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Potassium chloride

CAS 14336-88-0 · 0/100 · High conf.

Also registered as 7 other CAS numbers

12599-00-7 · 59217-68-4 · 79103-76-7 · 126415-35-8 · 1037073-81-6 · 2018280-06-1 · 7447-40-7

Potassium chloride chemical structure

Concern score

0/100Low concern — well-established and permitted without restriction (FDA GRAS; JECFA ADI not specified; EU food additive; EU CosIng).
High confidence

Potassium chloride in plain language

What it is

Also known as Kcl · Neobakasal · Sylvine · Sylvite · Acronitol · Chloropotassuril

Show all 52 names

Chlorure de potassium · Chlorvescent · Clor-K-Zaf · E 508 · Enseal · Ins NO.508 · INS-508 · K+10 · K+8 · K-Contin · K-lease · K-tab · Kaon cl · Kaon CL-10 · Klor-con · Klotrix · Kalitabs · Kaochlor · Kay Ciel · Kloren · Micro-k · Micro-k 10 · Micro-k ls · Monopotassium chloride · Muriate of potash · Potassium monochloride · Potassium(i) chloride · Pfiklor · Potassium chloride (KCl) · Potavescent · Rekawan · Slow-k · Ten-k · cloruro de potasio · muriate of potash (potassium chloride) · potassium chloride (mfr's cas #447-40-7) · potassium chloride (mfr's invalid cas no:7747-40-7) · potassium chloride ld50 (oral mouse): 383 mg/kg · Chloride (as potassium) · Halflytely component potassium chloride · Kali muriaticum · Potassium (as chloride) · Tham-e component potassium chloride · Tis-u-sol component potassium chloride · Multibic component potassium chloride · kalii chloridum

What it does

Used in cosmetics as a thickener.

  • Viscosity controlling
  • pH adjuster
  • Thickener
  • Flavouring
Is it a concern?
Low concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 1231 composition records across product categories including Laboratory supplies, Specialty occupational products, Landscape/yard.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Potassium chloride appears in these published regulatory listings.

  • In marketed US drugs
  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • Pharma
  • Food
  • Industrial
  • USFDAinactive ingredient database20 entries — 12 administration routes
    • Route: INFILTRATION; Dosage form: INJECTION; Potency: 0.3 mgSource →
    • Route: INTRAMUSCULAR; Dosage form: INJECTION; Potency: 0.4 mgSource →
    • Route: INTRAOCULAR; Dosage form: SOLUTION; Maximum daily exposure: 38 mgSource →
    • Route: INTRAVENOUS; Dosage form: INJECTION, SOLUTION; Maximum daily exposure: 330 mgSource →
    • Route: INTRAVITREAL; Dosage form: INJECTION, SUSPENSION; Potency: 0.08 %w/vSource →
    • Route: IRRIGATION; Dosage form: SOLUTION; Potency: 0.04 %w/vSource →
    • Route: NASAL; Dosage form: POWDER; Potency: NASource →
    • Route: OPHTHALMIC; Dosage form: SOLUTION; Potency: 0.22 %w/vSource →
    • Route: OPHTHALMIC; Dosage form: SOLUTION/ DROPS; Potency: 0.14 %w/vSource →
    • Route: OPHTHALMIC; Dosage form: SUSPENSION; Potency: 0.03 %w/wSource →
    • Route: ORAL; Dosage form: CAPSULE; Potency: 62 mgSource →
    • Route: ORAL; Dosage form: CAPSULE, DELAYED RELEASE; Maximum daily exposure: 2 mgSource →
    • Route: ORAL; Dosage form: POWDER; Potency: 0.18 mgSource →
    • Route: ORAL; Dosage form: SUSPENSION; Potency: NASource →
    • Route: ORAL; Dosage form: TABLET; Maximum daily exposure: 231 mgSource →
    • Route: ORAL; Dosage form: TABLET, EXTENDED RELEASE; Maximum daily exposure: 13 mgSource →
    • Route: RESPIRATORY (INHALATION); Dosage form: POWDER; Potency: 0.18 mgSource →
    • Route: TOPICAL; Dosage form: SOAP; Potency: NASource →
    • Route: INTRATHECAL; Dosage form: INJECTION, SOLUTION; Maximum daily exposure: 1 mgSource →
    • Route: INTRAVENOUS; Dosage form: INJECTION; Maximum daily exposure: 1 mgSource →
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1231 composition records across product categories including Laboratory supplies, Specialty occupational products, Landscape/yard. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Filler, Thickening agent.
    • EPA CPDat observed this chemical in 1231 composition records across product categories including Laboratory supplies, Specialty occupational products, Landscape/yard. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Filler, Thickening agent.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 584 active drug products and 622 total products.
    • FDA NDC lists this ingredient in 584 active drug products and 622 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 Potassium chloride. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

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

8 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated january 25, 2017

    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 2030-04-24

    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 →
Reference links (3)
Openfda substance

codexalimentarius.net

Read →
Openfda substance

en.wikipedia.org

Read →

Suitability

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

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Potassium chloride in a product composition. These are source records, not Greenveil catalog products.

Source records

1,231

Named organisations

6

Laboratory suppliesSpecialty occupational productsLandscape/yardFood and drugRaw materialsIndustrial products

Typical roles

Viscosity controllingpH adjusterThickenerFlavouring
See products using Potassium chloride →

Catalog

Found in these products

Cosmetic and personal-care products that list Potassium chloride are shown first. Their ingredient lists include Potassium chloride; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 157 →Find products without it →