1/11
0.05mol/L Iodine solution,JUNSEI CHEMICAL CO., LTD.,95713jis_E-3,02/Aug/2023
Date of issue for the 1st edition : 10/Oct/2014
Date of revision : 02/Aug/2023

Safety Data Sheet

Section 1. Identification of the substance/mixture and of the company/undertaking
Product identifier:Product name: 0.05mol/L Iodine solution
Reference number(SDS):95713jis_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

Section 2. Hazards identification
GHS classification and label elements of the product
Classification of the substance or mixture
HEALTH HAZARDS
Acute toxicity (Inhalation): Category 3
Skin sensitization: Category 1
Reproductive toxicity: Category 1B
Reproductive toxicity - effects on or via lactation: Additional category
Specific target organ toxicity - single exposure: Category 2 (thyroid)
Specific target organ toxicity - repeated exposure: Category 2 (skin, thyroid, systemic toxicity)
ENVIRONMENT HAZARDS
Hazardous to the aquatic environment, short-term (acute): Category 3
Hazardous to the aquatic environment, long-term (chronic): Category 3(Note) GHS classification without description: Not classified/Classification not possible
Label elements

Signal word: Danger
HAZARD STATEMENT
H331-Toxic if inhaled
H317-May cause an allergic skin reaction
H360-May damage fertility or the unborn childH362-May cause harm to breast-fed children
H371-May cause damage to organs
H373-May cause damage to organs through prolonged or repeated exposure
H402-Harmful to aquatic life
H412-Harmful to aquatic life with long lasting effects
PRECAUTIONARY STATEMENT
Prevention
Obtain special instructions before use.
Do not handle until all safety precautions have been read and understood.
Avoid contact during pregnancy and while nursing.

2/11
0.05mol/L Iodine solution,JUNSEI CHEMICAL CO., LTD.,95713jis_E-3,02/Aug/2023
Avoid release to the environment.
Do not breathe vapors.
Use only outdoors or in a well-ventilated area.
Wash contaminated parts thoroughly after handling.
Wear protective gloves.
Contaminated work clothing should not be allowed out of the workplace.
Use personal protective equipment as required.
Do not eat, drink or smoke when using this product.
Response
Get medical advice/attention if you feel unwell.
IF exposed or concerned: Get medical advice/attention.
IF exposed or concerned: Call a POISON CENTER/doctor/physician.
IF INHALED: Remove person to fresh air and keep comfortable for breathing.
IF ON SKIN: Wash with plenty of soap and water.
If skin irritation or rash occurs: Get medical advice/attention.
Take off contaminated clothing and wash it before reuse.
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.

Section 3. Composition/information on ingredients
Mixture/Substance selection:
MixtureIngredient name:Potassium iodide
Content (%):ca. 4.0
Chemical formula:IK
Chemicals No, Japan:1-439
CAS No.:7681-11-0
MW:166.00
ECNO:231-659-4
Ingredient name:Iodine
Content (%):ca. 1.3
Chemical formula:I2
CAS No.:7553-56-2
MW:253.809 (AW 126.904)
ECNO:231-442-4
Ingredient name:Water
Content (%):Residual quantity of the ingredient mentioned above
Chemical formula:H2O
CAS No.:7732-18-5
MW:18.02
ECNO:231-791-2
Note : The figures shown above are not the specifications of the product.

Section 4. First-aid measures
Descriptions of first-aid measures
General measures
Get medical advice/attention if you feel unwell.

3/11
0.05mol/L Iodine solution,JUNSEI CHEMICAL CO., LTD.,95713jis_E-3,02/Aug/2023
Call a POISON CENTER/doctor/physician.
IF INHALED
Remove person to fresh air and keep comfortable for breathing.
Call a POISON CENTER/doctor/physician if you feel unwell.
IF ON SKIN (or hair）
Take off immediately all contaminated clothing. Rinse skin with water or shower.
Wash with plenty of soap and water.
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.
Call a POISON CENTER/doctor/physician if you feel unwell.
Most important symptoms and effects, both acute and delayedSpecific information on symptom and effect are unknown.
Indication of any immediate medical attention and special treatment needed
Information on indication of any immediate medical attention and special treatment needed
is not available.

