — expert_curation

Reference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for medical, pediatric, legal, or regulatory advice. Why we built ALETHEIA →