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Sodium phosphate, monobasic, dihydrate

CAS 13472-35-0

Also registered as 1 other CAS number

53807-02-6

Sodium phosphate, monobasic, dihydrate chemical structure

Concern score

Not assessed — no hazard data yet.

Sodium phosphate, monobasic, dihydrate in plain language

What it is

Also known as Sodium dihydrogen phosphate dihydrate · Sodium phosphate monobasic (dihydrate) · Monobasic sodium phosphate dihydrate · Phosphoric acid, monosodium salt, dihydrate · Sodium phosphate dihydrate · Sodium dihydrogen phosphate--water (1/1/2)

Show all 16 names

sodium;dihydrogen phosphate;dihydrate · H6NaO6P · Monosodium dihydrogen phosphate dihydrate · Monosodium phosphate dihydrate · Phosphoric acid, monosodium salt, dihydrate (9CI) · Sodium Dihydrogen Orthophosphate dihydrate · Sodium phosphate (NaH2PO4) dihydrate · UNII-5QWK665956 · phosphoric acid, sodium salt, hydrate (1:1:2) · sodium dihydrogenphosphate dihydrate

What it does

We don't have a plain-language description for Sodium phosphate, monobasic, dihydrate yet.

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Sodium phosphate, monobasic, dihydrate appears in these published regulatory listings.

  • In marketed US drugs
  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Pharma
  • Food
  • Industrial
  • USFDAinactive ingredient database13 entries — 7 administration routes
    • Route: INTRAMUSCULAR; Dosage form: INJECTION; Potency: 12.8 mgSource →
    • Route: INTRATHECAL; Dosage form: INJECTION, SOLUTION; Potency: 0.01 %w/vSource →
    • Route: INTRAVENOUS; Dosage form: INJECTION; Potency: 12.8 mgSource →
    • Route: INTRAVENOUS; Dosage form: INJECTION, POWDER, FOR SOLUTION; Potency: 1.6 mgSource →
    • Route: INTRAVENOUS; Dosage form: INJECTION, SOLUTION; Maximum daily exposure: 115 mgSource →
    • Route: OPHTHALMIC; Dosage form: SOLUTION; Maximum daily exposure: 2 mgSource →
    • Route: OPHTHALMIC; Dosage form: SOLUTION/ DROPS; Potency: 1.15 %w/vSource →
    • Route: ORAL; Dosage form: SOLUTION; Maximum daily exposure: 63 mgSource →
    • Route: ORAL; Dosage form: SUSPENSION; Maximum daily exposure: 140 mgSource →
    • Route: SUBCUTANEOUS; Dosage form: INJECTION; Potency: 0.3 %w/vSource →
    • Route: SUBCUTANEOUS; Dosage form: INJECTION, POWDER, LYOPHILIZED, FOR SOLUTION; Potency: 1.3 mgSource →
    • Route: SUBCUTANEOUS; Dosage form: INJECTION, SOLUTION; Potency: 0.3 %w/vSource →
    • Route: TOPICAL; Dosage form: GEL; Potency: 0.02 %w/wSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 4 composition records across product categories including Food and drug, Laboratory supplies.
    • EPA CPDat observed this chemical in 4 composition records across product categories including Food and drug, Laboratory supplies.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 3 active drug products and 3 total products.
    • FDA NDC lists this ingredient in 3 active drug products and 3 total products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Sodium phosphate, monobasic, dihydrate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    No JECFA evaluation on file.

  • EFSA

    European Food Safety Authority

    No EFSA opinion on file.

Evidence & sources

No graded research studies for Sodium phosphate, monobasic, dihydrate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

7 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated 2019-02-27

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA Inactive Ingredient Database

    regulatory · updated 2026-01-09

    Open →

  • FDA National Drug Code Directory

    regulatory · updated 2026-12-31

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Sodium phosphate, monobasic, dihydrate in a product composition. These are source records, not Greenveil catalog products.

Source records

4

Food and drugLaboratory supplies
See products using Sodium phosphate, monobasic, dihydrate →

Catalog

Found in these products

Their ingredient lists include Sodium phosphate, monobasic, dihydrate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 1 →Find products without it →