Baby Safety / Compounds / Dicalcium phosphate

Is Dicalcium phosphate safe for babies and kids?

Moderate risk for kids

Infants are more vulnerable to Dicalcium phosphate 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 dicalcium phosphate?

The IUPAC name is calcium hydrogen phosphate.

Also known as: calcium hydrogen phosphate, Calcium phosphate dibasic, calcium hydrogenphosphate, Dibasic calcium phosphate.

IUPAC name
calcium hydrogen phosphate
CAS number
7757-93-9
Molecular formula
CaHO4P
Molecular weight
136.06 g/mol
SMILES
[Ca++].OP([O-])([O-])=O
PubChem CID
24441

Risk for babies

Moderate risk

Infants are more vulnerable to Dicalcium phosphate 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.

Risk for pregnant and nursing people

Context-dependent

Pregnancy alters the metabolism and distribution of Dicalcium phosphate, potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

No specific reproductive toxicity data identified, but pregnancy-specific safety data is limited for most chemicals. Precautionary minimization of exposure is recommended.

What to do: Minimize exposure during pregnancy and lactation. Consult healthcare provider regarding specific risks. Consider alternative products with lower hazard profiles.

Regulatory consensus

1 regulatory bodyhas classified Dicalcium phosphate.

AgencyYearClassificationNotes
EPA CTX / GenetoxGenotoxicity: negative (Ames: negative, 0 positive / 5 negative reports)

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 dicalcium phosphate

  • Consumer ProductsToothpaste, Dietary supplements, Pharmaceutical tablets

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Dicalcium phosphate:

  • Physical/mechanical pest control (IPM)
    Trade-offs: More labor-intensive. May not be sufficient for severe infestations.
    Relative cost: 1.2-2×

Frequently asked questions

Is dicalcium phosphate safe for kids?

Infants are more vulnerable to Dicalcium phosphate 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 dicalcium phosphate?

Dicalcium phosphate appears in: Toothpaste (Consumer products); Dietary supplements (Consumer products).

What should I do if my child is exposed to dicalcium phosphate?

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.

See Dicalcium phosphate in the baby app

Look up products containing dicalcium phosphate, compare to alternatives, and explore the full data record.

Open in baby View raw API data

Sources (3)

  1. PubChem Compound CID 24441 — database
  2. EPA CompTox Chemicals Dashboard — DTXSID20872529 — epa
  3. ATSDR Toxicological Profile — CAS 7757-93-9 — reference

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