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Sodium Sulfite Anhydrous,JUNSEI CHEMICAL CO., LTD.,12592jis_E-3,30/Jun/2022
Date of issue for the 1st edition : 18/Dec/2015
Date of revision : 30/Jun/2022

Safety Data Sheet

1. Identification of the substance/mixture and of the company/undertaking
Product identifier:Product name: Sodium Sulfite Anhydrous
Reference number(SDS):12592jis_E-3
Product type：
Food Additives※This product conform to JSFA(Japan's Specifications and Standards for Food Additives).
Relevant identified uses of the substance or mixture and uses advised against
Relevant identified uses of the product: Bleaching agents; Preservatives; Antioxidants
Uses advised against: Do not use for other purposes.
※Do not use in legumes/pulses, sesame seeds or vegetables.
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
Label elements
No GHS label element
No Signal word

3. Composition/information on ingredients
Mixture/Substance selection:
Substance
Ingredient name:Sodium sulfite
Content (%):95.0 <Chemical formula:Na2O3S
Chemicals No, Japan:1-502
CAS No.:7757-83-7
MW:126.04
ECNO:231-821-4

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/doctor/physician if you feel unwell.
IF ON SKIN (or hair）
Take off immediately all contaminated clothing. Rinse skin with water or shower.
If skin irritation or rash occurs: Get medical advice/attention.

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Sodium Sulfite Anhydrous,JUNSEI CHEMICAL CO., LTD.,12592jis_E-3,30/Jun/2022
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.
If victim is conscious, give 1 - 2 glasses of water.
Call a POISON CENTER/doctor/physician if you feel unwell.
Most important symptoms and effects, both acute and delayed(Symptoms when inhalation or ingestion)
Cough. Sore throat.

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.
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 full face peace operated
positive pressure mode.

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
Sweep up, place in a bag and hold for waste disposal.
If appropriate, moisten first to prevent dusting.
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, hot surfaces, sparks, open flames and other ignition sources. No smoking.

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Sodium Sulfite Anhydrous,JUNSEI CHEMICAL CO., LTD.,12592jis_E-3,30/Jun/2022(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, Oxidizing agents 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.
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
Adopted value in JSOH is not available.
Adopted value in ACGIH is not available.
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.
Consult with your glove and/or personnel equipment manufacturer for selection ofappropriate 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: Crystals or powder
Color: Colorless～WhiteOdor: NoneOdor threshold data is not available.
Melting point/Freezing point: >500℃

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Sodium Sulfite Anhydrous,JUNSEI CHEMICAL CO., LTD.,12592jis_E-3,30/Jun/2022
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: 600℃
Self-Accelerating Decomposition Temperature/SADT data is not available.
pH: 9.0～11.0 (50g/L, 25℃)
Dynamic viscosity data is not available.
Kinematic viscosity data is not available.
Solubility:
Solubility in water: 22g/100ml (20℃)
Solubility in solvent: Sparingly soluble in ethanol.
n-Octanol/water partition coefficient: log Pow-4
Vapor pressure data is not available.
Vapor density data is not available.
Density and/or relative density: 2.63
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.

10. Stability and Reactivity
Reactivity
Runaway polymerization will not occur.
Chemical stability
Stable under normal storage/handling conditions.
Possibility of hazardous reactions
Decomposes on heating. This produces toxic and corrosive fumes.
The substance is a strong reducing agent. It reacts violently with oxidants.
Reacts with strong acids. This produces toxic sulfur oxides.
Conditions to avoid
Contact with incompatible materials.
Heat.
Incompatible materials
Strong acids, Oxidizing agents
Hazardous decomposition products
Sulfur oxides, Sodium oxides

11. Toxicological Information
Information on toxicological effects
Acute toxicity
Acute toxicity (Oral)
rat LD50 >= 3560 mg/kg (SIDS, 2008)
Irritant properties
Skin corrosion/irritation
rabbit (OECD TG404) : not irritating (SIDS, 2008)

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Sodium Sulfite Anhydrous,JUNSEI CHEMICAL CO., LTD.,12592jis_E-3,30/Jun/2022
Serious eye damage/irritation
rabbit (OECD TG405) : not irritating (SIDS, 2008)
Allergenic and sensitizing effects data is not available.
Mutagenic effects data is not available.
Carcinogenicity[IARC]
Gr.3 : Not Classifiable as a Human Carcinogen.
Reproductive toxicity data is not available.
STOT
STOT-single exposure data is not available.
STOT-repeated exposure data is not available.
Aspiration hazard data is not available.

12. Ecological Information
Ecotoxicity
Aquatic toxicity
Hazardous to the aquatic environment (Acute)
Crustacea(Daphnia magna) EC50=118 mg/L/48hr (SIDS, 2008)
Hazardous to the aquatic environment (Long-term)
Crustacea(Daphnia magna) NOEC >13 mg/L/21days (SIDS, 2008)
Water solubility
22 g/100 ml (20℃) (ICSC, 2009)
Persistence and degradability
Persistence and degradability data is not available.
Bioaccumulative potential
log Pow=-4 (ICSC, 2009)
Mobility in soil
Mobility in soil data is not available.
Other adverse effects
Ozone depleting chemical data 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
Maritime transport in bulk according to IMO instruments
Not applicable to Maritime transport in bulk according to IMO instruments

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Sodium Sulfite Anhydrous,JUNSEI CHEMICAL CO., LTD.,12592jis_E-3,30/Jun/2022
15. Regulatory Information
Safety, health and environmental regulations/legislation specific for the substance or mixture
Chemicals listed in TSCA Inventory
Sodium sulfite
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.

16. Other information
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)
2021 TLVs and BEIs. (ACGIH)
JIS Z 7252 : 2019
JIS Z 7253 : 20192021 Recommendation on TLVs (JSOH)
Supplier's data/information
Chemicals safety data management system "GHS Assistant" Version 4.17 (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)7/7
Sodium Sulfite Anhydrous,JUNSEI CHEMICAL CO., LTD.,12592jis_E-3,30/Jun/2022
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 (NITEpublished in 2020).