Danger GHS03GHS06 NOAEL Data REACH Registered Cosmetic Ingredient

Potassium chlorate

Also known as: Chlorate of potash, Chlorate of potassium, EINECS 223-289-7, NSC 68505, Oxymuriate of potash (+5 more)

CAS 3811-04-9

Potassium chlorate (CAS 3811-04-9) is a chemical substance with GHS signal word Danger; key hazard signal: H271; H301. Key regulatory status: REACH registered, 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from ECHA CLP, EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, ILO ICSC.

View cosmetic safety profile for Potassium Chlorate →

Cross-Vertical Regulatory Divergence

Potassium chlorate is classified GHS Danger (H271, H301) in the chemicals database but is restricted in EU cosmetics at max 5%.

SOURCE Cross-vertical comparison Cosmetics: ingredients.eu_status/eu_max; Chemicals: eu_clp_annex_vi.signal_word/hazard_statement_code

SOURCE noael studies public

NOAEL studies

SOURCE chemical inventory jurisdictions

Regulatory lists

SOURCE eu clp annex vi

GHS signal

Danger

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 16 fields

Name

Potassium chlorate

CAS Number

3811-04-9

DTXSID

DTXSID6047448

Molecular Formula

ClHO3.K

InChI Key

VKJKEPKFPUWCAS-UHFFFAOYSA-M

Monoisotopic Mass

122.925128

Synonyms

Chlorate of potashChlorate of potassiumEINECS 223-289-7NSC 68505Oxymuriate of potashPotash chlorateSalt of tarterUNII-H35KS68EE7Chloric acid potassium salt (1:1)Kaliumchloraat

GHS / CLP Classification

EU harmonized hazard classification, hazard statements, pictograms, and signal word.

SOURCE EU CLP Annex VI (ECHA) 1 classifications

Hazard Class	H-Statements	Pictograms	Signal
Ox. Sol. 1; Acute Tox. 3	H271; H301	GHS03; GHS06	Danger

ICSC Chemical Safety

International Chemical Safety Card hazard and exposure summary.

SOURCE ILO/WHO International Chemical Safety Cards 1 records

Field	Value
GHS Signal Word	DANGER
GHS Hazard Statements	May cause fire or explosion; strong oxidizer Harmful if swallowed or if inhaled Causes damage to blood May cause damage to blood through prolonged or repeated exposure Toxic to aquatic life with long lasting effects
Short-term Effects	The substance is irritating to the respiratory tract. The substance may cause effects on the blood and kidneys. This may result in haemolysis, the formation of methaemoglobin and kidney impairment. The effects may be delayed. Medical observation is indicated.
Long-term Effects	The substance may have effects on the blood. This may result in the formation of methaemoglobin.
Routes of Exposure	The substance can be absorbed into the body by ingestion and by inhalation of dust.

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 1 records

Oxidizing agent

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 1 records

List	Keyword	Source
inert_ingredient; non_food_use; Pesticides	EPA	CPCat

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 7 of 7 studies

Value	Unit	Endpoint	Route	Species	Source
=0.7	mg/m3	DNEL systemic	inhalation	Human	ToxValDB_GESTIS_DNEL
H35KS68EE7	UNII	FDA UNII substance identifier	-	-	openFDA substances
H35KS68EE7	UNII	FDA UNII substance identifier	-	-	openFDA substances
H35KS68EE7	UNII	FDA UNII substance identifier	-	-	openFDA substances
H35KS68EE7	UNII	FDA UNII substance identifier	-	-	openFDA substances
>5.1	mg/L	LC50	Inhalation	-	NTP_ICE_acute_inhalation
-	unitless	Model Score	-	-	NTP_ICE_endocrine

Showing 7 of 7 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records

Status	Name	EC Number	Link
Registered	Potassium chlorate	223-289-7	ECHA overview →

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records

Inventory Status

listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB

EU Status

restricted

Max

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL CHEMBL3188561

ChEMBL Phase

Not listed

Adverse Events

776

Bioactivity

View full pharmaceutical profile →

Frequently Asked Questions

What is the GHS hazard classification for Potassium chlorate?

Potassium chlorate (CAS 3811-04-9) is classified under EU CLP Annex VI as Ox. Sol. 1; Acute Tox. 3 with signal word Danger. Hazard statements: H271; H301. Source: EU CLP Annex VI (ECHA).

What is the NOAEL for Potassium chlorate?

Potassium chlorate has 7 NOAEL studies in the database. The lowest reported value is 0.7 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.

What regulatory lists include Potassium chlorate?

Potassium chlorate appears on 1 regulatory/inventory list including inert_ingredient; non_food_use; Pesticides. Source: EPA CPDat.

Is Potassium chlorate used in cosmetics?

Yes, Potassium chlorate is also indexed as a cosmetic ingredient under the name Potassium Chlorate. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for Potassium chlorate come from?

Safety data is sourced from ECHA CLP Annex VI, EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, ILO/WHO ICSC, CosIng / Ingredients DB, ChEMBL / DailyMed. All data traces to primary regulatory sources and is updated from official government databases.

Does Potassium chlorate have different safety status in cosmetics vs industrial chemicals?

Potassium chlorate is classified GHS Danger (H271, H301) in the chemicals database but is restricted in EU cosmetics at max 5%.

Is Potassium chlorate used outside industrial chemicals?

Potassium chlorate also appears in cosmetics, pharmaceutical databases.