1/9
Potassium permanganate,JUNSEI CHEMICAL CO., LTD.,24165jis_E-3,26/03/2021
Date of issue for the 1st edition : 02/10/2014
Date of revision : 26/03/2021

Safety Data Sheet

1. Identification of the substance/mixture and of the company/undertaking
Product identifier:Product name: Potassium permanganate
Reference number(SDS):24165jis_E-3
Product type：
Reagent
Details of the supplier of the safety data sheet
Manufacturer/Supplier: JUNSEI CHEMICAL CO., LTD.
Address: 1-6, Ohmano-cho, Koshigaya-shi, Saitama 343-0844, Japan
Division: Quality Assurance Department
Telephone number: +81-48-986-6161
FAX: +81-48-989-2787
e-mail address: shiyaku-t@junsei.co.jp

2. Hazards identification
GHS classification and label elements of the product
Classification of the substance or mixture
PHYSICAL AND CHEMICAL HAZARDS
Oxidizing solids: Category 2
HEALTH HAZARDS
Acute toxicity (Oral): Category 4
Skin corrosion/irritation: Category 1
Serious eye damage/eye irritation: Category 1
Germ cell mutagenicity: Category 2
Reproductive toxicity: Category 2
Specific target organ toxicity - single exposure: Category 3 (Respiratory tract irritation)
Specific target organ toxicity - repeated exposure: Category 1(nervous system, respiratory system)
ENVIRONMENT HAZARDS
Hazardous to the aquatic environment (Acute): Category 1
Hazardous to the aquatic environment (Long-term): Category 1(Note) GHS classification without description: Not classified/Classification not possible
Label elements

Signal word: Danger
HAZARD STATEMENT
H272-May intensify fire; oxidizer
H302-Harmful if swallowed
H314-Causes severe skin burns and eye damage
H318-Causes serious eye damage
H341-Suspected of causing genetic defects
H361-Suspected of damaging fertility or the unborn child
H335-May cause respiratory irritation
H372-Causes damage to organs through prolonged or repeated exposure
H400-Very toxic to aquatic life
H410-Very toxic to aquatic life with long lasting effects

2/9
Potassium permanganate,JUNSEI CHEMICAL CO., LTD.,24165jis_E-3,26/03/2021
PRECAUTIONARY STATEMENT
Prevention
Obtain special instructions before use.
Do not handle until all safety precautions have been read and understood.
Avoid release to the environment.
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Keep/Store away from clothing/combustible materials.
Do not breathe dust/fume/gas/mist/vapors/spray.
Use only outdoors or in a well-ventilated area.
Wash contaminated parts thoroughly after handling.
Wear protective gloves/protective clothing/eye protection/face protection.
Use personal protective equipment as required.
Do not eat, drink or smoke when using this product.
Response
In case of fire: Use appropriate media other than water for extinction.
Collect spillage.
Get medical advice/attention if you feel unwell.
IF exposed or concerned: Get medical advice/attention.
Immediately call a POISON CENTER or doctor/physician.
Call a POISON CENTER or doctor/physician if you feel unwell.
IF INHALED: Remove person to fresh air and keep comfortable for breathing.
IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
Wash contaminated clothing before reuse.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if
present and easy to do. Continue rinsing.
IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
Storage
Store in a well-ventilated place. Keep container tightly closed.
Store locked up.
Disposal
Dispose of contents/container in accordance with local/national regulation.
Specific Physical and Chemical hazards
Oxidizing material. Organic or combustible material may catch fire in contact with it.

3. Composition/information on ingredients
Mixture/Substance selection:
Substance
Ingredient name:Potassium permanganate
Content (%):99.3 <Chemical formula:KMnO4
Chemicals No, Japan:1-446
CAS No.:7722-64-7
MW:158.03
PRTR law No, Japan:1-412
ECNO:231-760-3

4. First-aid measures
Descriptions of first-aid measures
General measures
Get medical attention/advice if you feel unwell.
Immediately call a POISON CENTER or doctor/physician.

3/9
Potassium permanganate,JUNSEI CHEMICAL CO., LTD.,24165jis_E-3,26/03/2021
Keep victim warm and quiet.
Call emergency medical service.
IF INHALED
Remove person to fresh air and keep comfortable for breathing.
Give artificial respiration if victim is not breathing.
Administer oxygen if breathing is difficult.
Call a POISON CENTER or doctor/physician if you feel unwell.
IF ON SKIN (or hair）
Take off immediately all contaminated clothing. Rinse skin with water/shower.
If skin irritation or rash occurs: Get medical advice/attention.
IF IN EYES
Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy
to do. Continue rinsing.
If eye irritation persists: Get medical advice/attention.
IF SWALLOWED
Rinse mouth. Do NOT induce vomiting.
If within a few minutes after ingestion, one small glass of water may be given to drink.
Call a POISON CENTER or doctor/physician if you feel unwell.
Most important symptoms and effects, both acute and delayed(Symptoms when inhalation or ingestion)
Nausea. Abdominal pain. Diarrhoea. Cough. Burning sensation. Sore throat. Shortness of breath.
Laboured breathing. Vomiting. Shock or collapse.
※When inhaling：Symptoms may be delayed.
(Symptoms when skin and/or eye contact)
Conjunctival redness of the eyes. Redness of the skin. Pain. Severe burns.

