SODIUM TETRABORATE

Safety Data Sheet
Emergency Telephone Number: CHEMTREC 1-800-424-9300       For Information call: DUDLEY 732-886-3100       
      DUDLEY CORPORATION
           	    125 Kenyon Drive
       				         	    Lakewood, New Jersey 08701
Effective Date: January 1, 2025	
1. PRODUCT ID: Syn:  Borax decahydrate, Sodium borate decahydrate 	CAS No.: 1303-96-4 
E-C No.:215-540-4	Weight:  381.37g/mol 	Formula: B4Na2O7.10H2O

2. HAZARDS: GHS: Reproductive toxicity (Category 1B), Eye irritation (Category 2A), 
Pictogram: 						
Signal Word:         DANGER
HAZARD STATEMENT(S): H360: May damage fertility or the unborn child. H319: Causes serious eye irritation. 
PRECAUTIONARY STATEMENT(S): P201: Obtain special instructions before use. P405: Store locked up. P280: Use PPE
P202: Do not handle until all safety precautions have been read and understood. P308 +P313: If exposed or concerned: contact doctor/physician. P501: Dispose of contents/container to an approved waste disposal plant. P264: Wash skin thoroughly after handling. P305+P351+P338: If in Eyes: Rinse cautiously with water for several minutes. Remove contact lenses if easy to do. Keep rinsing. P337 + P313: If eye irritation persists: get medical attention. 

HMIS: Health hazard 1, 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		
Disodium tetraborate decahydrate               	 1303-96-4               99-100%                  

4. FIRST AID: Eyes: Rinse with plenty of water for 15 min at least. Skin: Rinse with plenty of soap & water Ingestion: Do not induce vomiting w/o medical advice. Rinse with water. Inhalation: Move to fresh air.  Physician: Treat symptomatically & supportively. 

5. FIRE FIGHTING: Info: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH, and full PPE.  Irritating 
& highly toxic gases may be generated by thermal composition or combustion. Hazards: Borane/boron & sodium oxides. Extinguishing:  Water spray, alcohol-resistant foam, dry chemical or carbon dioxide. 

6. ACCIDENTAL RELEASE: Info: Use proper  PPE as specified in Section 8.   Spills: Sweep up & containerize for reclamation or disposal. Vacuum or wet sweeping may be used to avoid dust dispersal. Provide ventilation. 

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

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 Name	          		ACGIH		   	NIOSH		OSHA – Final PEL’s
Sodium Tetraborate ACS  		2 mg/m3 TWA 	  	5 mg/m3 TWA	10 mg/m3
                                                  	       	6 mg/m3 STEL 

PPE: Eyes:  Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA’s eye and face protection regulation in 29 CFR 1910.133 or European Standard EN166. Skin:  Wear appropriate protective gloves to prevent skin exposure. 0.11mm thick nitrile. Clothing:  Wear appropriate protective clothing (lab coats, overalls), to prevent skin exposure. Respirators:  Follow OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149.  Always use a NIOSH or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

9. PHYSICAL & CHEM: White, Gray, Bluish or Greenish White crystals. Odor: Odorless. pH: 9.2 at 10g/l Melting Pt: 62°C (144°F) Solubility: 38.1g/l at20˚C(68˚F) completely soluble Relative Density:  1.73g/cm3 at 25˚C (77˚F)   Partition coefficient n-octanol/water: log Pow: -1.53

10. STABILITY & REACTIVITY:  Stability: Stable under ordinary conditions of use/storage. Avoid:  Dust generation, Incompatibilities:  Strong oxidizing agents, strong reducing agents, Acids, alkaloids, and metallic salts. Haz Decomp: see sec 5

11. TOXICOLOGICAL INFO: RTECS: VZ2275000 LD50/LC50: Dermal, rabbit:  2,000 mg/kg    Oral, rat:  2,500mg/kg	Carcinogenicity:  Not listed by ACGIH, IARC, NTP, or OSHA.
Reproductive Effects: fetotoxicity – presumed reproductive toxicant

12. ECOLOGICAL INFO: Fate: LC50-goldfish-178mg/l-72h  
EC50-Water flea-1,085-1,402mg/l-48h	IC50-green algae-158mg/l-96h

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 REGULATIONS: Not regulated

15. REGULATORY INFO: SARA311/312: Acute & Chronic Health Hazard
SARA Section 302 Extremely Hazardous Substances None of the chemicals in this product have a TPQ.
Section 313 No chemicals are reportable under Section 313.
STATE CAS#1303-96-4 is not present on state lists from CA, MN, FL. 
Mass Right to Know: CAS# 1303-96-4:  Disodium tetraborate decahydrate Rev. 3/1/07
PA Right to Know: CAS# 1303-96-4:  Disodium tetraborate decahydrate Rev. 3/1/07
NJ Right to Know: CAS# 1303-96-4:  Disodium tetraborate decahydrate Rev. 3/1/07
California No Signification Risk Level:  None of the chemicals in this product are listed.

EUROPEAN/INTERNATIONAL REGULATIONS:  European Labeling in Accordance with EC Directives
WGK (Water Danger/Protection) CAS#1303-96-4:  1      Canada – DSL/NDSL is listed on Canada’s DSL List.
Canada – WHMIS: Not available.	CAS#1303-96-4 is listed on the Canadian 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 resulting from the use of or reliance upon this information.