Name:
Barium Sulfate
Synonym:
Artificial barite; enamel white; permanent white; sulfuric acid barium salt
CAS:
7727-43-7
Section 1 - Chemical Product
MSDS Name:Barium Sulfate
Synonym:Artificial barite; enamel white; permanent white; sulfuric acid barium salt
Synonym:Artificial barite; enamel white; permanent white; sulfuric acid barium salt
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
| CAS# | Chemical Name | emsds | EINECS# |
| 7727-43-7 | Barium sulfate | >99 | 231-784-4 |
| Hazard Symbols: None Listed. Risk Phrases: None Listed. |
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
Dust may cause mechanical irritation.
Skin:
Dust may cause mechanical irritation.
Ingestion:
No hazard expected in normal industrial use.
Inhalation:
No hazard expected in normal industrial use.
Chronic:
Repeated exposure may cause baritosis characterized by deposition of particulate matter in the lung.
Not available.
Potential Health Effects
Eye:
Dust may cause mechanical irritation.
Skin:
Dust may cause mechanical irritation.
Ingestion:
No hazard expected in normal industrial use.
Inhalation:
No hazard expected in normal industrial use.
Chronic:
Repeated exposure may cause baritosis characterized by deposition of particulate matter in the lung.
Section 4 - FIRST AID MEASURES
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Get medical aid immediately.
Inhalation:
Remove from exposure and move to fresh air immediately. Get medical aid.
Notes to Physician:
Skin:
Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Get medical aid immediately.
Inhalation:
Remove from exposure and move to fresh air immediately. Get medical aid.
Notes to Physician:
Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Material will not burn.
Extinguishing Media:
Use extinguishing media most appropriate for the surrounding fire.
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Material will not burn.
Extinguishing Media:
Use extinguishing media most appropriate for the surrounding fire.
Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Provide ventilation.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Provide ventilation.
Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid breathing dust.
Storage:
Store in a cool, dry, well-ventilated area away from incompatible substances.
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid breathing dust.
Storage:
Store in a cool, dry, well-ventilated area away from incompatible substances.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 7727-43-7: United Kingdom, WEL - TWA: 10 mg/m3 TWA (inhalable dust); 4 mg/m3 (respirable dust) United Kingdom, WEL - STEL: 30 mg/m3 STEL (inhalable dust); 12 mg STEL (respirable dust) United States OSHA: 15 mg/m3 TWA (total dust); 5 mg/m3 TWA (respirable fraction) Belgium - TWA: 10 mg/m3 VLE Malaysia: 10 mg/m3 TWA (particulate matter containing no asbestos <1% crystalline sili Netherlands: 1.5 mg/m3 MAC (respirable dust); 4 mg/m3 MAC (inhala dust) Spain: 10 mg/m3 VLA-ED (this value is for the particulated matter that is free from asb Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHAs eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear impervious gloves.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.
Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 7727-43-7: United Kingdom, WEL - TWA: 10 mg/m3 TWA (inhalable dust); 4 mg/m3 (respirable dust) United Kingdom, WEL - STEL: 30 mg/m3 STEL (inhalable dust); 12 mg STEL (respirable dust) United States OSHA: 15 mg/m3 TWA (total dust); 5 mg/m3 TWA (respirable fraction) Belgium - TWA: 10 mg/m3 VLE Malaysia: 10 mg/m3 TWA (particulate matter containing no asbestos <1% crystalline sili Netherlands: 1.5 mg/m3 MAC (respirable dust); 4 mg/m3 MAC (inhala dust) Spain: 10 mg/m3 VLA-ED (this value is for the particulated matter that is free from asb Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHAs eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear impervious gloves.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Solid
Color: white to yellow
Odor: odorless
pH: Not available.
Vapor Pressure: Not applicable.
Viscosity: Not applicable.
Boiling Point: Not applicable.
Freezing/Melting Point: 2876 deg F
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Insoluble.
Specific Gravity/Density: 4.4 (Water=1)
Molecular Formula: BaSO4
Molecular Weight: 233.40
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Dust generation.
Incompatibilities with Other Materials:
Aluminum + heat.
Hazardous Decomposition Products:
Oxides of sulfur, barium fume.
Hazardous Polymerization: Has not been reported.
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Dust generation.
Incompatibilities with Other Materials:
Aluminum + heat.
Hazardous Decomposition Products:
Oxides of sulfur, barium fume.
Hazardous Polymerization: Has not been reported.
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 7727-43-7: CR0600000 CR0630000 LD50/LC50:
Not available.
Carcinogenicity:
Barium sulfate - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
CAS# 7727-43-7: CR0600000 CR0630000 LD50/LC50:
Not available.
Carcinogenicity:
Barium sulfate - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
Section 12 - ECOLOGICAL INFORMATION
Other No information available.
Section 13 - DISPOSAL CONSIDERATIONS
Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.
Section 14 - TRANSPORT INFORMATION
IATA
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
IMO
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:
Section 15 - REGULATORY INFORMATION
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 22 Do not breathe dust.
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 7727-43-7: 0
Canada
CAS# 7727-43-7 is listed on Canadas DSL List.
CAS# 7727-43-7 is not listed on Canadas Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7727-43-7 is listed on the TSCA inventory.
