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MSDS 
:
 Sodium Molybdate Dihydrate
CAS 
:
 7631-95-0
SYNONYMS 
:
 Molybdic Acid Sodium Dihydrate; Disodium Molybdate Dihydrate.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 10102-40-6 |Sodium molybdate dihydrate | 100 | unlisted |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: XI
Risk Phrases: 36/37/38

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

EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.The toxicological
properties of this material have not been fully investigated.

Potential Health Effects
Eye:
Causes eye irritation. May cause chemical conjunctivitis.
Skin:
Causes skin irritation.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea. The toxicological properties of this substance have not
been fully investigated.
Inhalation:
Causes respiratory tract irritation. The toxicological properties of
this substance have not been fully investigated. Can produce delayed
pulmonary edema.
Chronic:
Effects may be delayed.

**** 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:
Get medical aid. Flush skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes. Wash clothing
before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical
aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and
drink 2-4 cupfuls of milk or water.
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:
Treat symptomatically and supportively.

**** 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. During a fire, irritating and highly toxic gases
may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use agent most appropriate to extinguish fire. Use water spray, dry
chemical, carbon dioxide, or appropriate foam.

**** 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. Clean up spills immediately, observing precautions in the
Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Use with adequate ventilation. Minimize dust generation and
accumulation. Avoid contact with eyes, skin, and clothing. Keep
container tightly closed. Avoid ingestion and inhalation. Wash
clothing before reuse.
Storage:
Store in a tightly closed container. Store in a cool, dry,
well-ventilated area away from incompatible substances.

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

Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate
ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 7631-95-0:
United Kingdom, WEL - TWA: (listed as molybdenum soluble compound
5 mg/m3 TWA (as Mo)
United Kingdom, WEL - STEL: (listed as molybdenum soluble compoun
10 mg/m3 STEL (as Mo)
United States OSHA: 5 mg/m3 TWA (as Mo) (listed under Molybdenum
soluble compounds).
Belgium - TWA: (listed as molybdenum soluble compounds): 5 mg/m3
(as Mo)
France - VME: (listed as molybdenum soluble compounds): 5 mg/m3 V
(as Mo)
France - VLE: (listed as molybdenum soluble compounds): 10 mg/m3
(as Mo)
Germany: (listed as molybdenum soluble compounds): 5 mg/m3 VME (a
Mo)
Malaysia: (listed as molybdenum soluble compounds): 5 mg/m3 TWA (
Mo)
Netherlands: (listed as molybdenum soluble compounds): 5 mg/m3 MA
(as Mo)
Russia: (listed as molybdenum soluble compounds): 2 mg/m3 TWA (as
Spain: (listed as molybdenum soluble compounds): 5 mg/m3 VLA-ED (
Mo)
CAS# 10102-40-6:
United Kingdom, WEL - TWA: (listed as molybdenum soluble compound
5 mg/m3 TWA (as Mo)
United Kingdom, WEL - STEL: (listed as molybdenum soluble compoun
10 mg/m3 STEL (as Mo)
United States OSHA: 5 mg/m3 TWA (as Mo) (listed under Molybdenum
soluble compounds).
Belgium - TWA: (listed as molybdenum soluble compounds): 5 mg/m3
(as Mo)
France - VME: (listed as molybdenum soluble compounds): 5 mg/m3 V
(as Mo)
France - VLE: (listed as molybdenum soluble compounds): 10 mg/m3
(as Mo)
Germany: (listed as molybdenum soluble compounds): 5 mg/m3 VME (a
Mo)
Malaysia: (listed as molybdenum soluble compounds): 5 mg/m3 TWA (
Mo)
Netherlands: (listed as molybdenum soluble compounds): 5 mg/m3 MA
(as Mo)
Russia: (listed as molybdenum soluble compounds): 2 mg/m3 TWA (as
Spain: (listed as molybdenum soluble compounds): 5 mg/m3 VLA-ED (
Mo)

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:
A respiratory protection program that meets OSHA's 29
CFR 1910.134 and ANSI Z88.2 requirements or European
Standard EN 149 must be followed whenever workplace
conditions warrant respirator use.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Solid
Color: white
Odor: none reported
pH: Not applicable.
Vapor Pressure: Not applicable.
Viscosity: Not applicable.
Boiling Point: Not applicable.
Freezing/Melting Point: Not available.
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: Not available.
Specific Gravity/Density: 3.28
Molecular Formula: Na2MoO4.2H2O
Molecular Weight: 241.944

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

Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions.
Conditions to Avoid:
Incompatible materials, dust generation, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Irritating and toxic fumes and gases, toxic fumes of sodium oxide.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 7631-95-0: QA5075000
CAS# 10102-40-6: QA5085000
LD50/LC50:
CAS# 7631-95-0: Inhalation, rat: LC50 = >2080 mg/m3/4H; Oral, rat:
LD50 = 4 gm/kg; Oral, rat: LD50 = 0.25 gm/kg.
CAS# 10102-40-6.
Carcinogenicity:
Sodium molybdate -
Not listed by ACGIH, IARC, or NTP.
Sodium molybdate dihydrate -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

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



**** 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: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 28A After contact with skin, wash immediately with
plenty of water.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 7631-95-0: 1
CAS# 10102-40-6: 1
Canada
CAS# 7631-95-0 is listed on Canada's DSL List.
CAS# 7631-95-0 is listed on Canada's Ingredient Disclosure List.
CAS# 10102-40-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7631-95-0 is listed on the TSCA inventory.
CAS# 10102-40-6 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)).

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

Text for R-phrases from Section 2
MSDS Creation Date: 12/01/1998 Revision #5 Date: 1/03/2003

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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