SODIUM MOLYBDATE DIHYDRATE ACS 
Safety Data Sheet
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     DUDLEY CORPORATION        
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Effective Date:  January 1, 2025
1. PRODUCT: Syn:  Molybdic acid, disodium salt, dihydrate CAS No.: 10102-40-6  Weight: 241.95  
Formula:  Na2Mo04*2H2O

2.HAZARDS:  GHS: not a hazardous substance or mixture.
HMIS Class: Health hazard  0 Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  0, Fire     0, Reactivity hazard   0

Potential Effects: Eye: Risk of serious damage to eyes.	Skin: Harmful in contact with skin. 
Ingestion: Harmful if swallowed. 		Inhalation: Harmful by inhalation. 
2.3: Other Hazards: none

3. COMPOSITION, INFO:
Chemical Name 			CAS No.		Percent		Hazardous
Sodium Molybdate Dihydrate ACS	10102-40-6	 >98% 		  No

4. FIRST AID: Eyes: Rinse with plenty of water for 15 min and seek medical advice. Skin:. Rinse with plenty of soap & water and seek medical advice. Ingestion: Do not induce vomiting without medical advice. Rinse with water. 
Inhalation: Move to fresh air.  Consult a physician. Physician: Treat symptomatically and supportively. 

5. FIRE FIGHTING: Info: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH & full protective gear. Water mist may be used to cool closed containers. Extinguishing: Use dry chemical, CO2, water spray or alcohol resistant foam.  Specific Haz:  Sodium & Molybdenum oxides 

6. ACCIDENTAL RELEASE: Info: Use proper PPE 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 PPE section.  Avoid generating dusty conditions.  Provide ventilation.

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling.  Use with adequate ventilation.  Minimize dust generation and accumulation.  Avoid contact with eyes, skin and clothing.  Avoid ingestion and inhalation.
Storage:  Keep container tightly closed.  Keep container in a cool, well-ventilated area. 

8. EXPOSURE: Facilities storing or utilizing this material should be equipped with an eyewash facility and safety shower. Use adequate ventilation to keep airborne concentrations low.
Chemical			ACGIH		  NIOSH		OSHAFinal/Vacated PEL’s
 Sodium Molybdate Dihydrate	0.5 mg/m3 	 1000 mg/m3   IDLH         5 mg/m3 TWA       	
                                                           TWA (inhalation)	 (as Mo) 		     (inhalation) (as MO			 

PPE: 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 EN 166.  Skin: Wear appropriate protective gloves to prevent skin exposure. 0.11 mm thick nitrile. Clothing:  Wear appropriate protective clothing (lab coats, aprons) to prevent skin exposure. Respirators:  Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149.  Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

9. PHYSICAL & CHEM: Appearance: White crystals/powder Melting Pt: 100°C Relative Density:  2.370 g/cm3 pH: 9-10 at 840g/l at 20°C Decomp Temp: 130°C

10. STABILITY & REACTIVITY: Stability:  Stable at room temp in closed containers under normal storage/handling. Avoid:  Incompatibles, dust generation, excess heat. Incompatibilities:  Strong oxidizing agent. Haz Decomp: see sec. 5

11. TOXICOLOGICAL INFO: RTECS: none LD50/LC50:  Oral Rat 4,233 mg/kg Dermal 2,500mg/kg
Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP or OSHA.

12. ECOLOGICAL INFO: NOEC Rainbow Trout – 3,200mg/l – 96h, LC50 7,600mg/l, NOEC water flea 100 mg./l – 48h, EC50: 330mg/l-48h, green algae NOEC: 4.6mg/l – 72h, IC50 >100mg/l – 72h, Bacteria EC10 50mg/l-18h

13. DISPOSAL CONSIDERATIONS: Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification.  RCRA P-Series: None listed.  RCRA U-Series: None listed. 

14. TRANSPORT INFO: Not regulated.

15. REGULATORY INFO: SARA 311/312: Chronic health Hazard
SARA Section 302 Extremely Haz Substances None of the chemicals in this product have a TPQ/RQ.
Section 313 No chemicals are reportable under Section 313. 
STATE CAS#10102-40-6:  is not present on state lists from CA, MN, MA, FL. 
PA Right to Know: Disodium molybdate dihydrate  CAS#10102-40-6
NJ Right to Know: Disodium molybdate dihydrate  CAS#10102-40-6
California Prop.65: None of the chemicals are known to cause cancer, birth defects, or any other reproductive harm.

EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives 
Hazardous Symbols: XI	WGK (Water Danger/Protection) CAS#10102-40-6:  1
Canada - DSL/NDSLCAS#10102-40-6 is not listed on Canada’s DSL List. 
Canada – WHMIS  Not controlled under WHMIS.
CAS#10102-40-6 is not listed on Canada’s Ingredient Disclosure List. 

16. DISCLAIMER INFO: DUDLEY CORPORATION provides the information herein in good faith but makes no representation as to its comprehensiveness or accuracy. This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this.  Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. DUDLEY CORPORATION makes no representations or warranties, either expressed or implied, including without limitation and warranties of merchantability, fitness for a particular purpose with respect to the information set forth herein or to the product to which the information refers. Accordingly, DUDLEY CORPORATION will not be responsible for damages resultimg/lng from the use of or reliance upon this information.