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MSDS 
:
 Sodium tungstate dihydrate
CAS 
:
 10213-10-2
SYNONYMS 
:
 Tungstic Acid Sodium Salt Dihydrates
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 10213-10-2 |Sodium tungstate dihydrate | >98 | unlisted |
|----------------|--------------------------------------|----------|-----------|
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: XN
Risk Phrases: 22 36/38

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Harmful if swallowed. Irritating to eyes and skin.The toxicological
properties of this material have not been fully investigated.

Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation.
Ingestion:
The toxicological properties of this substance have not been fully
investigated. May be harmful if swallowed.
Inhalation:
May cause respiratory tract irritation. The toxicological properties
of this substance have not been fully investigated.
Chronic:
No information found.

**** 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.
Skin:
Get medical aid. 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. 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. Combustion generates toxic fumes.
Extinguishing Media:
For small fires, use water spray, dry chemical, carbon dioxide or
chemical foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Sweep up, then place into a suitable container for disposal. Avoid
generating dusty conditions.

**** 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 skin and eyes. Keep
container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a cool, dry, well-ventilated area away from incompatible
substances.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 10213-10-2:
United Kingdom, WEL - TWA: (listed as tungsten, soluble compounds
mg/m3 TWA (as W)
United Kingdom, WEL - STEL: (listed as tungsten, soluble compound
3 mg/m3 STEL (as W)

Belgium - TWA: (listed as tungsten, soluble compounds): 1 mg/m3 V
(as W)
Belgium - STEL: (listed as tungsten, soluble compounds): 3 mg/m3
(as W)
Malaysia: (listed as tungsten, soluble compounds): 1 mg/m3 TWA (a
Netherlands: (listed as tungsten, soluble compounds): 1 mg/m3 MAC
W)
Russia: (listed as tungsten): 6 mg/m3 TWA
Spain: (listed as tungsten, soluble compounds): 1 mg/m3 VLA-ED (a
Spain: (listed as tungsten, soluble compounds): 3 mg/m3 VLA-EC (a
CAS# 13472-45-2:
United Kingdom, WEL - TWA: (listed as tungsten, soluble compounds
mg/m3 TWA (as W)
United Kingdom, WEL - STEL: (listed as tungsten, soluble compound
3 mg/m3 STEL (as W)

Belgium - TWA: (listed as tungsten, soluble compounds): 1 mg/m3 V
(as W)
Belgium - STEL: (listed as tungsten, soluble compounds): 3 mg/m3
(as W)
Malaysia: (listed as tungsten, soluble compounds): 1 mg/m3 TWA (a
Netherlands: (listed as tungsten, soluble compounds): 1 mg/m3 MAC
W)
Spain: (listed as tungsten, soluble compounds): 1 mg/m3 VLA-ED (a
Spain: (listed as tungsten, soluble compounds): 3 mg/m3 VLA-EC (a

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: Solid
Color: white
Odor: odorless
pH: 8-9 (solution)
Vapor Pressure: Negligible.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 1278 deg F
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Soluble in water.
Specific Gravity/Density: 3.25
Molecular Formula: Na2O4W.2H2O
Molecular Weight: 329.854

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
High temperatures, incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
No data available.
Hazardous Polymerization: Has not been reported.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 10213-10-2: YO7900000
CAS# 13472-45-2: YO7875000
LD50/LC50:
Not available.
CAS# 13472-45-2: Oral, mouse: LD50 = 240 mg/kg; Oral, mouse: LD50 =
0.24 gm/kg; Oral, rabbit: LD50 = 875 mg/kg; Oral, rat: LD50 = 1190
mg/kg.
Carcinogenicity:
Sodium tungstate dihydrate -
Not listed by ACGIH, IARC, or NTP.
Sodium tungstate -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Ecotoxicity:
Water flea EC50=350mg/L/48 hours (as tungstate)

**** 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
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: XN
Risk Phrases:
R 22 Harmful if swallowed.
R 36/38 Irritating to eyes and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 10213-10-2: No information available.
CAS# 13472-45-2: 1
Canada
CAS# 13472-45-2 is listed on Canada's DSL List.
CAS# 10213-10-2 is not listed on Canada's Ingredient Disclosure List.
CAS# 13472-45-2 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 10213-10-2 is not on the TSCA Inventory because it is a hydrate.
It is considered to be listed if the CAS number for the anhydrous form
is on the inventory (40CFR720.3(u)(2)).
CAS# 13472-45-2 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

Text for R-phrases from Section 2
MSDS Creation Date: 12/12/1997 Revision #3 Date: 12/14/2004

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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