5. Fire-fighting measures
Extinguishing media
Suitable extinguishing media
Use appropriate extinguishing media suitable for surrounding facilities.
Not combustible but enhances combustion of other substances.
Unsuitable extinguishing media
Dry chemicals. Foams.
Specific hazards arising from the substance or mixture
Containers may explode when heated.
Fire may produce irritating, corrosive and/or toxic gases.
Runoff from fire control or dilution water may cause pollution.
Advice for firefighters
Specific fire-fighting measures
Evacuate non-essential personnel to safe area.
Special protective equipment and precautions for fire-fighters
Wear fire/flame resistant/retardant clothing.
Wear protective gloves/protective clothing/eye protection/face protection.
Firefighters should wear self-contained breathing apparatus with full face peace operated
positive pressure mode.

6. Accidental release measures
Personnel precautions, protective equipment and emergency procedures
Keep unauthorized personnel away.
In case of contact with substance, immediately flush skin or eyes with running water for atleast 20 minutes.
Ventilate area until material pick up is complete.

4/9
Potassium permanganate,JUNSEI CHEMICAL CO., LTD.,24165jis_E-3,26/03/2021
Wear proper protective equipment.
PUBLIC SAFTY: Ventilate closed spaces before entering.
Environmental precautions
Avoid release to headsprings, rivers, lakes, ocean and groundwater.
Runoff may create fire or explosion hazard.
Methods and materials for containment and cleaning up
With clean shovel place material into clean, dry container and cover loosely; movecontainers from spill area.
Do NOT absorb in saw-dust or other combustible absorbents.
Preventive measures for secondary accident
Collect spillage.
Stop leak if you can do it without risk.
Keep combustibles (wood, paper, oil, etc.) away from spilled material.
Keep out of low areas.

7. Handling and storage
Precautions for safe handling
Preventive measures(Exposure Control for handling personnel)
Do not breathe dust/fume/gas/mist/vapors/spray.
(Protective measures against fire and explosion)
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Keep/Store away from clothing/combustible materials.
(Exhaust/ventilator)
Exhaust/ventilator should be available.
(Safety treatments)
Avoid contact with skin.
Avoid contact with eyes.
Safety Measures
Obtain special instructions before use.
Do not handle until all safety precautions have been read and understood.
Use only outdoors or in a well-ventilated area.
Wear protective gloves/protective clothing/eye protection/face protection.
Use personal protective equipment as required.
When using do not eat, drink or smoke.
May ignite combustibles (wood, paper, oil, clothing, etc.).
Contaminated clothing may be a fire risk when dry.
Any incompatibilities
Reducing agents, Powdered metals, Combustible substances should not be mixed with the chemicals.
Advice on general occupational hygiene
Wash contaminated parts thoroughly after handling.
Do not eat, drink or smoke when using this product.
Wash contaminated clothing before reuse.
Storage
Conditions for safe storage
Store in a well-ventilated place. Keep container tightly closed.
Keep cool. Protect from sunlight.
Store locked up.
Container and packaging materials for safe handling data is not available.
Specific end use(s)See information in Section 7.1 and 7.2 for handling and storage recommendations. See
Section 8 for exposure controls and personal protection recommendations.

5/9
Potassium permanganate,JUNSEI CHEMICAL CO., LTD.,24165jis_E-3,26/03/2021
8. Exposure controls/personal protection
Control parameters
Control value
Japan control value (2004) <= 0.2mg-Mn/m3Adopted value
JSOH(2008) 0.2mg-Mn/m3
ACGIH(2012) TWA: 0.02mg-Mn/m3(R);
TWA: 0.1mg-Mn/m3(I) (CNS impair)
Exposure controls
Appropriate engineering controls
Do not use in areas without adequate ventilation.
Eye wash station should be available.
Washing facilities should be available.
Individual protection measures
Respiratory protection
Wear respiratory protection.
Wear positive pressure self-contained breathing apparatus (SCBA).
Hand protection
Wear protective gloves.
Consult with your glove and/or personnel equipment manufacturer for selection of
appropriate compatible materials.
Eye protection
Wear chemical safety goggle.
Wear eye/face protection.
Skin and body protection
Wear impervious clothing and boots in case of repeated or prolonged treatment.

