Di Sodium Salt (SITS)

1. Identification

Product Identifiers

Product Name

Di Sodium Salt (SITS)

Other Names

Not available.

Product Number(s)

10030, EMS10030

CAS Number

51023-76-8

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

None

Hazard Statement(s)

• Hazard-determining components of labelling:
• 4-Acetamido-4'-isothiocyanostilbene-2,2'-disulfonic acid, disodium salt
• Toxic if swallowed.
• Causes skin irritation.
• Causes serious eye irritation.
• May cause allergy or asthma symptoms or breathing difficulties if inhaled.
• May cause respiratory irritation.

Precautionary Statement(s)

• Avoid breathing dust/fume/gas/mist/vapours/spray.
• Wash thoroughly after handling.
• Do not eat, drink or smoke when using this product.
• Use only outdoors or in a well-ventilated area.
• Wear protective gloves/eye protection/face protection.
• Wear respiratory protection.

Human Health

Inhalation

Remove victim to fresh air and keep at rest in a position comfortable for breathing. If experiencing respiratory symptoms: Call a POISON CENTER/doctor.

Ingestion

Immediately call a POISON CENTER/doctor. Rinse mouth.

Eyes

Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER/doctor if you feel unwell. If eye irritation persists: Get medical advice/attention.

Skin

Wash with plenty of water. Take off contaminated clothing and wash it before reuse. If skin irritation occurs: Get medical advice/attention.

Environment

3. Composition / Information on Ingredients

4. First Aid Measures

Ingestion

Do not induce vomiting; call for medical help immediately.

Inhalation

In case of unconscious place patient stably in side position for transportation.

Skin Contact

Immediately wash with water and soap and rinse thoroughly.

Eye Contact

Rinse opened eye for several minutes under running water. If symptoms persist, consult a doctor.

Other Information

• Immediately remove any clothing soiled by the product.
• In case of irregular breathing or respiratory arrest provide artificial respiration.

5. Firefighting Measures

Suitable extinguishing equipment

Fire

Use fire extinguishing methods suitable to surrounding conditions.

HAZCHEM

No further relevant information available.

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.

Conditions for safe storage

Keep container tightly sealed.

8. Exposure Controls / Personal Protection

Exposure Standards

Engineering controls

• Keep away from foodstuffs, beverages and feed.
• Immediately remove all soiled and contaminated clothing.
• Wash hands before breaks and at the end of work.
• Avoid contact with the eyes and skin.

Personal protective equipment

Eye and face protection

Tightly sealed goggles.

Skin protection

Protective gloves. The glove material has to be impermeable and resistant to the product/the substance/the preparation. Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation. The exact break through time has to be found out by the manufacturer of the protective gloves and has to be observed.

Body protection

Protective clothing.

Respiratory protection

In case of brief exposure or low pollution use respiratory filter device. In case of intensive or longer exposure use self-contained respiratory protective device.

9. Physical and Chemical Properties

General information

Appearance

Solid

Odour

Characteristic.

pH

Not determined.

Vapour Pressure

Not determined.

Density

Not determined.

Boiling Point

Undetermined.

Melting Point

Undetermined.

Solubility

Fully miscible in water.

Specific Gravity of Density

Not available.

Flash Point

Not applicable.

Flammable (Explosive) Limits

Not determined.

Ignition Temperature

Not determined.

Formula

C₁₇H₁₂N₂O₇S₃Na₂

10. Stability and Reactivity

Reactivity

No further relevant information available.

Chemical stability

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

No further relevant information available.

Eye contact

Irritating effect.

Skin contact

Irritant to skin and mucous membranes.

Ingestion

No further relevant information.

Inhalation

Sensitisation possible through inhalation.

Toxicity and irritation

No further relevant information available.

12. Ecological Information

Ecotoxicity

No further relevant information available.

Persistence and degradability

No further relevant information available.

Bioaccumulative potential

No further relevant information available.

Other adverse effects

• Water hazard class 1: Slightly hazardous for water.
• Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system.

13. Disposal Considerations

General information

14. Transport Information

ADG label required

HAZCHEM

No further relevant information available.

UN Number

UN2810

Proper shipping name

2810 TOXIC LIQUID, ORGANIC, N.O.S. (4-Acetamido-4'-isothiocyanostilbene-2,2'-disulfonic acid, disodium salt)

Transport hazard class

Class 6.1 Toxic substances.

Packing group

III

Environmental hazard

Not applicable.

Special precautions for users

• Warning: Toxic substances.
• Hazard identification number (Kemler code): 60
• EMS Number: F-A, S-A
• Stowage Category: A
• Stowage Cde: SW2 Clear of living quarters.

Additional information

• Limited quantities (LQ): 5L
• Excepted quantities (EQ) Code: E1
• Maximum net quantity per inner packaging: 30mL
• Maximum net quantity per outer packaging: 1000mL
• Transport category: 2
• Tunnel restriction code: E

15. Regulatory Information

Poisons Schedule Number

Substance is not listed.

Other Information

A Chemical Safety Assessment has not been carried out.

16. Other Information

SDS preparation date

27 February 2026

Comments

This information is based on our present knowledge. However, this shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship.