o-CRESOLPHTHALEIN COMPLEXONE

           	 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: o-Cresolphthalexon, Phthalein Complexon. CAS No.: 2411-89-4. 
EC-No.: 219-318-8.  Weight: 636.60.   Formula: C32H32N2O12 

2. HAZARDS ID: GHS Label elements: Not a hazardous substance.

Potential Health: Eye: May cause eye irritation   Skin: May cause skin irritation. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Inhalation: May cause respiratory tract irritation.  The toxicological properties of this material have not been fully investigated.  
2.3: Other Hazards: none

3.COMPOSITION/ INFO: 
Chemical Name        		               CAS No. 		Percent		  Hazardous
o-Cresolphthalein Complexone        	               2411-89-4	 	                         No

4. FIRST AID: Eyes: flush eyes with plenty of water as a precaution.   Skin: Flush skin with plenty of soap and water. Ingestion:  If victim is conscious and alert, give water to rinse mouth.  Do Not Induce Vomiting.  Never give anything by mouth to an unconscious person.  Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Physician: Treat symptomatically and supportively. 

5. FIREFIGHTING: Info: wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH & full PPE. Irritating & highly toxic gases may be generated by thermal decomp/combustion. Extinguishing:  Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam.  Hazards: N/A Flash Pt: N/A  Auto-ignition Temp: N/A  Explosion Limits: N/A  

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section 8. Spill/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the PPE section. 

7.  HANDLING & STORAGE: Handling: Wash thoroughly after handling. Wash hands before eating.  Use with adequate ventilation. Avoid breathing dust, vapor, mist, or gas. 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:  Use adequate ventilation to keep airborne concentrations below the permissible exposure limits. Facilities storing or utilizing this material should be equipped with an eyewash facility and safety shower.
Chemical Name			ACGIH		NOISH		OSHA –Final / VacatedPEL’S
o-Cresolphthalein Complexone	None listed	None list		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 nitrile
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. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. 

9.  PHYSICAL & CHEM: Appearance: White to light yellow. Melting Pt: 181-185°C (358-365°F) -dec

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. Incompatibilities: Strong oxidizing agents Hazardous 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: Environmental Fate & Toxicity:  No data available. 

13.  DISPOSAL CONSIDERATIONS: Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. U.S. 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 dangerous goods 

15.  REGULATORY INFO: SARA 311/312 Hazards:  No SARA Hazards
SARA Section 302 (RQ & TPQ):  None of the chemicals in this material have an RQ or TPQ.
Section 313:  No chemicals are reportable under Section 313.
STATE   CAS# 2411-89-4 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:  1,3-Dihydro-3-oxoisobenzofuran-1-ylidenebis(6-hydroxy-5-methyl-m-phenylenemthylenenitrilo)tetra-acetic acid.   CAS# 2411-89-7
California No Significant Risk level: None of the chemicals in this product are listed

EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives. 
Hazard Symbols: Not available. WGK (Water Danger/Protection) CAS# 2411-89-4:  No information available.
Canada - DSL/NDSL CAS# 2411-89-4 is listed on Canada’s DSL List. Canada - WHMIS WHMIS: Not available. 
Canadian Ingredient Disclosure List CAS# 2411-89-4:  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.