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New User sign up to receive CD rom of site 4000 pages of  technical information plus a discount from our web store. Dryden Aqua Ltd, Butlerfield, Bonnyrigg, Edinburgh, Scotland EH19 3JQ, UK  Tel +44 (0)18758 22222 Fax +44 (0) 18758 22229

MATERIAL SAFETY DATA SHEET No. 5

DRYDEN AQUA LTD ISSUE : 1 REVISION : 0 DATE : 27.01.99 No. of pages : 3

1. PRODUCT AND COMPANY IDENTIFICATION

Product Code 3.14.1

Trade Name Magnaspheres

Supplier Dryden Aqua Ltd

Address Butlerfield Industrial Estate (Newtongrange)

Bonnyrigg, Edinburgh, EH19 3JQ, Scotland

Telephone Number 01875 822222

Fax Number 01875 822229

2. PRODUCT COMPOSITION

Product Type Magnesium hydroxide

Chemical Formula Mg(OH)2

CAS No. 1309-42-8

3. HAZARD IDENTIFICATION

Nuisance dust

4. FIRST AID MEASURES

Inhalation

Remove to fresh air, rest and keep warm. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. In severe cases, or if recovery is not rapid or complete, seek medical attention.

Prolonged Skin Contact Remove contaminated clothing. Wash skin thoroughly with soap in running water.

Eye Contact Irrigate with copious amount of water (remove Contact lenses if possible).

Ingestion Do not induce vomiting because of risk of aspiration. Harmless if swallowed.

Contaminated clothing Wash before reuse

5. FIRE FIGHTING MEASURES

Not combustible

6. ACCIDENTAL RELEASE MEASURES

Personal Precautions Wear appropriate PPE - See 8 below.

Instructions for removal Collect as solid waste and transfer to suitable containers. Avoid raising dust. Hold for waste disposal. Ventilate area and wash spill site after pick up is complete

7. HANDLING AND STORAGE

Handling Good general ventilation. Local exhaust ventilation required. Wear appropriate PPE.

Storage Store in cool, dry place.

8. EXPOSURE CONTROLS / PERSONAL PROTECTION

Respiratory Protection Local exhaust ventilation system and general ventilation should be provided to control atmospheric dust to below the occupational exposure standard of 10 mg/m³ as Mg (8-hour TWA total inhalable – EH40/92). NIOSH / MSHA approved respirator (to EN149 FFP2(s)) where exposure standard likely to be exceeded. Do not breathe dust.

Eye Protection Chemical Safety Goggles to an approved

standard. Ensure eye bath is available.

Handling For prolonged exposure, wear gloves suitable for work being carried out. No particular specification is required to suit the dust. If abnormal skin sensitisation occurs, consult medical advisor for suitable barrier cream.

9. PHYSICAL AND CHEMICAL PROPERTIES

Appearance White or off-white powder

Odour None

pH 10.5 in aqueous suspension of 100g/l at 18°C.

Melting point >2100°C*

Boiling point >2100°C*

Flammability Non combustible

Oxidising properties None

Vapour pressure Negligible

Specific gravity 2.36

Solubility in water Soluble, 0.0009g/100ml at 18°C

Percent volatile Negligible

Evaporation rate Negligible

* Decomposes with loss of combined water at 350°C

10. Stability and Reactivity

Conditions to avoid Very stable with no potential adverse reactions under normal conditions.

Materials to avoid Will react with acidic solutions which may produce an exothermic reaction.

Hazardous decomposition products Decomposes to magnesium oxide at 350°C with the evolution of steam.

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    11. Toxicological Information

    Non toxic

    12. Ecological Information

    No adverse ecological effect.

    13. Disposal Considerations

    Waste material is considered inert and may be disposed of in sanitary landfills. In UK, observe duty of care requirements.

    14. Transport Information

    No special risk, non hazardous product.

    15. Regulatory Information

    UK occupational exposure standard 10 mg/m³ as Mg (8 hour TWA – total inhalable) nuisance dust.

    The information contained in this data sheet does not constitute an assessment of workplace risks.

    16. Other

    Training Advice Wear and Use personal protection equipment

     The information contained in this Material Safety Data Sheet was the best available at the time of

    printing. It is given in good faith, no warranty is implied with respect to the quality or specification of the product. The user must satisfy himself/herself that the product is entirely suitable for his/her purpose. The user should check for particular requirements of the country in which the product is to be used.

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