4-NITROBENZALDEHYDE

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:	CAS No.: 555-16-8        E-C No.:209-084-5      Weight:  151.12g/mol 	   Formula: C7H5NO3

2. HAZARDS:  GHS:  Acute aquatic toxicity (Cat 3)	Chronic aquatic toxicity (Cat 3)  
	Skin sensitization (Cat 1)	Eye irritation (Cat 2A)		
Pictogram: 					
Signal Word:         WARNING
HAZARD STATEMENT(S):  H319: Causes serious eye irritation.	H317: May cause an allergic reaction
H412: Harmful to aquatic life with long lasting effects.
PRECAUTIONARY STATEMENT(S): P261: Avoid breathing dust/spray/ fume/gas/ mist/ vapors.  P405: Store locked up.
P264: wash skin thoroughly after handling P272: Contaminated work clothes should not be allowed out of the workplace
P280: Wear protective gloves/eye & face protection P273: Avoid release into the environment. P302 + P352: If on skin gently wash w/ plenty of soap & water.  P363: Wash contaminated clothing before reuse. P332 + P313: If skin irritation occurs: consult physician   P337 + P313: If eye irritation occurs: consult physician P501: Dispose of contents/container to an approved waste disposal plant.

HMIS Class: 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: 
Chemical			 CAS No.	 	Percent		
4-Nitrobenzaldehyde	555-16-8                     98%                  

4. FIRST AID: Eyes: Rinse for 15 min with plenty of water 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 and supportively. 

5. FIRE FIGHTING: 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.  Runoff from fire control or dilution water may cause pollution.  Extinguishing: Use water spray, dry chem, carbon dioxide, or alcohol resistant foam. 
Haz: Carbon & Nitrogen oxides Auto-ignition Temp: N/A.  Explosion Limits: N/A.

6. ACCIDENTAL RELEASE: 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. Use with adequate ventilation. Minimize dust generation and accumulation. 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. Do not allow product temperature to exceed 40 Deg. C.

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
2-Nitrobenzaldehyde		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 PPE 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: Yellow to tan powder. Odor: Characteristic smell. Melting Pt: 105-108˚C  
Partition coefficient: n-Octanol/water: log Pow: 0.767  Bulk Density: 400 kg/m3

10. STABILITY & REACTIVITY:  Haz Decomp.: see section 5 Stability: Stable at room temperature in closed containers under normal storage & handling. Incompatibilities: strong bases, oxidizing agents, reducing agents 

11. TOXICOLOGICAL INFO: RTECS: CU7350000
LD50/LC50: LD50 oral, rat: 4,700 mg/kg   LD50: Dermal rat: 16,000 mg/kg  - Behavioral Somnolence
Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12. ECOLOGICAL INFO: Toxicity: LC50 & LC0: fathead minnow-10.1mg/l-96h   Harmful to aquatic life.

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: No information available. 

15. REGULATORY INFO: SARA 311/312:  Acute Health Hazard
Section 302(TPQ/RQ) None of the chemicals in this product have a TPQ/RQ. 
Section 313 No chemicals are reportable under Section 313. 
STATE CAS#   555-16-8 is not present on state lists from CA, MN, MA, FL. 
Pa Right to Know: 4-Nitrobenzaldehyde  CAS#555-16-8	NJ Right to Know: 4-Nitrobenzaldehyde  CAS#555-16-8
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: XN   Canada - DSL/NDSL CAS# 555-16-8 is listed on Canada’s DSL List. 
Canada – WHMIS: This product has a WHMIS classification of D2B. 
Canadian Ingredient Disclosure List CAS# 555-16-8 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.