SAFETY DATA SHEET according to EC directive 93/112/EC
SWELLGEL

Version 2     Revision date: 23.09.2003            

IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND THE COMPANY/UNDERTAKING

Product Information

Product Name: SwellGel

COMPANY: Glowcroft Ltd, Williamsport Way, Lion Barn Industrial Estate, Needham Market,                  Suffolk IP6 8RW, Telephone: 01449 723330, Fax: 01449 723675

COMPOSITION/INFORMATION ON INGREDIENTS

Chemical characterisation:
Chemical Name:Anionic Polyacrylamide
Chemical formula:Polymer
Common Name:SwellGel
CAS No.:390-690-9           
Hazard Classification:0
Risks (R-phrases)none

HAZARDS IDENTIFICATION

No hazard rating.  Not listed as hazardous for shipment by land, sea or air

FIRST AID MEASURES
Eye contact: Rinse with much water for a prolonged time. If ill effects occur seek medical advice.                   
Skin contact: Wash with water and soap. Take off contaminated clothing.
Ingestion: If ill effects occur seek medical advice immediately.
                                               
FIRE-FIGHTING MEASURES
Specific hazards during fire: In case of fire carbon monoxide,           fighting nitrogen oxides
Special protective equipment: Self contained positive pressure for fire fighters breathing           apparatus, goggles, gloves, overalls and boots.
Suitable extinguishing media: Water mist, foam,carbon dioxide,dry powder. Avoid using water as product becomes very slippery when wet.

ACCIDENTAL RELEASE MEASURES

Personal precautions: Spilled product in contact with water or moisture causes surfaces to become extremely slippery.  If slipperiness remains, apply dry sweeping compound.

Environmental precautions           : Collect and flush small residuals with much water into the drain for subsequent biological waste effluent treatment.

HANDLING AND STORAGE

Handling

Safe handling advice: Use respiratory protection when exceeding limit (see Personal Protection) and dust is formed. Ensure sufficient workplace ventilation.
Advice on protection against: No special requirements fire and explosion

Storage
Requirements for storage: Do not use iron, copper or aluminium containers areas and containers or equipment

EXPOSURE CONTROLS/PERSONAL PROTECTION

Components with workplace control parameters

Control parameters: UK HSE EH40

Exposure controls: 10mg/m3  8-hour TWA total inhalable dust 4mg/m3  8-hour TWA respirable dust

Personal protection equipment

Respiratory protection: Dust mask in dusty atmospheres (disposable EN149 FFP2S).
Hand protection: Gloves
Eye protection: Protective goggles or safety glasses
Skin protection: Overalls and boots

PHYSICAL AND CHEMICAL PROPERTIES 

Appearance

Form: Powder

Particle size: 200 – 2000 um
Colour            : off white
Odour: odourless

Other data

Fusing temperature: Not applicable

Starts to boil at: Not applicable
Flash point: Not applicable
Ignition temperature            : Not determined
Upper explosion limit: Not applicable
Vapour pressure: <20 hPa at 20.0 oC                                           

Bulk density: 650 kg/m3

Water solubility: at 20.0 oC Essentially insoluble. Swells                     
pH: 7.75 at 1.0 g/l               
Viscosity, dynamic: at 20.0 oC Not applicable
                                                         

STABILITY AND REACTIVITY

Thermal decomposition: >200 oC Stable under usual application conditions

                                                         
TOXICOLOGICAL INFORMATION

Acute oral toxicity: LD50 Dose: >5000 mg/kg Limit test                      

Acute dermal toxicity: LD50 Dose: >2000 mg/kg Limit test                
Skin irritation            : Rabbit Method: OECD Nr. 404, Not irritative to the skin
Eye irritation : Rabbit Method: OECD Nr. 405 Not irritative                                                    
Sensitisation : No sensitisation

ECOLOGICAL INFORMATION

Elimination information (persistence and degradability)

Biodegradability: Result: Not rapidly degradable under aerobic conditions.

Ciliate toxicity: EC50 Tetrahymena pryriformis 6000 mg/1: Exposure time: 24.00 h

Bacterial toxicity: EC50 Ps. Putida 8000 mg/1: Exposure time: 24.00 h Method: DEV L 8

Fish toxicity: LC50 Leuciscus idus ~ 3600 mg/1: Exposure time: 96.00 h  Method: OECD Nr 203
Fish toxicity: LC50 Brachydanio rerio  ~ 5000 mg/1: Exposure time: 96.00 h Method: OECD Nr. 203                                                  
DISPOSAL CONSIDERATIONS

Product: Dispose of whilst observing local legal regulations, e.g. in a suitable incineration plant.                                 

Contaminated packaging: Undamaged packaging may be responsibly reused after proper cleaning.
                                                             
TRANSPORT INFORMATION

Further information: Not restricted according to transport regulations.

REGULATORY INFORMATION

Labelling according to EEC Directive

General advice: not subject to compulsory marking

Symbol: none required
Risk phrases            : none
Safety phrases: S82 – Spills are slippery when wet

OTHER INFORMATION

Residual monomers           : acrylamide < 0.02%

Residual monomers           : Acrylic acid < 0.06%