EMS CATALOG NO: 21400
EMS PRODUCT: Sodium Tungstate DATE:
May 21, 2001
PAGE NUMBER: One of 8
MATERIAL SAFETY DATA SHEET
The information contained herein is based on data considered
accurate. However, no warranty is expressed or implied
regarding the accuracy of these data or the results to be
obtained from the use thereof.
Electron Microscopy Sciences assumes no responsibility for
personal injury or property damage to vendees, users or
third parties caused by the material. Such vendees or users
assume all risks associated with the use of the material.
ELECTRON MICROSCOPY SCIENCES
321 MORRIS ROAD
P.O. BOX 251
FORT WASHINGTON, PA 19034 24 HOUR EMERGENCY PHONE NUMBER
(215) 646-1566 CHEMTREC: (800) 424-9300
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FOR PRODUCT AND SALES INFORMATION
_________________________________________________________________
CONTACT ELECTRON MICROSCOPY SCIENCES OFFICE ABOVE.
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PRODUCT IDENTIFICATION
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PRODUCT NAME: Sodium tungstate
CAS NUMBER: 10213-10-2
% BY WEIGHT: 100
CHEMICAL FORMULA: Na2W04.2H20
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TOXICOLOGICAL DATA ON INGREDIENTS
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Sodium tungstate
LD50: Not available.
LD50: Not available.
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HAZARDS IDENTIFICATION
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POTENTIAL ACUTE HEALTH EFFECTS:
Slightly dangerous to dangerous in case of skin contact
(irritant), of eye contact (irritant), of ingestion, of
inhalation. This product may irritate eyes and skin upon
contact.
POTENTIAL CHRONIC HEALTH EFFECTS:
CARCINOGENIC EFFECTS: Not available.
MUTAGENIC EFFECTS: Not available.
TERATOGENIC EFFECTS: Not available.
TOXICITY OF THE PRODUCT TO THE REPRODUCTIVE SYSTEM: There is
no known effect from chronic exposure to this product. Repeated or prolonged exposure
is not known to aggravate medical condition.
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FIRST AID MEASURES
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EYE CONTACT:
Check for and remove any contact lenses. IMMEDIATELY flush
eyes with running water for at least 15 minutes, keeping
eyelids open. COLD water may be used. DO NOT use an eye
ointment. Seek medical attention.
SKIN CONTACT:
If the chemical got onto the clothed portion of the body,
remove the contaminated clothes as quickly as possible,
protecting your own hands and body. Place the victim under
a deluge shower. If the chemical touches the victim's
exposed skin, such as the hands: Gently and thoroughly wash
the contaminated skin with running water and non-abrasive
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soap. Be particularly careful to clean folds, crevices,
creases and groin. COLD water may be used. Cover the
irritated skin with an emollient. If irritation persists,
seek medical attention.
SERIOUS SKIN CONTACT:
Wash with a disinfectant soap and cover the contaminated
skin with an anti-bacterial cream. Seek medical attention.
INHALATION:
Allow the victim to rest in a well ventilated area. Seek
immediate attention.
SERIOUS INHALATION: No additional information.
INGESTION:
Remove dentures if any. Have conscious person drink several
glasses of water or milk. INDUCE VOMITING by sticking
finger in throat. Lower the head so that the vomit will not
reenter the mouth and throat. NEVER give an unconscious
person anything to ingest. Seek medical attention.
SERIOUS INGESTION: No additional information.
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FIRE AND EXPLOSION DATA
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FLAMMABILITY OF THE PRODUCT: Non-flammable.
AUTO-IGNITION TEMPERATURE: Not applicable.
FLASH POINTS: Not applicable.
FLAMMABLE LIMITS: Not applicable.
PRODUCTS OF COMBUSTION: Not applicable.
FIRE HAZARDS IN PRESENCE OF VARIOUS SUBSTANCES: Not applicable.
EXPLOSION HAZARDS IN PRESENCE OF VARIOUS SUBSTANCES:
RISKS OF EXPLOSION OF THE PRODUCT IN PRESENCE OF
MECHANICAL
IMPACT: Not available.
RISKS OF EXPLOSION OF THE PRODUCT IN PRESENCE OF STATIC
DISCHARGE: Not available.
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No specific information is available in our database
regarding the product's risks of explosion in the presence
of various materials.
FIRE FIGHTING MEDIA AND INSTRUCTIONS: Non-flammable.
SPECIAL REMARKS ON FIRE HAZARDS: No additional remark.
SPECIAL REMARKS ON EXPLOSION HAZARDS: No additional remark.
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ACCIDENTAL RELEASE MEASURES
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SMALL SPILL:
Use appropriate tools to put the spilled solid in a
convenient waste disposal container. Finish cleaning by
spreading water on the contaminated surface and dispose of
according to local and regional authority requirements.
LARGE SPILL:
Our database contains no additional information in case of a
spill and/or a leak of the product. Use a shovel to put the
material into a convenient waste disposal container. Finish
cleaning by spreading water on the contaminated surface and
allow to evacuate through the sanitary system.
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HANDLING AND STORAGE
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PRECAUTIONS:
DO NOT breathe dust. In case of insufficient ventilation,
wear suitable respiratory equipment. If you feel unwell,
seek medical attention and show the label when possible.
Avoid contact with skin and eyes.
