EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully
investigated.
Potential Health Effects
Eye:
No information regarding eye irritation and other potential effects
was found.
Skin:
No information regarding skin irritation and other potential effects
was found.
Ingestion:
The toxicological properties of this substance have not been fully
investigated.
Inhalation:
The toxicological properties of this substance have not been fully
investigated.
Chronic:
Not available.
**** SECTION 4 - FIRST AID MEASURES ****
Eyes:
Flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid
immediately.
Skin:
Get medical aid immediately. 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.
Never give anything by mouth to an unconscious person. Get medical
aid.
Inhalation:
Remove from exposure and move to fresh air immediately. If not
breathing, give artificial respiration. If breathing is difficult,
give oxygen. 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.
Extinguishing Media:
Use agent most appropriate to extinguish fire.
**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****
General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Sweep up or absorb material, then place into a suitable clean, dry,
closed container for disposal.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Avoid contact with eyes, skin, and clothing. Avoid ingestion and
inhalation.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****
Engineering Controls:
Use process enclosure, local exhaust ventilation, or other
engineering controls to control airborne levels below recommended
exposure limits.
Exposure Limits
CAS# 7790-75-2:
United Kingdom, WEL - TWA: (listed as tungsten, insoluble compoun
5 mg/m3 TWA (as W)
United Kingdom, WEL - STEL: (listed as tungsten, insoluble
compounds): 10 mg/m3 STEL (as W)
Belgium - TWA: (listed as tungsten, insoluble compounds): 5 mg/m3
(as W)
Belgium - STEL: (listed as tungsten, insoluble compounds): 10 mg/
VLE (as W)
Malaysia: (listed as tungsten, insoluble compounds): 5 mg/m3 TWA
W)
Netherlands: (listed as tungsten, insoluble compounds): 5 mg/m3 M
(as W)
Spain: (listed as tungsten, insoluble compounds): 5 mg/m3 VLA-ED
W)
Spain: (listed as tungsten, insoluble compounds): 10 mg/m3 VLA-EC
W)
Personal Protective Equipment
Eyes:
Wear appropriate protective eyeglasses or chemical
safety goggles as described by OSHA's eye and face
protection regulations in 29 CFR 1910.133 or European
Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
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: Crystals
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 1620 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Insoluble.
Specific Gravity/Density: 6.060
Molecular Formula: CaO4W
Molecular Weight: 287.93
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stable.
Conditions to Avoid:
Dust generation.
Incompatibilities with Other Materials:
No significant incompatibilities identified with common materials and
contaminants..
Hazardous Decomposition Products:
No data available.
Hazardous Polymerization: Will not occur.
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 7790-75-2 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Calcium tungstate(VI) -
Not listed by ACGIH, IARC, or NTP.
**** SECTION 12 - ECOLOGICAL INFORMATION ****
**** SECTION 13 - DISPOSAL CONSIDERATIONS ****
Dispose of in a manner consistent with federal, state, and local regulations.
**** SECTION 14 - TRANSPORT INFORMATION ****
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.
**** SECTION 15 - REGULATORY INFORMATION ****
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 7790-75-2: No information available.
Canada
CAS# 7790-75-2 is listed on Canada's DSL List.
CAS# 7790-75-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7790-75-2 is listed on the TSCA inventory.
The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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