9. Physical and Chemical Properties
Information on basic physical and chemical properties
Physical state: Crystals
Color: Greenish black or purplish black
Odor: None
Odor threshold data is not available.
Melting point/Freezing point: 240℃
Boiling point or initial boiling point data is not available.
Boiling range data is not available.
Flammability (gases, liquids and solids) data is not available.
Lower and upper explosion limit/flammability limit data is not available.
Flash point data is not available.
Auto-ignition temperature data is not available.
Decomposition temperature: 240℃
Self-Accelerating Decomposition Temperature/SADT data is not available.
pH: ca. 7～9 (20 g/L, 20℃)
Dynamic viscosity data is not available.
Kinematic viscosity data is not available.
Solubility:
Solubility in water: 6.4 g/100 ml (20℃)
Solubility in solvent: Soluble in many organic solvents.
n-Octanol/water partition coefficient data is not available.
Vapor pressure data is not available.
Vapor density data is not available.
VOC data is not available.

6/9
Potassium permanganate,JUNSEI CHEMICAL CO., LTD.,24165jis_E-3,26/03/2021
Evaporation rate data is not available.
Density and/or relative density: 2.70g/cm3(20℃)
Relative vapor density (Air=1) data is not available.
Relative density of the Vapor/air - mixture at 20℃ (Air = 1) data is not available.
Critical temperature data is not available.
No Particle characteristics data is not available.

10. Stability and Reactivity
Reactivity
Runaway polymerization will not occur.
Chemical stability
Stable under normal storage/handling conditions.
Possibility of hazardous reactions
Decomposes on heating. This produces toxic gases and irritating fumes.
The substance is a strong oxidant. It reacts with combustible and reducing materials. This
generates fire and explosion hazard.
Reacts violently with powdered metals. This generates fire hazard.
Conditions to avoid
Contact with incompatible materials.
Heat.
Incompatible materials
Reducing agents, Powdered metals Combustible substances
Hazardous decomposition products
Metal oxides.

11. Toxicological InformationInformation on toxicological effects
Acute toxicity
Acute toxicity (Oral)[GHS Cat. Japan, base data]
rat LD50=379mg/kg (NITE primary risk assessment, 2008)
Labor standard law, Japan; Toxic
Potassium permanganate
Irritant properties
Skin corrosion/irritation[GHS Cat. Japan, base data]
highly corrosive (HSDB, Access on December 2014)
Serious eye damage/irritation[GHS Cat. Japan, base data]
highly corrosive (HSDB, Access on December 2014)
Allergenic and sensitizing effects data is not available.
Germ cell mutagenicity[GHS Cat. Japan, base data]
cat. 2; CICAD 12, 1999
Carcinogenicity
ACGIH-A4(2012) : Not Classifiable as a Human Carcinogen (Inorganic Mn)
Reproductive toxicity[GHS Cat. Japan, base data]
cat. 2; EHC 17, 1981; ATSDR, 2012

7/9
Potassium permanganate,JUNSEI CHEMICAL CO., LTD.,24165jis_E-3,26/03/2021
STOT
STOT-single exposure[cat.3 (resp. irrit.)][GHS Cat. Japan, base data]
respiratory tract irritation (PATTY 6th, 2012)
STOT-repeated exposure[cat.1][GHS Cat. Japan, base data]
nervous system; respiratory system (NITE primary risk assessment, 2008; ATSDR, 2012)
Aspiration hazard data is not available.

12. Ecological Information
Ecotoxicity
Aquatic toxicity
H400-Very toxic to aquatic life
H410-Very toxic to aquatic life with long lasting effects
Hazardous to the aquatic environment (Acute)[GHS Cat. Japan, base data]
Crustacea (Calanoida) LC50＝0.185mg/L/96hr (0.0765mg-Mn/L)(Risk Assessment for Chemical Substances Vol. 6 by MOE, 2008)
Water solubility
6.4 g/100 ml (20℃) (ICSC, 2003)
Persistence and degradability
Persistence and degradability data is not available.
Bioaccumulative potential
BCF < 81 (Registered chemicals data check & review, Japan))
Mobility in soil
Mobility in soil data is not available.
Other adverse effects
Ozone depleting chemical data is not available.

13. Disposal considerations
Description of waste residues and information on their safe handling and methods of disposal,
including the disposal of any contaminated packaging
Waste treatment methods
Avoid release to the environment (- if this is not the intended use).
Dispose of contents/container in accordance with local/national regulation.

