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Acetic acid,JUNSEI CHEMICAL CO., LTD.,31010jis_J_E1-6,04/Apr/2024
Date of issue for the 1st edition : 24/Dec/2013
Date of revision : 04/Apr/2024

Safety Data Sheet

Section 1. Identification of the substance/mixture and of the company/undertaking
Product identifier:Product name: Acetic acid
Reference number(SDS):31010jis_J_E1-6
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
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, short-term (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
H402-Harmful to aquatic life
PRECAUTIONARY STATEMENT
Prevention
Avoid release to the environment.
Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
Keep container tightly closed.
Ground and bond container and receiving equipment.
Use explosion-proof electrical/ventilating/lighting equipment.
Use non-sparking tools.

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Take action to prevent static discharges.
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 water mist, alcohol-resistant foam, dry powder, CO2 to extinguish.
Immediately call a POISON CENTER/doctor/physician.
Call a POISON CENTER/doctor/physician if you feel unwell.
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 ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or 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.
Disposal
Dispose of contents/container in accordance with local/national regulation.
Specific Physical and Chemical hazards
Flammable liquid. Vapor/air mixture may explode.

Section 3. Composition/information on ingredients
Mixture/Substance selection:
Substance
Ingredient name:Acetic acidContent (%):99.0 <Chemical formula:C2H4O2
Chemicals No, Japan:2-688
CAS No.:64-19-7
MW:60.05
EC No.:200-580-7
Note : The figures shown above are not the specifications of the product.

Section 4. First-aid measures
Descriptions of first-aid measures
General measures
Immediately call a POISON CENTER/doctor/physician.
Keep victim warm and quiet.
Call emergency medical service.
Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give
artificial respiration with the aid of a pocket mask equipped with a one-way valve or otherproper respiratory medical device.
Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed.
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/doctor/physician if you feel unwell.

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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.
Remove and isolate contaminated clothing and shoes.
In case of burns, immediately cool affected skin for as long as possible with cｈild water.
Do not remove clothing if adhering to skin.
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/doctor/physician if you feel unwell.
If within a few minutes after ingestion, one small glass of water may be given to drink.
Most important symptoms and effects, both acute and delayed(Symptoms when inhalation or ingestion)
Sore throat. Cough. Burning sensation. Headache. Dizziness. Shortness of breath. Laboured breathing.
Abdominal pain. Vomiting. Shock or collapse.
(Symptoms when skin and/or eye contact)
Conjunctival redness of the eyes. Redness of the skin. Pain. Blisters. Severe burns. Loss of vision.
Indication of any immediate medical attention and special treatment needed
Ensure that medical personnel are aware of the material(s) involved, and take precautions
to protect themselves.

Section 5. Fire-fighting measures
Extinguishing media
Suitable extinguishing media
In case of fire, use water mist, alcohol-resistant foam, dry powder, CO2 to extinguish.
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.
Cool container with water spray.
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
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.

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PUBLIC SAFTY: Ventilate closed spaces before entering.
Do not touch or walk through spilled material.
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.
Cautiously neutralize spilled liquid with sodium carbonate only under the responsibility of an expert.
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.
Keep out of low areas.

Section 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, hot surfaces, sparks, open flames and other ignition sources. No smoking.
Ground and bond container and receiving equipment.
Use explosion-proof electrical/ventilating/lighting equipment.
Use non-sparking tools.
Take action to prevent static discharges.
(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.
Use personal protective equipment as required.
When using do not eat, drink or smoke.
Any incompatibilities
Strong acids, Strong bases, Strong oxidizing agents 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. Protect from sunlight.
Store in accordance with local/national regulation.
Store locked up.
Container and packaging materials for safe handling
Keep only in original packaging.
Specific end use(s)See information in Section 7.1 and 7.2 for handling and storage recommendations. See5/10
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Section 8 for exposure controls and personal protection recommendations.

