ORCINOL MONOHYDRATE

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:  Syn:  3,5-Dihydroxytoluene, 5-Methylresorcinol 	CAS No.: 6153-39-5         E-C No.:207-984-2 	
Weight:  142.15g/mol 	 Formula: C7H8O2.H2O

2. HAZARDS: GHS Classification:  Acute toxicity, Oral (Category 4)		Skin irritation (Category 2)
	Eye irritation (Category 2A)		Specific target organ toxicity - single exposure (Category 3)
 Pictogram: 				
Signal Word:         WARNING
HAZARD STATEMENT(S): H302: Harmful if swallowed.  H319: Causes serious eye irritation.  H315: Causes skin irritation.
H335: May cause respiratory irritation.	H351: Suspected of causing cancer.
PRECAUTIONARY STATEMENTS: 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. P271: Use only outdoors or in well-ventilated area. P405: Store locked up. P280: Wear protective gloves/eye & face protection. P330: Rinse mouth. P301 + P312: If Swallowed: Call Poison Center or doctor/physician if you feel unwell. 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 P312: Call Poison Center or doctor/physician if you feel unwell. P321: Specific treatment (see supplemental first aid instructions).  P302 + P352: If on skin gently wash with plenty of soap & water.
P332 + P313: If skin irritation occurs: consult physician.   P337 + P313: If eye irritation occurs: consult physician. P362: Take off contaminated clothing and wash before reuse. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. 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
2.3: Other Hazards: none

3. COMPOSITION / INFO ON INGREDIENTS: 
Chemical 			 CAS No.	 	Percent		
5-Methylresorcinol	                   6153-39-5               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, MSH/NIOSH & full protective gear.  During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Special hazards: Carbon oxides Extinguishing: Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam.

6.ACCIDENTAL RELEASE: Info:  Use proper PPE as indicated in Sec 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container.  Clear 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.  Avoid contact with eyes, skin, and clothing. Keep away from heat, sparks and flame.  Avoid ingestion & 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 a safety shower.  Use adequate ventilation to keep airborne concentrations low.
Chemical 			ACGIH			NIOSH		OSHA-Final /Vacated PEL’s
Orcinol 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 gloves to prevent skin exposure. 0.11mm thick Clothing: Wear PPE clothing to prevent skin exposure. Respirators:  Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149.  Use a NIOSH/MSHA or European Standard EN 149 approved respirators if exposure limits are exceeded or if irritation or other symptoms are experienced.

9. PHYSICAL & CHEM:  Appearance:  White to light yellow –brown powder Odor: Slight sweet odor. Boiling Pt:  290°C (554˚F) Melting Pt: 56 - 58° C (133-136˚F) Solubility:  (Water)  Appreciable 10% Relative Density:  1.29  g/cm3

10. STABILITY & REACTIVITY:  Haz Decomp:  see section 5 Stability:  Stable under normal temp/pressures.  Light & air sensitive. Avoid: Dust generation, excess heat, excess light. Incompatibilities:  Strong oxidizing agents, alkalis and acid.

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

12.ECOLOGICAL INFO: Environmental Fate/Toxicity:  No information available.

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: Acute Health Hazard, chronic health Hazard. 
SARA Section 302 Extremely Haz. None of the chemicals in this product have a TPQ.
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:  5-Methylresorcinol  CAS#6153-39-5  	
California 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
Hazardous Symbols:     XN  	WGK (Water Danger/Protection) CAS#6153-39-5:  No information available.
Canada – DSL/NDSL CAS#6153-39-5 is not listed on Canada’s DSL/NDSL Lists.
Canada – WHMIS: Not available.  CAS#6153-39-5 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.