5-SULFOSALICYLIC ACID DIHYDRATE

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:  2-Hydroxy-5-sulfobenzoic acid 	CAS No.: 5965-83-3 E-C No.:202-555-6 Weight:  254.21g/mol 	Formula: C7H6O6S

2. HAZARDS ID: GHS:  Skin corrosion (Category 1B) Serious Eye Damage (Category 1)		
 Pictogram: 					
Signal Word:         DANGER
HAZARD STATEMENT(S): H314: Causes severe skin burns and eye damage.
PRECAUTIONARY STATEMENT(S) : P264: Wash skin thoroughly after handling. P260: Do not breathe dust or mist. 
P280: Wear protective gloves/eye & face protection. P330: Rinse mouth. P301 + P312: If swallowed: Call Poison Center or doctor/physician if you feel unwell. P303 + P361 + P353: If on skin Immediately take off all contaminated clothing. Rinse with water.  P304 + P340 + P310: If Inhaled remove person to fresh air and keep comfortable for breathing. Call Poison control. 
P305 + P351 + P338: If in Eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present & 
easy to do so. Continue rinsing. P363: Wash contaminated clothing before reuse. 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:
Chemical				   	     CAS No.		Percent	
5-Sulfosalicylic Acid Dihydrate                                   5965-83-3        		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 w/o 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 and highly toxic gases may be generated by thermal decomposition or combustion. Special Hazards: Carbon & sulfur 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:  Info:  Use proper PPE as indicated in Section 8.  Spills: Pick up and place in a suitable container for reclamation or disposal. Vacuuming or wet sweeping may be used to avoid dust dispersal.  

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

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 Name			ACGIH			NIOSH    		OSHA-Final / Vacated PEL’s
5-Sulfosalicylic acid Dihydrate	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 us a NIOSH or European Standard EN 149 approved respirator when necessary.

9. PHYSICAL & CHEM: Appearance: White powder.  Odor: Odorless. pH: 0.55 at 100g/l at 25.4°C
Solubility: ca. 127.1g/l at 20˚C (68˚F) Melting Pt: 105-110°C (221-230°F) Flammability: Does not ignite 
Vapor pressure: 0.000054 hPa at 20°C Relative Density: 1.6393 g/cm3 at 20°C Water solubility: 987 g/l at 20°C 
Partition co-efficient : n-octanol/water: log Pow: -2.13 at 20°C Decomposition Temp.: >110-130°C

10. STABILITY & REACTIVITY:  Avoid: Light , dust generation, excess heat.  Stability: Stable under ordinary conditions of use and storage. May discolor on exposure to light.  Hazardous Decomp: see section 5   Incompatibilities: Strong mineral acids, strong oxidizing agents, strong bases/alkalis. 

11. TOXICOLOGICAL INFO: RTECS; unlisted.   LD50/LC50: Not available. Carcinogenicity:  Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
Serious Eye Damage: Bovine cornea -4 h	Mutagenicity: Ames test result negative.

 12. ECOLOGICAL INFO: Toxicity: EC50 water flea >100mg/l-48h  ErC50 – green algae >100 mg/l-72h
Fate: Biodegradability: time 28 d, result 12% 

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 40CFR 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 REGULATIONS:  
DOT: UN3261, Corrosive solid, acidic, organic, n.o.s. (5-Sulfosalicylic acid dihydrate), 8, II, ERG 154
IMDG: UN326,1 CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S. (5-Sulfosalicylic acid dihydrate), 8, II,
IATA: UN3261, Corrosive solid, acidic, organic, n.o.s. (5-Sulfosalicylic acid dihydrate), 8, II,

15. REGULATORY INFO: SARA 311/312: No SARA hazards
SARA Section 302 Extremely Hazardous Substances None of the chemicals in this product have a TPQ/RQ.
Section 313   No chemical are reportable under Section 313.
STATE CAS#5965-83-3 is not present on state lists from CA, MN, MA, FL. 
PA Right to Know: 5-Sulphosalicylic acid dihydrate  CAS#5965-83-3     
NJ Right to Know:	5-Sulphosalicylic acid dihydrate  CAS#5965-83-3
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 EX Directives
Hazardous Symbols:  Not available.	WGK  (Water Danger/Protection) CAS#5965-83-3: No information available.
Canada – DSL/NDSL CAS#5965-83-3 is not listed on Canada’s DSL List.
Canada – WHMIS CAS#5965-83-3: No information available, 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.