Acetylsalicylic acid msds

Always handle acetylsalicylic acid with appropriate personal protective equipment (PPE), including gloves, eye protection, and a lab coat. Ingestion can cause serious health problems; dermal contact may lead to irritation. Proper ventilation is crucial during handling.

Consult the complete MSDS for detailed information on storage requirements, including temperature and container specifications. Improper storage can degrade the compound and increase the risk of fire or accidental exposure. Specific storage recommendations will vary based on the quantity and concentration.

Emergency procedures are clearly outlined in the full MSDS. Familiarize yourself with these procedures before handling acetylsalicylic acid. Note the specific first-aid measures and contact information for emergency response teams.

Remember: This summary provides a brief overview. Always refer to the complete MSDS for comprehensive safety data and handling instructions. Your safety is paramount.

Acetylsalicylic Acid MSDS: A Detailed Overview

Always consult the most current MSDS from your supplier. This overview provides general information; it’s not a substitute for a complete safety data sheet.

Handling and Storage

• Store acetylsalicylic acid in a cool, dry place, away from direct sunlight and incompatible substances (strong oxidizers, bases).
• Use appropriate personal protective equipment (PPE), including gloves, eye protection, and a lab coat, when handling the compound.
• Ensure adequate ventilation in the work area to minimize inhalation exposure.
• Follow all local, regional, and national regulations concerning the storage and handling of chemicals.

Hazards and First Aid

Acetylsalicylic acid is an irritant. Skin contact may cause redness and irritation. Eye contact can lead to significant irritation. Inhalation may cause respiratory irritation. Ingestion can result in gastrointestinal distress, including nausea, vomiting, and stomach pain. Overdose is dangerous.

First Aid Measures:

1. Skin contact: Wash affected area thoroughly with soap and water. Seek medical attention if irritation persists.
2. Eye contact: Immediately flush eyes with copious amounts of water for at least 15 minutes. Seek medical attention.
3. Inhalation: Move to fresh air. If breathing is difficult, administer oxygen. Seek medical attention.
4. Ingestion: Do NOT induce vomiting unless instructed by medical personnel. Drink plenty of water. Seek immediate medical attention.

Disposal

• Dispose of acetylsalicylic acid and its waste according to local, regional, and national regulations. Never dispose of chemicals down the drain or in the trash.
• Consult your local waste management authority for appropriate disposal methods.

Physical and Chemical Properties

Acetylsalicylic acid exists as a white crystalline powder. It’s slightly soluble in water, more soluble in alcohol and other organic solvents. Its molecular weight is 180.16 g/mol. The melting point is approximately 135°C. It’s a weak acid with a pKa around 3.5.

Additional Information

Always refer to the complete MSDS for comprehensive information on this chemical. This includes detailed toxicity data, ecological information, and transport regulations.

Identification

Chemical Name: Acetylsalicylic acid

CAS Number: 50-78-2

Synonyms: Aspirin; 2-Acetoxybenzoic acid

Molecular Formula: C₉H₈O₄

Molecular Weight: 180.16 g/mol

Physical Description

Acetylsalicylic acid presents as a white, crystalline powder. It’s odorless and has a slightly sour taste. The powder is readily soluble in alcohol and ether, less so in water.

Hazard Identification

Ingestion: Can cause stomach upset, nausea, and vomiting. Large doses may lead to more serious complications. Skin Contact: May cause irritation. Eye Contact: May cause irritation. Inhalation: Inhalation of dust may irritate the respiratory tract. Refer to the full SDS for complete hazard information and appropriate handling procedures.

Hazards Identification

Acetylsalicylic acid presents several hazards. Ingestion can cause nausea, vomiting, stomach upset, and, in severe cases, gastrointestinal bleeding. Skin contact may lead to irritation or allergic reactions, manifesting as redness, itching, or rash. Eye contact can result in irritation and burning sensations. Inhalation of dust may irritate the respiratory tract, potentially causing coughing or shortness of breath. Aspirin sensitivity is a significant concern, potentially triggering life-threatening allergic reactions such as anaphylaxis in susceptible individuals. Chronic exposure might contribute to tinnitus and other auditory problems.

Specific Hazard Statements

The substance is classified as harmful (H302) if swallowed; irritating to skin (H315) and eyes (H319); and may cause allergic skin reaction (H317). Specific precautions are detailed in the Safety Data Sheet (SDS) section on preventative measures.

Emergency Procedures

In case of ingestion, immediately contact a poison control center or seek medical attention. For skin or eye contact, rinse thoroughly with water. For inhalation, remove the person to fresh air. Always consult the SDS for detailed first aid instructions and recommended treatments. Remember to always consult a physician for diagnosis and treatment of any health problems.

Composition/Information on Ingredients

Acetylsalicylic acid constitutes the primary ingredient, typically representing 99.5-100.5% of the total composition. This ensures a high concentration of the active pharmaceutical ingredient.

Excipients

Minor components, or excipients, may include small amounts of substances like starch, microcrystalline cellulose, and magnesium stearate. These aid in tablet formation and stability. Specific excipients vary depending on the formulation and manufacturer. Always consult the product label for a complete listing of ingredients.

The precise percentages of these excipients are usually detailed in the full product specification sheet, readily available from the manufacturer or distributor. This information facilitates safe handling and understanding of potential interactions or allergies.

