General Information
Version
5
Revision date
2026-03-24
Product name
Potassium Persulfate
Product Synonyms
Potassium persulfate
CAS No.
7727-21-1
1.2.2. Uses advised against
Consumer use
supplier name
HACH LANGE GmbH
Emergency telephone
+44 20 3807 3798
Icons in SDS
Company Information
company name
HACH LANGE GmbH
e-mail address of the competent person responsible for the Safety Data Sheet
sds@hach.com, info-uk@hach.com, info-ie@hach.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H272, H302, H315, H317, H319, H334, H335
Hazard statements
Code
Statements
H272
May intensify fire; oxidiser
Section 2
SECTION 2: Hazards identification
Classification according to Regulation (EC) No. 1272/2008 [CLP Classification of the substance or mixture
Contains
Dipotassium peroxodisulphate
Signal word
Danger
Hazard statements
H272 - May intensify fire; oxidiser H302 - Harmful if swallowed H315 - Causes skin irritation H317 - May cause an allergic skin reaction H319 - Causes serious eye irritation H334 - May cause allergy or asthma symptoms or breathing difficulties if inhaled H335 - May cause respiratory irritation
Precautionary statements
P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P220 - Keep away from clothing and other combustible materials P261 - Avoid breathing dust/fume/gas/mist/vapours/spray P280 - Wear protective gloves/protective clothing and eye/face protection P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P333 + P313 - If skin irritation or rash occurs: Get medical advice/attention P337 + P313 - If eye irritation persists: Get medical advice/attention P342 + P311 - If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician
PBT Substances
& vPvB This substance does not meet the PBT/vPvB criteria of REACH, Annex XIII Endocrine Disruptor Information This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No. 1272/2008 [CLP] Oxidising solids Category 3 - (H272) Acute toxicity - Oral Category 4 - (H302) Skin corrosion/irritation Category 2 - (H315) Serious eye damage/eye irritation Category 2 - (H319) Respiratory sensitisation Category 1 - (H334) Skin sensitisation Category 1 - (H317) Specific target organ toxicity (single exposure) Category 3 - (H335)