Section 8. Exposure controls/personal protection
Control parameters
Control value and concentration standard value are not available in ISHA.
Adopted value
JSOH(1978) 10ppm; 25mg/m3
ACGIH(2004) TWA: 10ppm;
STEL: 15ppm (URT & eye irr; pulm func)
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
Select and wear respiratory protection in accordance with approved standards (e.g. JIS T8150).
Recommended respiratory protection：Self-Contained Breathing Apparatus (SCBA)
Hand protection
Wear protective gloves. Recommended material(s): butyl rubber
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.
Chemical-resistant, impervious gloves complying with an approved standard (e.g. JIS T8116)
should be used.
Eye protection
Wear chemical safety goggle.
Wear eye/face protection in accordance with approved standards (e.g. JIS T8147).
Skin and body protection
Wear impervious clothing and boots in case of repeated or prolonged treatment.
Personal protective equipment for the body and skin should be selected based on the task
being performed and the risks involved.

Section 9. Physical and Chemical Properties
Information on basic physical and chemical properties
Physical state: Liquid
Color: Colorless-clear
Odor: Irritant odor
Odor threshold: 0.21～1.0ppm ; 2.5～2500 mg/m3
Melting point/Freezing point: 16.7℃
Boiling point or initial boiling point: 118℃
Boiling range data is not available.
Flammability (gases, liquids and solids): Ignitable
Lower and upper explosion limit/flammability limit:
Lower explosion limit: 5.4 vol %Upper explosion limit: 16 vol %Flash point: (c.c.)39℃
Auto-ignition temperature: 427℃
Decomposition temperature data is not available.
Self-Accelerating Decomposition Temperature/SADT data is not available.
pH: 2.4 (1.0M aqueous solution)
Dynamic viscosity: 1.056mPas(25℃)

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Kinematic viscosity: 1.011mm2/s(25℃)
Solubility:
Solubility in water: Miscible
Solubility in solvent: Very soluble in ethanol(99.5) and diethyl ether.
n-Octanol/water partition coefficient: log Pow-0.31
Vapor pressure: 1.5 kPa (20℃)
Density and/or relative density: 1.0446g/cm3(25℃)
Relative vapor density (Air=1): 2.1
Relative density of the Vapor/air - mixture at 20℃ (Air = 1): 1.02
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.

Section 10. Stability and Reactivity
Reactivity
Runaway polymerization will not occur.
Chemical stability
Stable under normal storage/handling conditions.
This product may coagulate in cold weather.
Flammable.
Possibility of hazardous reactions
Reacts violently with strong oxidants. This generates fire and explosion hazard.
Reacts violently with strong bases, strong acids and many other compounds.
Attacks some forms of plastic (e.g. Vinyl chloride), rubber (e.g. Natural rubber) and coatings.
Conditions to avoid
Contact with incompatible materials.
Open flames. Heating. Sparks.
Incompatible materials
Strong acids, Strong bases, Strong oxidizing agents
Hazardous decomposition products
Carbon oxides

Section 11. Toxicological Information
Information on toxicological effects
Acute toxicity
Acute toxicity (Oral)[Product]
Based on available data, the classification criteria are not met.
[Data for components of the product][GHS Cat. Japan, base data]
rat LD50=3310mg/kg (PATTY 5th, 2001)
Acute toxicity (Dermal)[Product]Category 4, Harmful in contact with skin
[Data for components of the product][GHS Cat. Japan, base data]
rabbit LD50=1060mg/kg (PATTY 5th, 2001)
Acute toxicity (Inhalation)[Product]Classification not possible (Insufficient data available or no data available).

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Acetic acid,JUNSEI CHEMICAL CO., LTD.,31010jis_J_E1-6,04/Apr/2024[Data for components of the product]
No data available.
Irritant properties
Skin corrosion/irritation[Product]Category 1, Causes severe skin burns and eye damage[Data for components of the product][GHS Cat. Japan, base data]
rabbit/guinea pig : severe burn (PATTY 5th, 2001 et al)
Serious eye damage/irritation[Product]Category 1, Causes serious eye damage[Data for components of the product][GHS Cat. Japan, base data]
rabbit : permanent corneal damage (IUCLID, 2000)
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]Classification not possible (Insufficient data available or no data available).
[Data for components of the product]
No data available.
Germ cell mutagenicity[Product]Classification not possible (Insufficient data available or no data available).
[Data for components of the product][GHS Cat. Japan, base data]
in vivo data is not available.
Reverse-mutation assay in bacteria (Ames test) :Negative(PATTY 5th, 2001)
Chromosome aberration test :Negative(PATTY 5th, 2001)
Carcinogenicity[Product]Classification not possible (Insufficient data available or no data available).
[Data for components of the product]
No data available.
Reproductive toxicity[Product]Classification not possible (Insufficient data available or no data available).
[Data for components of the product]
No data available.
Specific target organ toxicity (STOT)
STOT-single exposure[Product]Category 1, Causes damage to organs[Data for components of the product][cat.1][GHS Cat. Japan, base data]
blood, respiratory system (ACGIH, 2004)