Section 5. Fire-fighting measures
Extinguishing media
Suitable extinguishing media
Use appropriate extinguishing media suitable for surrounding facilities.
The product is non-flammable.
Unsuitable extinguishing media
Unsuitable extinguishing media data is not available.
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 resistant or flame retardant clothing.
Wear protective gloves/protective clothing/eye protection/face protection.
Firefighters should wear self-contained breathing apparatus with a full facepiece operated
in the positive pressure mode.

Section 6. Accidental release measures
Personnel precautions, protective equipment and emergency procedures
Ventilate area until material pick up is complete.
Wear proper protective equipment.
Environmental precautions
Avoid release to headsprings, rivers, lakes, ocean and groundwater.
Methods and materials for containment and cleaning up
Absorb spill with inert material (dry sand, earth, et al), then place in a chemical waste container.
Preventive measures for secondary accident
Collect spillage.

4/11
0.05mol/L Iodine solution,JUNSEI CHEMICAL CO., LTD.,95713jis_E-3,02/Aug/2023
Section 7. Handling and storage
Precautions for safe handling
Preventive measures(Exposure Control for handling personnel)
Do not breathe vapors.
(Protective measures against fire and explosion)
Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
(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.
Any incompatibilities
Strong reducing agents should not be mixed with the chemicals.
Advice on general occupational hygiene
Avoid contact during pregnancy and while nursing.
Wash contaminated parts thoroughly after handling.
Do not eat, drink or smoke when using this product.
Contaminated work clothing should not be allowed out of the workplace.
Take off contaminated clothing and wash it before reuse.
Storage
Conditions for safe storage
Store in a well-ventilated place. Keep container tightly closed.
Keep cool. Protect from sunlight.
Store in accordance with local/national regulation.
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.

Section 8. Exposure controls/personal protection
Control parameters
Control value in MHLW is not available.
Adopted value(Iodine)JSOH(1968) 0.1ppm; 1mg/m3
ACGIH(2022) TWA: 0.001ppm-I (IFV); (Thyroid & maternal repro eff; fetal & neonatal dam)
Notation…Skin(Potassium iodide)
Adopted value in JSOH is not available.
ACGIH(2022) TWA: 0.01mg-I/m3(I) (Thyroid & maternal repro eff; fetal & neonatal dam)
Notation…Skin5/11
0.05mol/L Iodine solution,JUNSEI CHEMICAL CO., LTD.,95713jis_E-3,02/Aug/2023
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.
Hand protection
Wear protective gloves. Recommended material(s): nitrile
Inspect before use and replace worn or damaged gloves.
Contact the glove manufacturer for specific advice on glove selection and breakthroughtimes for your use conditions.
Eye protection
Wear safety glasses with side-shields.
Wear eye/face protection.
Skin and body protection
Wear impervious clothing and boots in case of repeated or prolonged treatment.

Section 9. Physical and Chemical Properties
Information on basic physical and chemical properties
Physical state: Liquid
Color: Dark brown
Odor data is not available.
Odor threshold data is not available.
Melting point/Freezing point data is not available.
Boiling point or initial boiling point data is not available.
Boiling range data is not available.
Flammability (gases, liquids and solids): Non-flammable
Lower and upper explosion limit/flammability limit data is not available.
Flash point: Non-flammableAuto-ignition temperature data is not available.
Decomposition temperature data is not available.
Self-Accelerating Decomposition Temperature/SADT data is not available.
pH data is not available.
Dynamic viscosity data is not available.
Kinematic viscosity data is not available.
Solubility:
Solubility in water: Miscible
Solubility in solvent data is not available.
n-Octanol/water partition coefficient data is not available.
Vapor pressure data is not available.
Density and/or relative density data is not available.
Relative vapor density (Air=1) data is not available.
Relative density of the Vapor/air - mixture at 20℃ (Air = 1) data is not available.
Particle characteristics data is not available.
Other information
Critical temperature data is not available.
Evaporation rate data is not available.
VOC data is not available.

6/11
0.05mol/L Iodine solution,JUNSEI CHEMICAL CO., LTD.,95713jis_E-3,02/Aug/2023
Section 10. Stability and Reactivity
Reactivity
Reactivity data is not available.
Chemical stability
Stable under normal storage/handling conditions.
Light sensitive.
Possibility of hazardous reactions
Possibility of hazardous reactions data is not available.
Conditions to avoid
Contact with incompatible materials.
Heating. Light.
Incompatible materials
Strong reducing agents
Hazardous decomposition products
Iodides.

