Sorensen's Phosphate Buffer 2M, pH6.8

1. Identification

Product Identifiers

Product Name

Sorensen's Phosphate Buffer 2M

Other Names

Sorenson's Buffer concentrated solution; Sorenson's concentrate

Product Number(s)

ASOR68C

CAS Number

-

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

Danger

Hazard Statement(s)

Not classified as Hazardous according to the Globally Harmonised System of Classification and Labelling of Chemicals (GHS) and Safe Work Australia criteria.

Precautionary Statement(s)

Not available.

Primary route(s) of entry

Human Health

Inhalation

Not available.

Ingestion

Not available.

Eyes

Not available.

Skin

Not available.

Environment

3. Composition / Information on Ingredients

No information provided.

4. First Aid Measures

Ingestion

Call a poison centre or doctor if you feel unwell. If vomiting occurs naturally, have victim lean forward to reduce the risk of aspiration. Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person.

Inhalation

If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Seek medical attention if breathing problems develop.

Skin Contact

In case of skin contact, immediately remove contaminated clothing and wash affected areas with water and soap. Seek medical attention if symptoms persist.

Eye Contact

If contact with the eye(s) occurs, wash with copious amounts of water for approximately 15 minutes holding eyelid(s) open. Take care not to rinse contaminated water into the non-affected eye. If persistent irritation occurs, obtain medical attention.

Other Information

General advice: First Aid Facilities: Maintain eyewash fountain in work area.

5. Firefighting Measures

Suitable extinguishing equipment

Fire

• Use fire extinguishing media appropriate for surrounding environment. Use water spray, dry chemical, carbon dioxide, or appropriate foam.
• This material is substantially water.

HAZCHEM

• Hazards from Combustion Products: May librate toxic fumes in fire.
• Material does not burn.

Special protective equipment and precautions for fire fighters

6. Accidental Release Measures

Personal precautions, protective equipment and emergency procedures

Ensure adequate ventilation. Use personal protective equipment. For personal protection see section 8.

Environmental precautions

In the event of a major spill, prevent spillage from entering drain.

Methods and materials for containment and clean up

Absorb with dry earth, sand or other non-combustible material. Use clean nonsparking tools to collect and seal in properly labelled drums for disposal in an area approved by local authority bylaws. Wash area down with excess water to remove residual material.

7. Handling and Storage

Precautions for safe handling

Avoid contact with skin and eyes. Avoid inhalation of vapour or mist. For precautions see section 2.2.

Conditions for safe storage

• Store in a cool, dry, well-ventilated area, out of direct sunlight. Store in suitable, labelled containers. Keep containers tightly closed. Store
• away from incompatible materials. Ensure that storage conditions comply with applicable local and national regulations.

8. Exposure Controls / Personal Protection

Exposure Standards

Engineering controls

Use ventilation adequate to keep exposures (airborne levels of dust, fume, vapour, gas, etc.) below recommended exposure limits.

Personal protective equipment

Eye and face protection

The use of a face shield, chemical goggles or safety glasses with side shield protection as appropriate. Must comply with Australian Standards AS 1337 and be selected and used in accordance with AS 1336.

Skin protection

• Clean impervious clothing should be worn. Clothing for protection against chemicals should comply with AS 3765 Clothing for Protection Against Hazardous Chemicals.
• Hand Protection: Ensure hand protection complies with AS 2161, Occupational protective gloves - Selection, use and maintenance.

Body protection

• Footwear: Safety boots in industrial situations is advisory, foot protection should comply with AS 2210, Occupational protective footwear - Guide to selection, care and use.
• Body Protection: Clean clothing or protective clothing should be worn, preferably with and apron. Clothing for protection against chemicals should comply with AS 3765 Clothing for Protection Against Hazardous Chemicals.

Respiratory protection

• If engineering controls are not effective in controlling airborne exposure then an approved respirator with a replaceable vapour/ mist filter should be used. Refer to relevant regulations for further information concerning respiratory protective requirements. Reference should be made to Australian Standards AS/ NZS 1715, Selection, Use and Maintenance of Respiratory Protective Devices; and AS/NZS 1716,
• Respiratory Protective Devices, in order to make any necessary changes for individual circumstances.

9. Physical and Chemical Properties

General information

Appearance

Clear liquid

Odour

faint odour of thymol

pH

6.8 - 7.2

Vapour Pressure

Not available.

Density

1.0

Boiling Point

100 °C

Melting Point

0 °C

Solubility

Completely soluble in water.

Specific Gravity of Density

Not available.

Flash Point

Not applicable.

Flammable (Explosive) Limits

Not applicable.

Ignition Temperature

Not applicable.

Formula

Not available.

10. Stability and Reactivity

Reactivity

Stable under normal conditions of storage and handling.

Chemical stability

Stable under recommended storage conditions.

Possibility of hazardous reactions

Hazardous Polymerization: Will not occur.

Conditions to avoid

Avoid storing in direct sunlight and avoid extremes of temperature.

Incompatible materials

Strong oxidising agents.

11. Toxicological Information

Acute effects

Inhalation: May cause mild irritation to the respiratory tract.

Eye contact

May cause mild irritation and possible reddening.

Skin contact

May cause mild irritation and redness.

Ingestion

May cause irritation of mouth, throat and stomach, pain, vomiting and diarrhoea.

Inhalation

No data available

Toxicity and irritation

Based on classification principles, the classification criteria are not met.

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

Waste material must be disposed of in accordance with the national and local regulations. Leave chemicals in original containers.

13. Disposal Considerations

General information

14. Transport Information

ADG label required

HAZCHEM

• Hazards from Combustion Products: May librate toxic fumes in fire.
• Material does not burn.

UN Number

None.

Proper shipping name

Not regulated.

Transport hazard class

0

Packing group

None.

Environmental hazard

No information available.

Special precautions for users

No information available.

Additional information

No information available.

15. Regulatory Information

Poisons Schedule Number

Not Scheduled.

Other Information

No further relevant information available.

16. Other Information

SDS preparation date

2 March 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.

References

Safety Data sheet Sorsnsen Buffer concentrate version 1 29-10-2024. https://www.chemsupply.com.au/uploads/sds/Z97WGTU6.pdf-utm_source=chatgpt.com