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Acetic acid,JUNSEI CHEMICAL CO., LTD.,31010jis_J_E1-6,04/Apr/2024
STOT-repeated exposure[Product]Classification not possible (Insufficient data available or no data available).
[Data for components of the product]
No data available.
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
Toxicity
Aquatic toxicity[Product]Category 3, Harmful to aquatic life
[Data for components of the product]
Hazardous to the aquatic environment, short-term (acute)[GHS Cat. Japan, base data]
Crustacea (Daphnia magna) EC50=65mg/L/48hr (Aquire, 2010)
Water solubility[Data for components of the product]
miscible (ICSC, 2010)
Persistence and degradability[Data for components of the product]
BOD_Degradation : 74% (Inspection of existing chemicals conducted by METI)
Bioaccumulative potential[Data for components of the product]log Pow=-0.17 (PHYSPROP DB, 2005)
Mobility in soil
Mobility in soil data is not available.
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 : 2789
UN Proper Shipping Name :ACETIC ACID, GLACIAL or ACETIC ACID SOLUTION, more than 80% acid, by massClass or division (Transport hazard class) : 8
Subsidiary hazard(s) : 3
Packing group : II
ERG GUIDE No.: 132

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IMDG Code (International Maritime Dangerous Goods Regulations)
UN Number or ID Number : 2789
UN Proper Shipping Name :ACETIC ACID, GLACIAL or ACETIC ACID SOLUTION, more than 80% acid, by massClass or division (Transport hazard class) : 8
Subsidiary hazard(s) : 3
Packing group : II
IATA (Dangerous Goods Regulations)
UN Number or ID Number : 2789
UN Proper Shipping Name :ACETIC ACID, GLACIAL or ACETIC ACID SOLUTION, more than 80% acid, by massClass or division (Transport hazard class) : 8
Subsidiary hazard(s) : 3
Hazard labels : Corrosive & Flamm.liquid
Packing group : II
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. Z
Acetic acid

Section 15. Regulatory Information
Safety, health and environmental regulations/legislation specific for the substance or mixture
U.S. Toxic Substances Control Act (TSCA) Inventory
Chemicals listed in TSCA Inventory64-19-7
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 labellingH226-Flammable liquids, Category 3: H226 Flammable liquid and vapour
H312-Acute toxicity, Category 4: H312 Harmful in contact with skinH314-Skin corrosion/irritation, Category 1: H314 Causes severe skin burns and eye damage
H318-Serious eye damage/eye irritation, Category 1: H318 Causes serious eye damage
H370-STOT - single exposure, Category 1: H370 Causes damage to organs
H402-Hazardous to the aquatic environment, short-term (acute), Category 3: H402 Harmful to aquatic life
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10/10Acetic acid,JUNSEI CHEMICAL CO., LTD.,31010jis_J_E1-6,04/Apr/2024
IMDG Code, 2022 Edition (Incorporating Amendment 41-22)
IATA Dangerous Goods Regulations (65th Edition) 20242020 EMERGENCY RESPONSE GUIDEBOOK (US DOT)
2024 TLVs and BEIs. (ACGIH)
JIS Z 7252 : 2019
JIS Z 7253 : 20192023 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 4.27 (https://www.asahi-ghs.com/)
NITE Chemical Risk Information Platform "NITE-CHRIP"(https://www.chem-info.nite.go.jp/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)
ACGIH (American Conference of Governmental Industrial Hygienists)
EPA (US Environmental Protection Agency)
NTP (US National Toxicology Program)
METI (Ministry of Economy, Trade and Industry in Japan)
MHLW (Ministry of Health, Labour and Welfare in Japan)
MOE (Ministry of the Environment in Japan)
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 2022).