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pH4.01 Standard buffer solution,
JUNSEI CHEMICAL CO., LTD.,60176jis_J_E2-1,06/06/2018
Date of issue for the 1.st edition: 06/06/2018

Safety Data Sheet

1. Identification of the substance/mixture and of the company/undertaking
Product identifier:Product name: pH4.01 Standard buffer solution
Product code(SDS NO): 60176jis_J_E2-1
Details of the supplier of the safety data sheet
Manufacturer/Supplier: JUNSEI CHEMICAL CO., LTD.
Address: 1-6, Ohmano-Cho, Koshigaya, 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(Note) GHS classification without description: Not applicable/Out of classification/Not classifiable

3. Composition/information on ingredients
Mixture/Substance selection:Mixture
Common name, synonyms: Buffer solution standard pH 4.01
Ingredient name:Potassium hydrogen phthalate
Content(%):ca. 1.0
Chemical formula:C8H5KO4
Chemicals No, Japan:3-1272;3-1342
CAS No.:877-24-7
MW:204.22
ECNO:212-889-4
Ingredient name:Water
Content(%):ca. 99.0Chemical formula:H2O
CAS No.:7732-18-5
MW:18.02
ECNO:231-791-2
Impurities and stabilizing additives
Preservative : Thymol 0.02%

4. First-aid measures
Descriptions of first-aid measures
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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pH4.01 Standard buffer solution,
JUNSEI CHEMICAL CO., LTD.,60176jis_J_E2-1,06/06/2018
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 or doctor/physician if you feel unwell.

5. Fire-fighting measures
Extinguishing media
Suitable extinguishing media
Use appropriate extinguishing media suitable for surrounding facilities.
The product is non-flammable.
Specific hazards arising from the substance or mixture
Containers may explode when heated.
Fire may produce irritating, corrosive and/or toxic gases.
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
Ventilate area after material pick up is complete.
Wear proper protective equipment.
Environmental precautions
Avoid release to the 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.

7. Handling and storage
Precautions for safe handling
Preventive measures(Protective measures against fire and explosion)
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Exhaust/ventilator
Exhaust/ventilator should be available.
Safety treatments
Avoid contact with skin.
Avoid contact with eyes.
Avoid breathing dust, fume, gas, mist or vapor.
Safety Measures/Incompatibility
Wear protective gloves, protective clothing or face protection.
Use personal protective equipment as required.

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pH4.01 Standard buffer solution,
JUNSEI CHEMICAL CO., LTD.,60176jis_J_E2-1,06/06/2018
When using do not eat, drink or smoke.
Conditions for safe storage, including any incompatibilities
Recommendation for storage
Store in a well-ventilated place. Keep container tightly closed.
Keep cool. Protect from sunlight.

8. Exposure controls/personal protection
Control parameters
No control value data available in MHLW
Adopted value
No Adopted value data available in JSOH
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.
Eye protection
Wear eye/face protection.

9. Physical and Chemical Properties
Information on basic physical and chemical properties
Physical properties
Appearance: Liquid
Color: Colorless
Odor data N.A.
pH: 4.01 (25℃)
Phase change temperature
Initial Boiling Point/Boiling point data N.A.
Melting point/Freezing point data N.A.
Decomposition temperature data N.A.
Flash point data N.A.
Auto-ignition temperature data N.A.
Explosive properties data N.A.
Vapor pressure data N.A.
Vapor density data N.A.
Specific gravity/Density data N.A.
Solubility
Solubility in water: Miscible
n-Octanol /water partition coefficient data N.A.

10. Stability and Reactivity
Chemical stability
Stable under normal storage/handling conditions.
Conditions to avoidContact with incompatible materials.
Heat.

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pH4.01 Standard buffer solution,
JUNSEI CHEMICAL CO., LTD.,60176jis_J_E2-1,06/06/2018
Incompatible materials
Strong bases
Hazardous decomposition products
Carbon oxides

11. Toxicological Information
Information on toxicological effects
No Acute toxicity data available
No Irritant properties data available
No Allergenic and sensitizing effects data available
No Mutagenic effects data available
No Carcinogenic effects data available
No reproductive toxicity data available
No STOT-single/repeated exposure data available
No Aspiration hazard data available

12. Ecological Information
Ecotoxicity
No Aquatic toxicity data available
No Persistence and degradability data available
No Bioaccumulative potential data available

13. Disposal considerations
Waste treatment methods
Dispose of contents/container in accordance with local/national regulation.

14. Transport Information
UN No, UN CLASS
Not applicable to UN NO.

15. Regulatory Information
Safety, health and environmental regulations/legislation specific for the substance or mixture
US major regulations
TSCA
Potassium hydrogen phthalate; Water; Thymol
Other regulatory information
We are not able to check up the regulatory information in regard to the substances in yourcountry or region, therefore, we request this matter would be filled by your responsibility.
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.

16. Other information
Reference Book
Globally Harmonized System of classification and labelling of chemicals, (5th ed., 2013), UN
Recommendations on the TRANSPORT OF DANGEROUS GOODS 19th edit., 2015 UN
Classification, labelling and packaging of substances and mixtures (table3-1 ECNO6182012)

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pH4.01 Standard buffer solution,
JUNSEI CHEMICAL CO., LTD.,60176jis_J_E2-1,06/06/20182016 EMERGENCY RESPONSE GUIDEBOOK (US DOT)
2017 TLVs and BEIs. (ACGIH)
http://monographs.iarc.fr/ENG/Classification/index.php
Supplier's data/information
NITE Chemical Risk Information Platform（NITE-CHRIP）http://www.safe.nite.go.jp/japan/db.html
GHS Classification Guidance for Enterprises 2013 Revised Edition （August, 2013,METI)
General Disclaimer
This information contained in this data sheet represents the best information currently
available to us. However, no warranty is made with respect to its completeness and weassume no liability resulting from its use. It are advised to make their own tests todeterminate the safety and suitability of each such product or combination for their own
purposes.
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 in2016).