1/90.05mol/L Perchloric acid-acetic acid solution,
JUNSEI CHEMICAL CO., LTD.,95291jis_J_E1-1,26/02/2020
Date of issue for the 1st edition : 26/02/2020

Safety Data Sheet

1. Identification of the substance/mixture and of the company/undertaking
Product identifier:Product name: 0.05mol/L Perchloric acid-acetic acid solution
Product code (SDS NO): 95291jis_J_E1-1
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 DepartmentTelephone 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
Flammable liquids: Category 3
HEALTH HAZARDS
Acute toxicity (Dermal): Category 4
Skin corrosion/irritation: Category 1
Serious eye damage/eye irritation: Category 1
Specific target organ toxicity - single exposure: Category 1(blood, respiratory system )ENVIRONMENT HAZARDS
Hazardous to the aquatic environment (Acute): Category 3(Note) GHS classification without description: Not classified/Classification not possible
Label elements

Signal word: Danger
HAZARD STATEMENT
H226-Flammable liquid and vapor
H312-Harmful in contact with skinH314-Causes severe skin burns and eye damage
H318-Causes serious eye damage
H370-Causes damage to organs after single exposure
H402-Harmful to aquatic life
PRECAUTIONARY STATEMENT
Prevention
Avoid release to the environment.
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Keep container tightly closed.
Ground/bond container and receiving equipment.
Use explosion-proof electrical/ventilating/lighting equipment.
Use only non-sparking tools.
Take precautionary measures against static discharge.

2/90.05mol/L Perchloric acid-acetic acid solution,JUNSEI CHEMICAL CO., LTD.,95291jis_J_E1-1,26/02/2020
Do not breathe dust/fume/gas/mist/vapors/spray.
Wash contaminated parts thoroughly after handling.
Wear protective gloves/protective clothing/eye protection/face protection.
Do not eat, drink or smoke when using this product.
Response
In case of fire: Use appropriate media for extinction.
Immediately call a POISON CENTER or 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 ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
Take off contaminated clothing and wash it 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: Rinse mouth. Do NOT induce vomiting.
Storage
Store in a well-ventilated place. Keep cool.
Store locked up.
DisposalDispose of contents/container in accordance with local/national regulation.
Specific Physical and Chemical hazards
Flammable liquid. Vapor/air mixture may explode.

3. Composition/information on ingredients
Mixture/Substance selection:
MixtureIngredient name:Perchloric acidContent (%):0.47
Chemical formula:ClHO4
Chemicals No, Japan:1-221
CAS No.:7601-90-3
MW:100.46
ECNO:231-512-4
Ingredient name:Acetic acidContent (%):Residual quantity of the ingredient mentioned above.
Chemical formula:C2H4O2
Chemicals No, Japan:2-688
CAS No.:64-19-7
MW:60.05
ECNO:200-580-7
Note : The figures shown above are not the specifications of the product.

4. First-aid measures
Descriptions of first-aid measures
General measures
Immediately call a POISON CENTER or doctor/physician.
IF INHALED
Remove person to fresh air and keep comfortable for breathing.
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.

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0.05mol/L Perchloric acid-acetic acid solution,
JUNSEI CHEMICAL CO., LTD.,95291jis_J_E1-1,26/02/2020
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. Do NOT induce vomiting.
Call a POISON CENTER or doctor/physician if you feel unwell.

5. Fire-fighting measures
Extinguishing media
Suitable extinguishing media
In case of fire, use water mist, foam, dry powder, CO2 to extinguish.
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/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.
Wear proper protective equipment.
PUBLIC SAFTY: Ventilate closed spaces before entering.
Environmental precautions
Runoff to sewer may create fire or explosion hazard.
Vapor explosion hazard indoors, outdoors or in sewers.
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.
Use clean non-sparking tools to collect absorbed material.
All equipment used when handling the product must be grounded.
Preventive measures for secondary accident
Collect spillage.
Stop leak if you can do it without risk.
Prevent entry into waterways, sewers, basements or confined areas.

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0.05mol/L Perchloric acid-acetic acid solution,
JUNSEI CHEMICAL CO., LTD.,95291jis_J_E1-1,26/02/2020
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.
Ground/bond container and receiving equipment.
Use explosion-proof electrical/ventilating/lighting equipment.
Use only non-sparking tools.
Take precautionary measures against static discharge.
(Exhaust/ventilator)
Exhaust/ventilator should be available.
(Safety treatments)
Avoid contact with skin.
Avoid contact with eyes.
Safety Measures
Wear protective gloves/protective clothing/eye protection/face protection.
Wear protective gloves, protective clothing or face protection.
Use personal protective equipment as required.
When using do not eat, drink or smoke.
Any incompatibilities
Strong bases 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.
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.
Keep cool. Protect from sunlight.
Store locked up.
Container and packaging materials for safe handling data is not available.