Section 11. Toxicological Information
The product has not been subjected to toxicological testing. Refer to the available data on
the constituents.
Information on toxicological effects
Acute toxicity
Acute toxicity (Oral)[Product]Classification not possible (Insufficient data available or no data available).
[Data for components of the product][GHS Cat. Japan, base data](Iodine)rat LD50=315mg/kg (EPA Pesticide, 2006)
Acute toxicity (Dermal)[Product]Classification not possible (Insufficient data available or no data available).
[Data for components of the product]
No data available.
Acute toxicity (Inhalation)[Product]Category 3, Toxic if inhaled[Data for components of the product][GHS Cat. Japan, base data](Iodine)vapor: rat LC50=35ppm/4hr (EPA Pesticide, 2006)
Irritant properties
Skin corrosion/irritation[Product]Classification not possible (Insufficient data available or no data available).
[Data for components of the product][GHS Cat. Japan, base data](Iodine)human : skin irritation (PATTY 6th, 2012)
Serious eye damage/irritation[Product]
Based on available data, the classification criteria are not met.

7/11
0.05mol/L Iodine solution,JUNSEI CHEMICAL CO., LTD.,95713jis_E-3,02/Aug/2023[Data for components of the product][GHS Cat. Japan, base data](Potassium iodide)rabbit : slight irritation (HSDB, Access on July 2015)(Iodine)eyes irritation (PATTY 6th, 2012)
Sensitization
Respiratory sensitization[Product]Classification not possible (Insufficient data available or no data available).
[Data for components of the product]
No data available.
Skin sensitization[Product]Category 1, May cause an allergic skin reaction[Data for components of the product][GHS Cat. Japan, base data](Iodine)cat. 1; PATTY 6th, 2012
Germ cell mutagenicity[Product]Classification not possible (Insufficient data available or no data available).
[Data for components of the product]
No data available.
Carcinogenicity[Product]Classification not possible (Insufficient data available or no data available).
[Data for components of the product][ACGIH](Potassium iodide)A4(2022) : Not Classifiable as a Human Carcinogen(Iodine)A4(2022) : Not Classifiable as a Human Carcinogen
Reproductive toxicity[Product]Category 1B, May damage fertility or the unborn child
Additional category, May cause harm to breast-fed children[Data for components of the product][GHS Cat. Japan, base data](Potassium iodide)cat. 1B; CICAD 72, 2009; ATSDR, 2004
cat. add; CICAD 72, 2009; ATSDR, 2004
Specific target organ toxicity (STOT)
STOT-single exposure[Product]Category 2, May cause damage to organs

8/11
0.05mol/L Iodine solution,JUNSEI CHEMICAL CO., LTD.,95713jis_E-3,02/Aug/2023[Data for components of the product][cat.1][GHS Cat. Japan, base data](Potassium iodide)thyroid (ATSDR, 2004)[cat.3 (respiratory tract irritation)][GHS Cat. Japan, base data](Iodine)respiratory tract irritation (HSDB, Access on September 2014)
STOT-repeated exposure[Product]Category 2, May cause damage to organs through prolonged or repeated exposure[Data for components of the product][cat.1][GHS Cat. Japan, base data](Potassium iodide)thyroid, skin, systemic toxicity (CICAD 72, 2009; Medicine data, 2016(2015))(Iodine)thyroid (CICAD 72, 2009)
Aspiration hazard[Product]Classification not possible (Insufficient data available or no data available).
[Data for components of the product]
No data available.

Section 12. Ecological Information
The product has not been subjected to ecotoxicological testing. Refer to the available dataon the constituents.
Toxicity
Aquatic toxicity[Product]Category 3, Harmful to aquatic life
Category 3, Harmful to aquatic life with long lasting effects[Data for components of the product]
Hazardous to the aquatic environment, short-term (acute)[GHS Cat. Japan, base data](Iodine)Crustacea (Daphnia magna) LC50=0.16mg/L/48hr (ECETOC TR91, 2003)
Water solubility[Data for components of the product](Potassium iodide)148 g/100 g (HSDB, 2010)(Iodine)0.03 g/100 ml (20℃) (ICSC, 2004)
Persistence and degradability
Persistence and degradability data is not available.
Bioaccumulative potential[Data for components of the product](Iodine)log Pow=2.49 (ICSC, 2004)
Mobility in soil
Mobility in soil data is not available.

