RHODAMINE B BASE

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: Solvent Red 49  CAS No.: 509-34-2 E-C No.:208-096-8 Weight:  442.55g/mol Formula: C28H30N2O3

2. HAZARDS ID: GHS Classification:   Skin irritation (Category 2)  Acute toxicity, Oral (Category 4)	Serious eye damage (Category 1)   Specific target organ toxicity - single exposure (Category 3)
Pictogram: 		                                     
Signal Word:         DANGER
HAZARD STATEMENT(S): H302: Harmful if swallowed	H318: Causes serious eye damage.	
			H315: Causes skin irritation 	H335: May cause respiratory irritation
PRECAUTIONARY STATEMENT(S) : P261: Avoid breathing dust/spray/ fume/gas/ mist/ vapors.P264: Wash skin thoroughly after handling. P270: Do not drink, eat, smoke, when using this product. P405: Store locked up. P271: Use only outdoors or in well-ventilated area. P280: Wear protective gloves/eye & face protection. P330: Rinse mouth. P301 + P312: If swallowed: Call Poison Center or doctor/physician if you feel unwell. P302 + P352: If on skin gently wash with plenty of soap & water.
P304 + P340: If inhaled: remove to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: If in Eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present & easy to do so. Continue rinsing. P310: Immediately Call Poison Center or doctor/physician.  P321: Specific treatment (see supplemental first aid instructions). P362: Take off contaminated clothing and wash before reuse. P403 + P233: Store in a well- ventilated place. Keep container tightly closed. P332 + P313: If skin irritation occurs: consult physician. P501: Dispose of contents/container to an approved waste disposal plant.

HMIS Classification: Health hazard  2, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  2, 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 ON INGREDIENTS: 
Chemical									 CAS No.	 	Percent		
3,6-bis(diethylamino)spiro[isobenzofuran-1(3h),9’-[9h]xanthenes]-3-one               	509-34-2 		90-100%                 

4. FIRST AID: Eyes: Rinse immediately 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. Consult physician. Inhalation: Move to fresh air.  Consult a physician. Physician: Treat symptomatically & supportively 

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

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

8. EXPOSURE 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. 

Chemical 							 ACGIH	NIOSH   OSHA-Final / Vacated PELs
3,6-bis(diethylamino)spiro[isobenzofuran-1(3h),9’-[9h]xanthenes]-3-one	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 EN 166. Skin: Wear appropriate protective gloves to prevent skin exposure. 0.11mm thick nitrile. 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 a respirator’s use.

9. PHYSICAL & CHEM: Appearance: Green to violet crystals/powder

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

11. TOXICOLOGICAL INFO: RTECS#: BP 3675000.LD50: Oral, mouse: 887 mg/kg; LDLO: Oral rat 500mg/kg
Carcinogenicity: Not listed by ACGIH, NIOSH, IARC, NTP, or OSHA 
Other Studies:  burning, cough, wheezing, shortness of breath, headache, nausea, vomiting. 

12. ECOLOGICAL INFO: Environmental Toxicity:  LC50-sheepshead minnow -83..9 mg/l-96h
LC50-Bluegill-379mg/l-96h, LC50-rainbow trou-217mg/l-96h, EC50-Water flea-22.9mg/l-48h
Biodegradability: 0% not rapidly biodegradable. Bioaccumulation: Carp-24d-0.1mg/l  - Bioconcentration: <0.2

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 and local hazardous waste regulations to ensure complete and accurate classification. RCRA P-Series: None listed. RCRA U-Series: None listed. 

14. TRANSPORT REGULATIONS: No information available. 

15. REGULATORY INFO: SARA 311/312: Acute & Chronic Health Hazard
Section 302 (RQ & TPQ) None of the chemicals in this material have an RQ & TPQ. 
Section 313 No chemicals are reportable under Section 313. 
STATE CAS# 509-34-2is not present on state lists from CA, MA, MN, FL. 
PA Right to Know: CAS# 509-34-2:  3,6-bis(diethylamino)spiro[isobenzofuran-1(3h),9’-[9h]xanthenes]-3-one Rev. 7/17/09
NJ Right to Know: CAS# 509-34-2:  3,6-bis(diethylamino)spiro[isobenzofuran-1(3h),9’-[9h]xanthenes]-3-one Rev. 7/17/09
CA Prop.65 components: 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 
Hazard Symbols: XN WGK (Water Danger/Protection) CAS# 509-34-2  2 
Canada - DSL/NDSL CAS# 509-34-2 is listed on Canada’s DSL List. 
Canada - WHMIS This product has a WHMIS classification of D2A, D2B. 
Canadian Ingredient Disclosure List CAS# 509-34-2 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.