8. Exposure controls/personal protection
Control parameters
Control value in MHLW is not available.
Adopted value(Acetic acid)
JSOH(1978) 10ppm; 25mg/m3
ACGIH(2003) TWA: 10ppm;
STEL: 15ppm (URT & eye irr; pulm func)
OSHA-PEL(Acetic acid)
TWA: 10ppm, 25mg/m3
NIOSH-REL(Acetic acid)
TWA: 10ppm; STEL: 15ppm
Exposure controls
Appropriate engineering controls
Do not use in areas without adequate ventilation.
Eye wash station should be available.

5/90.05mol/L Perchloric acid-acetic acid solution,
JUNSEI CHEMICAL CO., LTD.,95291jis_J_E1-1,26/02/2020
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. Recommended material(s): butyl rubber
Consult with your glove and/or personnel equipment manufacturer for selection ofappropriate 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: Liquid
Color: Colorless
Odor: Irritant odor
Odor threshold data is not available.
pH: Strong acidic
Boiling point or initial boiling point: 118℃(Acetic acid)
Boiling range data is not available.
Evaporation rate data is not available.
Melting point/Freezing point data is not available.
Decomposition temperature data is not available.
Self-Accelerating Decomposition Temperature/SADT data is not available.
Flammability (gases, liquids and solids) data is not available.
Flash point: (c.c.)39℃(Acetic acid)
Auto-ignition temperature: 485℃(Acetic acid)
Critical temperature data is not available.
Lower and upper explosion limit/flammability limit data is not available.
Vapor pressure data is not available.
VOC 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.
Density and/or relative density 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.
No Particle characteristics data is not available.

10. Stability and Reactivity
Reactivity data is not available.
Chemical stability
Stable under normal storage/handling conditions.
Possibility of hazardous reactions data is not available.

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0.05mol/L Perchloric acid-acetic acid solution,
JUNSEI CHEMICAL CO., LTD.,95291jis_J_E1-1,26/02/2020
Conditions to avoid
Contact with incompatible materials.
Open flames. Heat. Sparks.
Incompatible materials
Strong bases
Hazardous decomposition products
Carbon oxides, Chlorides

11. Toxicological Information
Information on toxicological effects
Acute toxicity
Acute toxicity (Oral)[GHS Cat. Japan, base data](Acetic acid) rat LD50=3310mg/kg (PATTY 5th, 2001)(Perchloric acid) rat LD50=1100mg/kg (MOE assessment vol.9, 2011)
Acute toxicity (Dermal)[GHS Cat. Japan, base data](Acetic acid) rabbit LD50=1060mg/kg (PATTY 5th, 2001)
Irritant properties
Skin corrosion/irritation[GHS Cat. Japan, base data](Acetic acid) rabbit/guinea pig : severe burn (PATTY 5th, 2001 et al)(Perchloric acid) human: corrosive (MOE risk assessment vol.9, 2011; NICNAS IMAP, Accessed Oct. 2018)
Serious eye damage/irritation[GHS Cat. Japan, base data](Acetic acid) rabbit : permanent corneal damage (IUCLID, 2000 et al)(Perchloric acid) skin corrosive/irritation class 1
Allergenic and sensitizing effects data is not available.
Mutagenic effects data is not available.
Carcinogenicity[GHS Cat. Japan, base data](Perchloric acid) cat.2; (MOE risk assessment vol.9, 2011）
Reproductive toxicity[GHS Cat. Japan, base data](Perchloric acid) cat. 2; rat : MOE risk assessment vol.9, 2011
STOT
STOT-single exposure[cat.1][GHS Cat. Japan, base data](Acetic acid) blood; respiratory apparatus/system (ACGIH, 2004)[cat.3 (resp. irrit.)][GHS Cat. Japan, base data](Perchloric acid) respiratory tract irritation (MOE risk assessment vol.9, 2011)
STOT-repeated exposure data is not available.
Aspiration hazard data is not available.
Additional dataData on the preparation itself is not available.

