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pH9.18 Standard buffer solution,
JUNSEI CHEMICAL CO., LTD.,60178jis_J_E2-2,27/04/2021
Date of issue for the 1st edition : 06/06/2018
Date of revision : 27/04/2021

Safety Data Sheet

1. Identification of the substance/mixture and of the company/undertaking
Product identifier:Product name: pH9.18 Standard buffer solution
Reference number(SDS):60178jis_J_E2-2
Product type：
Reagent
Relevant identified uses of the substance or mixture and uses advised against
Uses advised against: This product is reagent for calibrating a pH meter in Japan.
Do not use for other purposes.
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
HEALTH HAZARDS
Reproductive toxicity: Category 1B
Label elements

Signal word: Danger
HAZARD STATEMENT
H360-May damage fertility or the unborn childPRECAUTIONARY STATEMENT
Prevention
Obtain special instructions before use.
Do not handle until all safety precautions have been read and understood.
Use personal protective equipment as required.
Response
IF exposed or concerned: Get medical advice/attention.
Storage
Store locked up.
Disposal
Dispose of contents/container in accordance with local/national regulation.

3. Composition/information on ingredients
Mixture/Substance selection:
MixtureCommon name, synonyms: Buffer solution standard pH9.18
Ingredient name:Sodium tetraborate

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pH9.18 Standard buffer solution,JUNSEI CHEMICAL CO., LTD.,60178jis_J_E2-2,27/04/2021
Content (%):ca. 0.38
Chemical formula:B4Na2O7
Chemicals No, Japan:1-69
CAS No.:1330-43-4
MW:201.22
ECNO:215-540-4
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.

4. First-aid measures
Descriptions of first-aid measures
General measures
IF exposed or concerned: Get medical advice/attention.
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.
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 mediaUse 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/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.

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pH9.18 Standard buffer solution,
JUNSEI CHEMICAL CO., LTD.,60178jis_J_E2-2,27/04/2021

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.

7. Handling and storage
Precautions for safe handling
Preventive measures(Exposure Control for handling personnel)
Avoid breathing dust/fume/gas/mist/vapors/spray.
(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.
Safety Measures
Obtain special instructions before use.
Do not handle until all safety precautions have been read and understood.
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 should not be mixed with the chemicals.
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.

8. Exposure controls/personal protection
Control parameters
Control value in MHLW is not available.
Adopted value(Sodium tetraborate)
Adopted value in JSOH is not available.
ACGIH(2004) TWA: 2mg/m3(I);
STEL: 6mg/m3(I) (URT irr)

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pH9.18 Standard buffer solution,
JUNSEI CHEMICAL CO., LTD.,60178jis_J_E2-2,27/04/2021
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): neoprene, nitrile, butyl rubber, viton, PVC,
impermeable or chemical resistant rubber
Consult with your glove and/or personnel equipment manufacturer for selection of
appropriate compatible materials.
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.

9. Physical and Chemical Properties
Information on basic physical and chemical properties
Physical state: Liquid
Color: Colorless
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: 9.18 (25℃)
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.
Vapor density data is not available.
VOC data is not available.
Evaporation rate 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.
Critical temperature data is not available.
No Particle characteristics data is not available.

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pH9.18 Standard buffer solution,
JUNSEI CHEMICAL CO., LTD.,60178jis_J_E2-2,27/04/2021
10. Stability and Reactivity
Reactivity
Reactivity data is not available.
Chemical stability
Stable under normal storage/handling conditions.
Possibility of hazardous reactions
Possibility of hazardous reactions data is not available.
Conditions to avoid
Contact with incompatible materials.
Heat.
Incompatible materials
Strong acids
Hazardous decomposition products
Boron oxides, Metal oxides

11. Toxicological Information
Information on toxicological effects
Acute toxicity
Acute toxicity (Oral)[GHS Cat. Japan, base data](Sodium tetraborate) rat LD50=2660mg/kg (HSDB, Access on May 2017)
Irritant properties
Skin corrosion/irritation data is not available.
Serious eye damage/irritation[GHS Cat. Japan, base data](Sodium tetraborate) human : irritation (ECETOC TR63, 1995)
Allergenic and sensitizing effects data is not available.
Mutagenic effects data is not available.
Carcinogenicity(Sodium tetraborate)
ACGIH-A4(2004) : Not Classifiable as a Human Carcinogen
Reproductive toxicity[GHS Cat. Japan, base data](Sodium tetraborate) cat. 1B; boric acid and borax, NITE primary risk assessment, 2008; ATSDR, 2010
STOT
STOT-single exposure[cat.3 (resp. irrit.)][GHS Cat. Japan, base data](Sodium tetraborate)
respiratory tract irritation (ATSDR, 2010; NITE primary risk assessment, 2008; ACGIH 7th,2005; DFGOT, 2013, Accsess on May 2017)
STOT-repeated exposure data is not available.
Aspiration hazard data is not available.
Information on other hazards
Data on the preparation itself is not available.

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pH9.18 Standard buffer solution,JUNSEI CHEMICAL CO., LTD.,60178jis_J_E2-2,27/04/2021
12. Ecological Information
Ecotoxicity
Aquatic toxicity
Hazardous to the aquatic environment (Acute)[GHS Cat. Japan, base data](Sodium tetraborate) Fish (Danio rerio) LC50=66mg/L/96hr (14.2mg-B/L/96hr) (EHC, 1998)
Water solubility(Sodium tetraborate) 2.56 g/100 ml(20℃) (ICSC, 2014)
Persistence and degradability
Persistence and degradability data is not available.
Bioaccumulative potential
Bioaccumulative potential data is not available.
Mobility in soil
Mobility in soil data is not available.
Other adverse effects
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
Dispose of contents/container in accordance with local/national regulation.

14. Transport Information
UN No., UN CLASSUN No. or ID No.: Not applicable
UN Proper Shipping Name : Not applicable
Class or division (Transport hazard class) : Not applicable
Packing group : Not applicableNot applicable to IMDG CodeNot applicable to IATA Dangerous Goods Regulations
Environmental hazards
MARPOL Annex III - Prevention of pollution by harmful substances
Marine pollutants (yes/no) : no
MARPOL Annex V - Prevention of pollution by garbage discharge
Reproductive toxicity: cat.1, 1A, 1B
Sodium tetraborate
Maritime transport in bulk according to IMO instruments
Non Noxious Liquid ; Cat. OSWater(OS-18)

15. Regulatory Information
Safety, health and environmental regulations/legislation specific for the substance or mixture
Chemicals listed in TSCA Inventory
Sodium tetraborate; Water
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 your responsibility.

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pH9.18 Standard buffer solution,JUNSEI CHEMICAL CO., LTD.,60178jis_J_E2-2,27/04/2021
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 informed by 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 labelling
H360-Repr. 1B: H360 May damage fertility or the unborn child
Reference Book
Globally Harmonized System of classification and labelling of chemicals, UN
Recommendations on the TRANSPORT OF DANGEROUS GOODS 21th edit., 2019 UN
IMDG Code, 2018 Edition (Incorporating Amendment 39-18)
IATA Dangerous Goods Regulations (62nd Edition) 2021
2020 EMERGENCY RESPONSE GUIDEBOOK (US DOT)
2020 TLVs and BEIs. (ACGIH)
JIS Z 7252 : 2019
JIS Z 7253 : 20192020 Recommendation on TLVs (JSOH)
Supplier's data/information
Chemicals safety data management system "GHS Assistant" Version 4.11 (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 your safety.
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).