Phosphotungstic Acid (PTA)

1. Identification

Product Identifiers

Product Name

Phosphotungstic Acid

Other Names

PTA

Product Number(s)

C072

CAS Number

12501-23-4

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)

• Harmful if swallowed or if inhaled.
• Causes severe skin burns and eye damage.

Precautionary Statement(s)

• Wear eye protection / face protection.
• Wash thoroughly after handling.
• Avoid contact with the eyes and skin.
• Do not eat, drink or smoke when using this product.
• Use only outdoors or in a well-ventilated area.
• IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
• IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
• Continue rinsing.
• Immediately call a POISON CENTER/doctor.
• Specific treatment (see on this label).
• IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
• IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• Wash contaminated clothing before reuse.
• IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• Store locked up.
• Dispose of contents/container in accordance with local/regional/national/international regulations.

Primary route(s) of entry

Human Health

Inhalation

Harmful if inhaled.

Ingestion

Harmful if swallowed.

Eyes

Causes severe eye damage.

Skin

Causes severe skin burns.

Environment

3. Composition / Information on Ingredients

4. First Aid Measures

Ingestion

Drink plenty of water and provide fresh air. Call for a doctor immediately.

Inhalation

In case of unconsciousness 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. Then consult a doctor.

Other Information

Immediately remove any clothing soiled by the product.

5. Firefighting Measures

Suitable extinguishing equipment

Fire

CO₂, powder or water spray. Fight larger fires with water spray or alcohol resistant foam.

Large Fire

CO₂, powder or water spray. Fight larger fires with water spray or alcohol resistant foam.

HAZCHEM

Not available.

Special protective equipment and precautions for fire fighters

6. Accidental Release Measures

Personal precautions, protective equipment and emergency procedures

Not available.

Environmental precautions

Not available.

Methods and materials for containment and clean up

• Absorb with liquid-binding material (sand, diatomite, acid binders, universal binders, sawdust).
• Use neutralising agent.
• 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.

Personal protective equipment

Eye and face protection

Wear tightly sealed goggles.

Skin protection

Wear protective gloves. Wash hands before breaks and at the end of work.

Body protection

Wear protective clothing. Immediately remove all soiled and contaminated 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

White solid

Odour

Characteristic

pH

Not determined.

Vapour Pressure

Not determined.

Density

Not determined.

Boiling Point

Undetermined.

Melting Point

95°C

Solubility

Not miscible or difficult to mix

Specific Gravity of Density

Not determined.

Flash Point

Not applicable.

Flammable (Explosive) Limits

Not applicable.

Ignition Temperature

Not determined.

Formula

Not available.

10. Stability and Reactivity

Reactivity

No further relevant information available.

Chemical stability

No further relevant information available.

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

• Strong caustic effect.
• Strong irritant with the danger of severe eye injury.

Skin contact

No sensitising effects known.

Ingestion

Swallowing will lead to a strong caustic effect on mouth and throat and to the danger of perforation of esophagus and stomach.

Inhalation

No further relevant information available.

Toxicity and irritation

Strong caustic effect on skin and mucous membranes.

12. Ecological Information

Ecotoxicity

Must not reach sewage water or drainage ditch undiluted or unneutralised.

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

Not available.

UN Number

UN1759

Proper shipping name

1759 CORROSIVE SOLID, N.O.S.

Transport hazard class

8

Packing group

PG II

Environmental hazard

This is not a marine pollutant.

Special precautions for users

Warning: Corrosive substances.

Additional information

• ADG
• Limited quantities (LQ) 1 kg
• Excepted quantities (EQ) Code: E2
• Maximum net quantity per inner packaging: 30 mL
• Maximum net quantity per outer packaging: 500 mL
• Transport category 2
• Tunnel restriction code E

15. Regulatory Information

Poisons Schedule Number

No information available.

Other Information

No further relevant information available.

16. Other Information

SDS preparation date

6 October 2021

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.