1-PENTANESULFONIC ACID SODIUM SALT MONOHYDRATE HPLC
Safety Data Sheet 
Emergency Telephone Number: CHEMTREC 1-800-424-9300	For Information call: DUDLEY 732-886-3100     
DUDLEY CORPORATION        
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Effective Date: January 1, 2025
1. PRODUCT ID: CAS No.: 207605-40-1 EC-No.: 245-208-4 Weight: 192.22 Formula: C5H11O3SNa..H2O

2.HAZARDS ID: GHS Classification:  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
2.3: Other Hazards: none

3. COMPOSITION, INFO:
Chemical 					CAS No.		Percent			Hazardous
 1-Pentanesulfonic acid sodium salt  monohydrate	207605-40-1	~ 100			     No

4. FIRST AID: Eyes: rinse w/ water as precaution. Skin: Rinse with 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 & full protective gear. Water mist may be used to cool closed containers. Extinguishing: Use dry chemical, CO2, water spray or alcohol resistant foam.  Specific Hazards:  Carbon, Sulphur & sodium oxides

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section 8. Spills: 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. 

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

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	       OSHA – Final/Vacated PEL’s
1-Pentanesulfonic acid sodium salt monohydrate	None listed	None listed	None listed

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 EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. 0.11mm thick nitrile. Clothing: Wear appropriate protective clothing to prevent skin exposure. 
Respirators: Follow the OSHA respirator regulations found in 29CFR 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 powder Odor: Odorless 

10. STABILITY & REACTIVITY:  Stability: Stable at room temp in closed containers under normal storage & handling.  Avoid: Incompatibles. Incompatibilities: Strong oxidizing agents. Haz Decomp: see section 5

11. TOXICOLOGICAL INFO: RTECS: unlisted.	LD50/LC50: N/A.
Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12. ECOLOGICAL INFO: No data.

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: None 
SARA Section 302 Extremely Hazardous Substances None of the chemicals in this product have a TPQ/RQ.
Section 313 No chemicals are reportable under Section 313. STATE is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:	Sodium pentane-1-sulphonate monohydrate  CAS#207605-40-1
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:  Not available.  WGK (Water Danger/Protection) CAS# 207605-40-1: No information available.
Canada - DSL/NDSL CAS# 207605-40-1 is listed on Canada’s DSL List. 
Canada – WHMIS  This product has a WHMIS classification of D2B. CAS# 207605-40-1 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 resulting from the use of or reliance upon this information