9/11
0.05mol/L Iodine solution,JUNSEI CHEMICAL CO., LTD.,95713jis_E-3,02/Aug/2023
Other adverse effects
Ozone depleting chemical data is not available.

Section 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.
Dispose of contents/container in accordance with local/national regulation.

Section 14. Transport Information
UN No., UN CLASS
UN Number or ID Number : Not regulated
UN Proper Shipping Name : Not regulated
Class or division (Transport hazard class) : Not regulated
Packing group : Not regulated
IMDG Code (International Maritime Dangerous Goods Regulations)
UN Number or ID Number : Not regulated
UN Proper Shipping Name : Not regulated
Class or division (Transport hazard class) : Not regulated
Packing group : Not regulated
IATA (Dangerous Goods Regulations)
UN Number or ID Number : Not regulated
UN Proper Shipping Name : Not regulated
Class or division (Transport hazard class) : Not regulated
Packing group : Not regulated
Environmental hazards
Marine pollutants (yes/no) : noTransport in bulk according to Annex II of MARPOL 73/78 and the IBC Code
Noxious Liquid Substances ; Cat. Y equiv.
Potassium iodide
Non Noxious Liquid Substances ; Cat. OS
Water
MARPOL Annex V - HME (Harmful to the Marine Environment)
Reproductive toxicity: cat.1, 1A, 1B
Potassium iodide
Specific target organ toxicity - repeated exposure: cat.1
Potassium iodide; Iodine
Hazardous to the aquatic environment - short-term (acute): cat.1
IodineHazardous to the aquatic environment - long-term (chronic): cat.1, 2
IodineSection 15. Regulatory Information
Safety, health and environmental regulations/legislation specific for the substance or mixture
Labor Standards Act, Japan
Chemical substances or compounds (including alloys) causing disease (Regulation, Appended Table 1-2-4-1)
Iodine10/110.05mol/L Iodine solution,JUNSEI CHEMICAL CO., LTD.,95713jis_E-3,02/Aug/2023
U.S. Toxic Substances Control Act (TSCA) Inventory
Chemicals listed in TSCA Inventory
7553-56-2; 7681-11-0; 7732-18-5
All components are listed or exempted.
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.

Section 16. Other information
GHS classification and labellingH331-Acute toxicity, Category 3: H331 Toxic if inhaled
H317-Skin sensitization, Category 1: H317 May cause an allergic skin reaction
H360-Reproductive toxicity, Category 1B H360 May damage fertility or the unborn childH362-Reproductive toxicity - effects on or via lactation, Additional category : H362 May
cause harm to breast-fed children
H371-STOT - single exposure, Category 2: H371 May cause damage to organs
H373-STOT - Repeated exposure, Category 2: H373 May cause damage to organs throughprolonged or repeated exposure
H402-Hazardous to the aquatic environment, short-term (acute), Category 3: H402 Harmful to aquatic life
H412-Hazardous to the aquatic environment, long-term (chronic), Category 3: H412 Harmful toaquatic life with long lasting effects
References and sources for data
Globally Harmonized System of classification and labelling of chemicals, UN
Recommendations on the TRANSPORT OF DANGEROUS GOODS 22nd edit., 2021 UN
IMDG Code, 2020 Edition (Incorporating Amendment 40-20)
IATA Dangerous Goods Regulations (64th Edition) 2023
2020 EMERGENCY RESPONSE GUIDEBOOK (US DOT)
2023 TLVs and BEIs. (ACGIH)
JIS Z 7252 : 2019
JIS Z 7253 : 20192022 Recommendation on TLVs (JSOH)
Notification No. 0111-1 (January 11, 2022), Chemical Hazards Control Division, Industrial
Safety and Health Department, Labour Standards Bureau, MHLW in Japan
Supplier's data/information
Chemicals safety data management system "GHS Assistant" Version 4.24 (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)
Abbreviations and acronyms
SDS (Safety Data Sheet)
LD50 (Lethal Dose, 50％)
LC50 (Lethal Concentration, 50％)
IARC (International Agency for Research on Cancer)

11/110.05mol/L Iodine solution,JUNSEI CHEMICAL CO., LTD.,95713jis_E-3,02/Aug/2023
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 this
Safety 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 2021).