1. PRODUCT IDENTIFICATION 

Product name : Barite 

Use of the substance : Oil well drilling fluid additive, weighting agent 

2. COMPOSITION/INFORMATION ON INGREDIENTS 

Synonyms : Barium Sulfate 

CAS No. : 7727-43-7 M : 233.40 g/mol 

3. HAZARDS IDENTIFICATION 

NFPA rating : Health: 1 Flammability: 0 Reactivity: 0 

EMERGENCY OVERVIEW: 

Caution may cause eye, skin andrespiratory tract irritation. Avoid contact with eyes, skin and clothing. Avoid breathing airborne product. Keep container closed. Use with adequate  ventilation. Wash thoroughly after handling. 

This product is a/an transparent tan to powder. Slippery when wet. A nuisance dust. 

4. FIRST AID MEASURES 

After inhalation : fresh air 

After skin contact : wash off with plenty of water. 

After eye contact : rinse out with plenty of water with the eyelid wide open After swallowing : make victim drink plenty of water,  

Consult doctor if feeling unwell 

5. FIRE FIGHTING MEASURES 

Suitable extinguishing media : this material is not combustible. Use extinguising media  appropriate for surrounding fire 

Special risks : NA 

unusual fire & explosion hazards : NA 

6. ACCIDENTAL RELEASE MEASURES 

Wear appropriate personal protective equipment 

Spills: Pick up and place in a suitable  container for reclamation or disposal, using a method that does not generate dust. 

7. HANDLING AND STORAGE 

Handling Precautions :  

Avoid generating dust by excessive or unnecessary movement. 

Provide good ventilation. Mechanical ventilation or local excaust ventilation is required Storage Precautions : Store at moderate temperature in dry, well ventilated area

Revised : Jan 2017 MSDS : Barite Review : Jan 2022 Page : 1 of 3 

8. EXPOSURE CONTROLS AND PERSONAL PROTECTION 

Airborne Exposure Limits : 

OSHA Permissible Exposure Limit (PEL): 

mineral dusts containing crystaline silica are 10 mg/m3 for quarts and ½ the calculated quartz  value for cristobalite and tridyamin 

Ventilation : good general ventilation should be provided Respiratory protection : required when dusts are generated, respirator with dust filter Skin Protection : Wear protective clothing, boots, rubber gloves, lab coat. Eye Protection : Chemical splash goggles 

9. PHYSICAL AND CHEMICAL PROPERTIES 

Appearance : Powder, dust 

Odour : Odourless or no characteristic odor Color : Tan to grey 

Solubility description : insoluble in water 

Melt / frez point (° F, interval) : 2876 

Density/Specific Gravity (gr/mL) : 4.2 – 4 temperature (°F) : 68 

Bulk density : 107 – 135 lb/cu ft : 1714 – 2163 kg.m3 Vapor Density (air =1) : NA 

10. STABILITY AND REACTIVITY 

Stability : Normally stable 

Conditions to be avoided : NA 

Substances to be avoided : NA 

Hazardous polymerization : will not polymer 

Materials to be avoid : NA 

Hazardous decomposition products : No specific hazardous decomposition products noted 

11. TOXICOLOGICAL INFORMATION 

no toxicological data is available for this product 

12. ECOLOGICAL INFORMATION 

Offshore discharge of drilling fluids, when tested in a standard drilling fluid 13. DISPOSAL CONSIDERATIONS 

Whatever cannot be saved for recovery or recycling should be managed in an appropriate and  approved waste disposal facility. Processing, use or contamining of this product may change  the waste management options. 

14. TRANSPORT INFORMATION 

Not regulated. 

15. REGULATORY INFORMATION 

Labelling according to EC Directives 

Symbol: --- R-phrases: --- S-phrases: ---

Revised : Jan 2017 MSDS : Barite Review : Jan 2022 Page : 2 of 3 

16. OTHER INFORMATION 

The information accumulated here in is believed to be accurate but is not warranted to be  whether originating with the company or not. 

Health and Safety Data Sheet should be used only as a guide to the safe handling of the  product, and is not intended as a technical specification.  

Revision information : In the left margin indicates a revision or addition of information since  the previous issue  

Prepared by : Quality Assurance Division