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1197 - Citric Acid Monohydrate

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Material Safety Data Sheet Citric acid monohydrate ACC# 84211 Section 1 - Chemical Product and Company Identification MSDS Name: Citric acid monohydrate Catalog Numbers: AC124910000, AC124910010, AC124910250, AC124912500, AC385850000, A104-10, A104-10LC, A104-250LB, A104-3, A104-500, A110-10, A110-10LC, A110-3, A110-50, A111-12, A111-12LC, A111-212, A111-SAM1, A111-SAM2, A111-SAM3, XXCITRAC50KG Synonyms: 2-Hydroxy-1,2,3-propanetricarboxylic acid monohydrate. Company Identification: Fisher Scientific 1 Reagent Lane Fair Lawn, NJ 07410 For information, call: 201-796-7100 Emergency Number: 201-796-7100 For CHEMTREC assistance, call: 800-424-9300 For International CHEMTREC assistance, call: 703-527-3887 Section 2 - Composition, Information on Ingredients CAS# Chemical Name Percent EINECS/ELINCS 5949-29-1 Citric acid monohydrate >97 unlisted Section 3 - Hazards Identification EMERGENCY OVERVIEW Appearance: white crystalline powder. Danger! Causes severe eye irritation and possible injury. Causes skin and respiratory tract irritation. Target Organs: Respiratory system, eyes, skin. Potential Health Effects Eye: Causes severe eye irritation and possible injury. Skin: Causes skin irritation. Some references state that citric acid has allergenic properties but, no animal or human studies were found to support this claim. It doesnot seem likely that citric acid is a sensitizer since it is found in the body as an essential component of the citric acid cycle which releases energy for physiological functions. Citric acid is widely distributed in plants and in animal tissues and fluids. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Excessive intake of citric acid may cause erosion of the teeth. Inhalation: Causes respiratory tract irritation. Chronic: Repeated exposure may cause erosion of teeth. Chronic exposure may cause effects similar to those of acute exposure. Section 4 - First Aid Measures Eyes: In case of contact, immediately flush eyes with plenty of water for a t least 15 minutes. Get medical aid immediately. Skin: In case of contact, flush skin with plenty of water. Remove contaminated clothing and shoes. Get medical aid if irritation develops and persists. Wash clothing before reuse. Ingestion: If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Get medical aid. Inhalation: If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Treat symptomatically and supportively. Section 5 - Fire Fighting Measures General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. Flash Point: Not applicable. Autoignition Temperature: 1010 deg C ( 1,850.00 deg F) Explosion Limits, Lower:Not available. Upper: Not available. NFPA Rating: (estimated) Health: 3; Flammability: 1; Instability: 0 Section 6 - Accidental Release Measures General Information: Use proper personal protective equipment 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 Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. Spill may be carefully neutralized with lime (calcium oxide, CaO). Section 7 - Handling and Storage Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Keep container tightly closed. Avoid ingestion and inhalation. Do not get in eyes. Avoid contact with skin and clothing. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture. Section 8 - Exposure Controls, Personal Protection Engineering 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. Exposure Limits Chemical Name ACGIH NIOSH OSHA - Final PELs Citric acid monohydrate none listed none listed none listed Citric acid anhydrous none listed none listed none listed OSHA Vacated PELs: Citric acid monohydrate: No OSHA Vacated PELs are listed for this chemical. Citric acid anhydrous: No OSHA Vacated PELs are listed for this chemical. Personal Protective Equipment 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. 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. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - Physical and Chemical PropertiesPhysical State: Crystalline powder Appearance: white Odor: Odorless. pH: 2.2 (0.1N soln) Vapor Pressure: 3.70E-009 mm Hg @ 25 deg C Vapor Density: Not available. Evaporation Rate:Not available. Viscosity: Not available. Boiling Point: 175 deg C Freezing/Melting Point:100 deg C Decomposition Temperature:175 deg C Solubility: Freely Soluble. Specific Gravity/Density:1.542 g/cm3 Molecular Formula:C6H8O7.H2O Molecular Weight:210.15 Section 10 - Stability and Reactivity Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Dust generation, moisture. Incompatibilities with Other Materials: Metals, strong oxidizing agents, strong reducing agents, strong bases, metal nitrates. Hazardous Decomposition Products: Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. Hazardous Polymerization: Will not occur. Section 11 -


1197 - Citric Acid Monohydrate

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