Sodium Sulphite, ACS Grade

1. Identification

Product Identifiers

Product Name

Sodium Sulphite, ACS Grade

Other Names

nil

Product Number(s)

21300, EMS21300

CAS Number

7757-83-7

Recommended use of the chemical and restriction on use

Company Details

Emergency Contact Details

2. Hazards Identification

Classification of the substance or mixture

Label Elements

Signal Words

Warning

Hazard Statement(s)

Harmful if swallowed.

Precautionary Statement(s)

• Wash thoroughly after handling.
• Do not eat, drink or smoke when using this product.
• If swallowed: Call a poison center/doctor if you feel unwell. Rinse mouth.
• Dispose of contents/container in accordance with local/regional/national/international regulations

Primary route(s) of entry

Human Health

Inhalation

no information available.

Ingestion

Harmful if swallowed

Eyes

no information available.

Skin

no information available.

Environment

3. Composition / Information on Ingredients

4. First Aid Measures

Ingestion

Immediately call a doctor.

Inhalation

Supply fresh air; consult doctor in case of complaints

Skin Contact

Generally the product does not irritate the skin

Eye Contact

Rinse opened eye for several minutes under running water.

Other Information

• Symptoms of poisoning may even occur after several hours; therefore medical observation for at least 48 hours after the accident.
• Indication of any immediate medical attention and special treatment needed
• No further relevant information available.

5. Firefighting Measures

Suitable extinguishing equipment

Fire

Use fire fighting measures that suit the environment.

HAZCHEM

No Information availalble

Special protective equipment and precautions for fire fighters

6. Accidental Release Measures

Personal precautions, protective equipment and emergency procedures

Not required.

Environmental precautions

• Dilute with plenty of water.
• Do not allow to enter sewers/ surface or ground water.

Methods and materials for containment and clean up

• Absorb with liquid-binding material (sand, diatomite, acid binders, universal binders, sawdust).
• Dispose contaminated material as waste according to item 13.
• Ensure adequate ventilation.

7. Handling and Storage

Precautions for safe handling

• Ensure good ventilation/exhaustion at the workplace.
• Prevent formation of aerosols.
• Information about protection against explosions and fires: No special measures required.

Conditions for safe storage

• Requirements to be met by storerooms and receptacles: No special requirements.
• Information about storage in one common storage facility: Not required.
• Further information about storage conditions: None.
• Specific end use(s) No further relevant information available.

8. Exposure Controls / Personal Protection

Exposure Standards

Engineering controls

• Exposure controls
• Personal protective equipment:
• General protective and hygienic measures:
• Keep away from foodstuffs, beverages and feed.
• Wash hands before breaks and at the end of work.

Personal protective equipment

Eye and face protection

Goggles recommended during refilling.

Skin protection

• Protection of hands:
• The glove material has to be impermeable and resistant to the product/ the substance/ the preparation.
• Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the chemical mixture.
• Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation

Body protection

• Material of gloves
• The selection of the suitable gloves does not only depend on the material, but also on further marks of quality and
• varies from manufacturer to manufacturer.

Respiratory protection

In case of brief exposure or low pollution use respiratory filter device. In case of intensive or longer exposure use respiratory protective device that is independent of circulating air.

9. Physical and Chemical Properties

General information

Appearance

white solid

Odour

Sulphurous

pH

Undetermined

Vapour Pressure

Undetermined

Density

Density at 20 °C (68 °F): 2.63 g/cm³ (21.94735 lbs/gal)

Boiling Point

Undetermined

Melting Point

Undetermined

Solubility

Fully miscible.

Specific Gravity of Density

Not determined.

Flash Point

Not applicable

Flammable (Explosive) Limits

Not determined.

Ignition Temperature

Not determined.

Formula

Not stated

10. Stability and Reactivity

Reactivity

No further relevant information available.

Chemical stability

Thermal decomposition / conditions to be avoided: No decomposition if used according to specifications.

Possibility of hazardous reactions

No dangerous reactions known.

Conditions to avoid

No further relevant information available

Incompatible materials

No further relevant information available

11. Toxicological Information

Acute effects

nil

Eye contact

No irritant effect.

Skin contact

No irritant effect.

Ingestion

not stated

Inhalation

not stated

Toxicity and irritation

Sensitization: No sensitizing effects known.

12. Ecological Information

Ecotoxicity

• General notes:
• Water hazard class 1 (Assessment by list): slightly hazardous for water
• Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system

Persistence and degradability

No further relevant information available

Bioaccumulative potential

No further relevant information available

Other adverse effects

No further relevant information available

13. Disposal Considerations

General information

14. Transport Information

ADG label required

HAZCHEM

No Information availalble

UN Number

Void

Proper shipping name

Void

Transport hazard class

Void

Packing group

Void

Environmental hazard

Not applicable.

Special precautions for users

Not applicable.

Additional information

not applicable

15. Regulatory Information

Poisons Schedule Number

not availalble

Other Information

• Hazard-determining components of labeling:
• SODIUM SULFITE
• Hazard statements: Harmful if swallowed.
• Precautionary statements:
• Wash thoroughly after handling.
• Do not eat, drink or smoke when using this product.
• If swallowed: Call a poison center/doctor if you feel unwell.
• Rinse mouth.
• Dispose of contents/container in accordance with local/regional/national/international regulations.
• Chemical safety assessment: A Chemical Safety Assessment has not been carried out.

16. Other Information

SDS preparation date

27 February 2026

Comments

• Abbreviations and acronyms:
• ADR: Accord européen sur le transport des marchandises dangereuses par Route (European Agreement concerning the International
• Carriage of Dangerous Goods by Road)
• IMDG: International Maritime Code for Dangerous Goods
• DOT: US Department of Transportation
• IATA: International Air Transport Association
• ACGIH: American Conference of Governmental Industrial Hygienists
• EINECS: European Inventory of Existing Commercial Chemical Substances
• CAS: Chemical Abstracts Service (division of the American Chemical Society)
• NFPA: National Fire Protection Association (USA)
• HMIS: Hazardous Materials Identification System (USA)
• VOC: Volatile Organic Compounds (USA, EU)
• LC50: Lethal concentration, 50 percent
• LD50: Lethal dose, 50 percent
• PBT: Persistent, Bioaccumulative and Toxic
• vPvB: very Persistent and very Bioaccumulative
• NIOSH: National Institute for Occupational Safety
• OSHA: Occupational Safety Health
• TLV: Threshold Limit Value
• PEL: Permissible Exposure Limit
• REL: Recommended Exposure Limit
• Acute Tox. 4: Acute toxicity - Category 4

References

Safety Data Sheet SODIUM SULFITE, REAGENT ACS https://www.emsdiasum.com/docs/technical/msds/21300.pdf, 24/11/2020