What is the GHS hazard classification for Potassium cyanate?
Potassium cyanate (CAS 590-28-3) is classified under EU CLP Annex VI as Acute Tox. 4 * with signal word Warning. Hazard statements: H302. Source: EU CLP Annex VI (ECHA).
Warning
GHS07
NOAEL Data
REACH Registered
Cosmetic Ingredient
Potassium cyanate
Also known as: D & P Double O Crabgrass Killer, P.C. 80 crabgrass killer, D&P double O Crabgrass killer, Aero cyanate weedkiller, Bonide krab crabgrass killer (+13 more)
CAS 590-28-3
Potassium cyanate (CAS 590-28-3) is a chemical substance with GHS signal word Warning; key hazard signal: H302. Key regulatory status: REACH registered, cosmetic ingredient cross-reference; source data from ECHA CLP, EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.
Cross-Vertical Regulatory Divergence
Potassium cyanate is prohibited in EU cosmetics but has active industrial GHS classifications (H302).
SOURCE
Cross-vertical comparison
Cosmetics: ingredients.eu_status; Chemicals: eu_clp_annex_vi.signal_word/hazard_statement_code
SOURCE
noael studies public
NOAEL studies
8
SOURCE
chemical inventory jurisdictions
Regulatory lists
0
SOURCE
eu clp annex vi
GHS signal
Warning
Chemical Identity
CAS, identifiers, formula, and alternate names for the matched substance record.
SOURCE
DSSTox identifiers
24 fields
Name
Potassium cyanate
CAS Number
590-28-3
DTXSID
DTXSID2047692
Molecular Formula
CHNO.K
InChI Key
GKKCIDNWFBPDBW-UHFFFAOYSA-M
Monoisotopic Mass
81.96952
Synonyms
D & P Double O Crabgrass KillerP.C. 80 crabgrass killerD&P double O Crabgrass killerAero cyanate weedkillerBonide krab crabgrass killerCaswell No. 688Ded-weed crabgrass killerDupont PC crabgrass killerEINECS 209-676-3EPA Pesticide Chemical Code 068002Green cross crabgrass killerMiller P.C. weedkiller
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 |
|---|---|---|---|
| Acute Tox. 4 * | H302 | GHS07 | Warning |
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
3 records
Softener and conditioner
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 8 of 8 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| =10 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB_GESTIS_DNEL |
| G9C31TWN5M | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| G9C31TWN5M | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| G9C31TWN5M | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| G9C31TWN5M | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| =567 | mg/kg bw | LD50 | oral | Rat | NTP_ICE_acute_oral |
| =936 | mg/kg bw | LD50 | oral | Rat | NTP_ICE_acute_oral |
| =2360 | mg/kg bw | LD50 | oral | Rat | NTP_ICE_acute_oral |
Showing 8 of 8 studies
REACH Registration
Registration status from the ECHA REACH registered substances database.
SOURCE
ECHA (EU)
1 records
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Potassium cyanate | 209-676-3 | 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
prohibited
Max
-
Category
Emollient
Pharmaceutical Data
Same-CAS pharmaceutical records from drug and bioactivity sources.
SOURCE
EMBL-EBI ChEMBL
CHEMBL4079232
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
1
Frequently Asked Questions
What is the NOAEL for Potassium cyanate?
Potassium cyanate has 8 NOAEL studies in the database. The lowest reported value is 10 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.
Is Potassium cyanate used in cosmetics?
Yes, Potassium cyanate is also indexed as a cosmetic ingredient under the name Potassium Cyanate. 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 cyanate 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, CosIng / Ingredients DB, ChEMBL / DailyMed. All data traces to primary regulatory sources and is updated from official government databases.
Does Potassium cyanate have different safety status in cosmetics vs industrial chemicals?
Potassium cyanate is prohibited in EU cosmetics but has active industrial GHS classifications (H302).
Is Potassium cyanate used outside industrial chemicals?
Potassium cyanate also appears in cosmetics, pharmaceutical databases.