14. Transport Information
UN No., UN CLASSUN No. or ID No.: 1490
UN Proper Shipping Name : POTASSIUM PERMANGANATEClass or division (Transport hazard class) : 5.1
Packing group : II
ERG GUIDE No.: 140
IMDG Code (International Maritime Dangerous Goods Regulations)
UN No.: 1490
Proper Shipping Name :POTASSIUM PERMANGANATEClass or division : 5.1
Packing group : II

8/9
Potassium permanganate,JUNSEI CHEMICAL CO., LTD.,24165jis_E-3,26/03/2021
IATA Dangerous Goods Regulations
UN No.: 1490
Proper Shipping Name POTASSIUM PERMANGANATEClass or division : 5.1
Hazard labels : Oxidizer
Packing group : II
Environmental hazards
MARPOL Annex III - Prevention of pollution by harmful substances
Marine pollutants (yes/no) : yes
MARPOL Annex V - Prevention of pollution by garbage discharge
Specific target organ toxicity - repeated exposure: cat.1
Potassium permanganate
Hazardous to the aquatic environment - acute hazard: cat.1
Potassium permanganate
Hazardous to the aquatic environment - long-term hazard: cat.1, 2
Potassium permanganate
Maritime transport in bulk according to IMO instruments
Not applicable to Maritime transport in bulk according to IMO instruments

15. Regulatory Information
Safety, health and environmental regulations/legislation specific for the substance or mixture
Chemicals listed in TSCA Inventory
Potassium permanganate
Other regulatory information
We are not able to check up the regulatory information with regard to the substances inyour country or region, therefore, we request this matter would be filled by yourresponsibility.
Regulatory information with regard to this substance in your country or in your region
should be examined by your own responsibility.
Ensure this material in compliance with federal requirements and ensure conformity to local
regulations.
Regulatory information in this section are limited to intentional ingredient(s), but does
not contain information on non-intentional ingredients or impurities which are not informedby supplier(s).
Chemical safety assessment
Advice on safe handling for this product can be found in sections 7 and 8 of this SDS.

16. Other information
GHS classification and labellingH272-Ox. Sol. 2: H272 May intensify fire; oxidizer
H302-Acute Tox. 4: H302 Harmful if swallowed
H314-Skin Corr. 1: H314 Causes severe skin burns and eye damage
H318-Eye Dam. 1: H318 Causes serious eye damage
H341-Muta. 2: H341 Suspected of causing genetic defects
H361-Repr. 2: H361 Suspected of damaging fertility or the unborn child
H335-STOT SE 3: H335 May cause respiratory irritation
H372-STOT RE 1: H372 Causes damage to organs through prolonged or repeated exposure
H400-Aquatic Acute 1: H400 Very toxic to aquatic life
H410-Aquatic Chronic 1: H410 Very toxic to aquatic life with long lasting effects
Reference Book
Globally Harmonized System of classification and labelling of chemicals, (7th revised edition, 2017), UN
Recommendations on the TRANSPORT OF DANGEROUS GOODS 20th edit., 2017 UN

9/9Potassium permanganate,JUNSEI CHEMICAL CO., LTD.,24165jis_E-3,26/03/2021
IMDG Code, 2018 Edition (Incorporating Amendment 39-18)
IATA Dangerous Goods Regulations (61th Edition) 2020
Classification, labelling and packaging of substances and mixtures (Table 3 ECNO6182012)2016 EMERGENCY RESPONSE GUIDEBOOK (US DOT)
2020 TLVs and BEIs. (ACGIH)
http://monographs.iarc.fr/ENG/Classification/index.php
JIS Z 7252 : 2019
JIS Z 7253 : 20192019 Recommendation on TLVs (JSOH)
Supplier's data/information
Chemicals safety data management system "GHS Assistant" Version 4.10 (https://www.asahi-ghs.com/)
NITE Chemical Risk Information Platform "NITE-CHRIP"(https://www.nite.go.jp/en/chem/chrip/chrip_search/systemTop)
GHS Classification Guidance for Enterprises 2019 Revised Edition (Ver. 2.0) （Mar. 2020, METI)
Definitions and Abbreviations
SDS (Safety Data Sheet)
LD50 (Lethal Dose, 50％)
LC50 (Lethal Concentration, 50％)
IARC (International Agency for Research on Cancer)
ACGIH (American Conference of Governmental Industrial Hygienists)
EPA (US Environmental Protection Agency)
NTP (US National Toxicology Program)
JSOH (Japan Society for Occupational Health)EU (European Union)
EC50 (Effective Concentration, 50％)
NOEC (No Observed Effect Concentration)
BOD (Biochemical Oxygen Demand)
COD (Chemical Oxygen Demand)
BCF (Bioconcentration Factor)anh (anhydride)
General Disclaimer
This data sheet was created based on the information we currently have and may be revised
according to new information. In addition, the precautions apply only to normal handling,
and in the case of special handling, please make adequate countermeasure to maintain yoursafety.
The data given here is based on current knowledge and experience. The purpose of thisSafety Data Sheet is to describe the products in terms of their safety requirements. The
data does not signify any warranty with regard to the products' properties.
The GHS classification data given here is based on current Japan official data (NITE
published in 2019).