STORAGE:
No specific storage is required. Use shelves or cabinets
sturdy enough to bear the weight of the chemicals. Be sure
that it is not necessary to strain to reach materials, and
that shelves are not overloaded.
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EXPOSURE CONTROLS/PERSONAL PROTECTION
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ENGINEERING CONTROLS:
Use process enclosures, local exhaust ventilation, or other
engineering controls to keep airborne levels below
recommended exposure limits. If user operations generate
dust, fume or mist, use ventilation to keep exposure to
airborne contaminants below the exposure limit.
PERSONAL PROTECTION:
Splash goggles. Lab coat. Dust respirator. Be sure to use a
MSHA/NIOSH approved respirator or equivalent. Gloves
(impervious).
PERSONAL PROTECTION IN CASE OF A LARGE SPILL:
Splash goggles. Full suit. Dust respirator. Boots. Gloves.
A self contained breathing apparatus should be used to avoid
inhalation of the product. Suggested protective clothing
might not be sufficient; consult a specialist BEFORE
handling this product.
EXPOSURE LIMITS:
TWA: 1 CEIL: 3 (mg/m3)
Consult local authorities for acceptable exposure limits.
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PHYSICAL AND CHEMICAL PROPERTIES
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PHYSICAL STATE AND APPEARANCE: Solid.
ODOR: Not available.
TASTE: Not available.
COLOR: Not available.
MOLECULAR WEIGHT: 329.86
pH(1% SOLN/WATER): Not available.
BOILING POINT: Decomposes. (698oC or 1288.4oF)
MELTING POINT: Not available.
CRITICAL TEMPERATURE: Not available.
SPECIFIC GRAVITY: 3.24 (Water = 1)
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VAPOR PRESSURE: Not available.
VAPOR DENSITY: Not available.
VOLATILITY: Not available.
ODOR THRESHOLD: Not available.
WATER/OIL DIST. COEFF.: Not available.
IONICITY (IN WATER): Not available.
DISPERSION PROPERTIES: See solubility in water.
SOLUBILITY: Easily soluble in cold water.
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STABILITY AND REACTIVITY DATA
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STABILITY: The product is stable.
INSTABILITY TEMPERATURE: Not available.
CONDITIONS OF INSTABILITY: No additional remark.
INCOMPATIBILITY WITH VARIOUS SUBSTANCES: No specific information
is available in our database regarding the reactivity of
this material in presence of various other materials.
CORROSIVITY: Non-corrosive in presence of glass.
SPECIAL REMARKS ON REACTIVITY: No additional remark.
SPECIAL REMARKS ON CORROSIVITY: No additional remark.
POLYMERIZATION: No.
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TOXICOLOGICAL INFORMATION
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ROUTES OF ENTRY: Ingestion. Inhalation.
TOXICITY TO ANIMALS: LD50: Not available.
LC50: Not available.
CHRONIC EFFECTS ON HUMANS:
TOXICITY OF THE PRODUCT TO THE REPRODUCTIVE SYSTEM: Not
available.
OTHER TOXIC EFFECTS ON HUMANS: Slightly dangerous to dangerous in
case of skin contact (irritant), of eye contact (irritant),
of ingestion, of inhalation.
SPECIAL REMARKS ON TOXICITY TO ANIMALS: No additional remark.
SPECIAL REMARKS ON CHRONIC EFFECTS ON HUMANS: No additional
remark.
SPECIAL REMARKS ON OTHER TOXIC EFFECTS ON HUMANS: No additional
remark.
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ECOLOGICAL INFORMATION
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ECOTOXICITY: Not available.
BOD5 AND COD: Not available.
PRODUCTS OF BIODEGRADATION: Some metallic oxides.
TOXICITY OF THE PRODUCTS OF BIODEGRADATION: The products of
degradation are as toxic as the original product.
SPECIAL REMARKS ON THE PRODUCTS OF BIODEGRADATION: No additional
remark.
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DISPOSAL CONSIDERATIONS
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WASTE DISPOSAL: Recycle to process, if possible. Consult your
local or regional authorities.
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TRANSPORT INFORMATION
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DOT CLASSIFICATION: Not a DOT controlled material (United States)
IDENTIFICATION: Not applicable (PIN and PG).
SPECIAL PROVISIONS FOR TRANSPORT: Not applicable.
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OTHER REGULATORY INFORMATION
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FEDERAL AND STATE REGULATIONS: Not available.
OTHER REGULATIONS:
OSHA: Hazardous by definition of Hazard Communication
Standard (29 CFR 1910.1200).
CANADIAN ENVIRONMENTAL PROTECTION ACT (CEPA):
OTHER CLASSIFICATIONS:
WHMIS (Canada): Not controlled under WHMIS (Canada).
DSCL (EEC): Not controlled under DSCL (Europe).
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HMIS (U.S.A.)
HEALTH HAZARD 2
FIRE HAZARD 0
REACTIVITY 0
PERSONAL PROTECTION e
NATIONAL FIRE PROTECTION ASSOCIATION (U.S.A.)
HEALTH 1
FLAMMABILITY 0
REACTIVITY 0
SPECIFIC HAZARD
PROTECTIVE EQUIPMENT:
Gloves (impervious).
Lab Coat.
Dust respirator. Be sure to use a MSHA/NIOSH approved
respirator or equivalent.
Splash goggles.
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