12. Ecological Information
Ecotoxicity
Aquatic toxicity
H402-Harmful to aquatic life

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0.05mol/L Perchloric acid-acetic acid solution,JUNSEI CHEMICAL CO., LTD.,95291jis_J_E1-1,26/02/2020
Aquatic acute toxicity component(s) data
[GHS Cat. Japan, base data](Acetic acid)
Crustacea (Daphnia magna) EC50=65mg/L/48hr (Aquire, 2010)(Perchloric acid)
Crustacea (Daphnia magna) LC50 = 495mg/L/48hr [490mg ClO4-/L/48hr cal.](MOE risk assessment vol.9, 2011)
Aquatic chronic toxicity component(s) data
[GHS Cat. Japan, base data](Perchloric acid)
Fish (fat head minnow) NOEC≧495 mg/L/35days (≧490mg ClO4-/L/35days cal.)(MOE risk assessment
vol.9, 2011)
Water solubility(Acetic acid) miscible (ICSC, 2010)(Perchloric acid) miscible (ICSC, 2000)
Persistence and degradability(Acetic acid) BOD_Degradation : 74% (Registered chemicals data check & review)
Bioaccumulative potential(Acetic acid) log Pow=-0.17 (PHYSPROP DB, 2005)
Mobility in soil data is not available.
Ozone depleting chemical data is not available.
Additional data
Data on the preparation itself 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.: 2789
Proper Shipping Name :ACETIC ACID, GLACIAL or ACETIC ACID SOLUTION, more than 80% acid, by massClass or division : 8
Subsidiary hazard(s) : 3Packing group : II
ERG GUIDE No.: 132
IMDG Code (International Maritime Dangerous Goods Regulations)
UN No.: 2789
Proper Shipping Name :ACETIC ACID, GLACIAL or ACETIC ACID SOLUTION, more than 80% acid, by massClass or division : 8
Subsidiary hazard(s) : 3Packing group : II
IATA Dangerous Goods Regulations
UN No.: 2789
Proper Shipping Name :ACETIC ACID, GLACIAL or ACETIC ACID SOLUTION, more than 80% acid, by massClass or division : 8

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0.05mol/L Perchloric acid-acetic acid solution,JUNSEI CHEMICAL CO., LTD.,95291jis_J_E1-1,26/02/2020
Subsidiary hazard(s) : 3Hazard labels : Corrosive & Flamm.liquid
Packing group : II
Environmental hazards
MARPOL Annex III - Prevention of pollution by harmful substances
Marine pollutants (yes/no) : no

15. Regulatory Information
Safety, health and environmental regulations/legislation specific for the substance or mixture
Environmental hazards
Transport in bulk according to Annex II of MARPOL73/78 and IBC Code
Noxious Liquid ; Cat. Z
Acetic acid
Basel law, Japan
Acetic acid
US major regulations
Chemicals listed in TSCA Inventory
Acetic acid; Perchloric acid
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).

16. Other information
GHS classification and labellingH226-Flam. Liq. 3: H226 Flammable liquid and vapor
H312-Acute Tox. 4: H312 Harmful in contact with skinH314-Skin Corr. 1: H314 Causes severe skin burns and eye damage
H318-Eye Dam. 1: H318 Causes serious eye damage
H370-STOT SE 1: H370 Causes damage to organs after single exposure
H402-Aquatic Acute 3: H402 Harmful to aquatic life
Reference Book
Globally Harmonized System of classification and labelling of chemicals, (6th ed., 2015), UN
Recommendations on the TRANSPORT OF DANGEROUS GOODS 20th edit., 2017 UN
IMDG Code, 2018 Edition (Incorporating Amendment 39-18)
IATA Dangerous Goods Regulations (60th Edition) 2019
Classification, labelling and packaging of substances and mixtures (table3-1 ECNO6182012)2016 EMERGENCY RESPONSE GUIDEBOOK (US DOT)
2019 TLVs and BEIs. (ACGIH)
http://monographs.iarc.fr/ENG/Classification/index.php
JIS Z 7253 : 2019
JIS Z 7252 : 20192019 Recommendation on TLVs (JSOH)
Supplier's data/information
Chemicals safety data management system "GHS Assistant" (https://www.asahi-ghs.com/)9/90.05mol/L Perchloric acid-acetic acid solution,
JUNSEI CHEMICAL CO., LTD.,95291jis_J_E1-1,26/02/2020
NITE Chemical Risk Information Platform（NITE-CHRIP）
https://www.nite.go.jp/en/chem/chrip/chrip_search/systemTop
GHS Classification Guidance for Enterprises 2013 Revised Edition （Aug. 2013, METI)
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 in2018).