First-Aid Measures

If skin contact occurs, immediately rinse the affected area with plenty of water for at least 15 minutes. Remove contaminated clothing and shoes. Seek medical attention if irritation persists.

For eye contact, immediately flush the eyes with plenty of water for at least 15 minutes, lifting the eyelids occasionally. Continue rinsing while seeking medical advice. Do not rub your eyes.

In case of ingestion, do NOT induce vomiting unless instructed by a medical professional. Immediately contact a poison control center or doctor. Have the product container available for reference. Keep the person warm and at rest.

Inhalation

If inhaled, move the person to fresh air. If breathing is difficult, administer oxygen. Seek immediate medical attention.

General Advice

After providing first aid, seek medical attention promptly. Provide the medical professional with the Safety Data Sheet (SDS) for acetylsalicylic acid to aid in diagnosis and treatment.

Fire-Fighting Measures

Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide to extinguish acetylsalicylic acid fires. Water may be ineffective in large fires, leading to spattering and potential spread. Direct water streams onto burning material to cool and prevent reignition.

Protecting Yourself

Wear self-contained breathing apparatus (SCBA) and full protective clothing to prevent exposure to smoke and decomposition products. These products may be toxic and irritating.

Fire Fighting Equipment

Keep appropriate fire extinguishers nearby, ideally rated for Class B fires (flammable liquids). Ensure all personnel are trained in their proper use. Regularly inspect and maintain equipment.

Extinguisher Type	Advantages	Disadvantages
Water Spray	Cooling effect, relatively inexpensive	Ineffective on large fires, may cause spattering
Alcohol-Resistant Foam	Effective on flammable liquid fires, suppresses vapors	More expensive than water
Dry Chemical	Versatile, relatively easy to use	Can reduce visibility, requires cleanup
Carbon Dioxide	Leaves no residue, suitable for electrical fires	Limited range, may require specialized training

Post-Fire Actions

After extinguishing the fire, continue cooling the area with water to prevent reignition. Dispose of fire debris according to local regulations. Investigate the cause of the fire to prevent future incidents.

Accidental Release Measures

Evacuate the area immediately. Ensure personnel are upwind and at a safe distance (at least 100 meters).

Personal Protective Equipment (PPE)

• Wear appropriate respiratory protection: an NIOSH-approved respirator with an organic vapor cartridge and a particulate filter is recommended.
• Don chemical-resistant gloves and eye protection (goggles or face shield).
• Wear protective clothing to prevent skin contact.

Contain the spill using absorbent materials like sand, vermiculite, or commercially available spill kits. Avoid spreading the powder. Prevent entry into drains, sewers, or waterways.

Clean-up Procedures

1. Collect the absorbed material carefully, avoiding any direct contact.
2. Place collected material in appropriately labeled containers for disposal in accordance with local regulations.
3. Thoroughly wash the affected area with copious amounts of water.

Emergency Response

Contact emergency services immediately. Provide them with the SDS (Safety Data Sheet) information. Report the incident to the relevant authorities according to local regulations.

Waste Disposal

Dispose of contaminated materials and waste according to local, regional, and national regulations. Treat as hazardous waste.

Further Recommendations

• Regularly review and update your emergency response plan.
• Conduct employee training on proper handling and emergency procedures.
• Maintain adequate supplies of absorbent materials and PPE.

Specific Considerations for Large Spills

For large spills, call for professional cleanup services experienced in handling hazardous materials. Follow their instructions carefully. Implement perimeter control to prevent unauthorized access to the affected area.

Handling and Storage

Always wear appropriate personal protective equipment (PPE), including gloves, eye protection, and a lab coat, when handling acetylsalicylic acid. Avoid direct skin contact and inhalation of dust. Use a well-ventilated area or a fume hood for handling larger quantities.

Store acetylsalicylic acid in a tightly closed container in a cool, dry place. Protect it from moisture and direct sunlight. The ideal storage temperature is below 25°C (77°F). Keep it away from incompatible materials, such as strong oxidizers and bases.

Proper labeling is vital. Clearly mark the container with the chemical name, hazard warnings, and date of receipt. Regularly inspect the storage area and the containers for any signs of damage or degradation.

Dispose of any waste acetylsalicylic acid according to local regulations. Never flush it down the drain or dispose of it with regular trash. Consult your Safety Data Sheet (SDS) and local environmental guidelines for proper disposal methods.

Maintain detailed inventory records, including acquisition dates and quantities. This helps track usage and ensures appropriate stock management.

Exposure Controls/Personal Protection

Minimize aspirin dust exposure by using engineering controls like enclosed processing systems and local exhaust ventilation. Always work in a well-ventilated area. Properly label and store aspirin to prevent accidental contact.

Respiratory Protection

Use a NIOSH-approved respirator, selecting the appropriate type based on the concentration of airborne aspirin. Consult the respirator’s instructions and ensure proper fit testing. Remember that respiratory protection is supplementary to engineering controls and good work practices.

Eye and Face Protection

Wear chemical splash goggles or a face shield to protect your eyes and face from accidental contact with aspirin dust or solutions. Select eyewear offering adequate protection against potential splashes or dust particles.

Skin Protection

Wear appropriate protective gloves, such as nitrile or neoprene gloves, to prevent skin contact. Select glove material based on potential exposure levels and chemical compatibility. Change gloves regularly, and immediately wash any skin exposed to aspirin.

Hygiene Practices

Wash hands thoroughly with soap and water before eating, drinking, smoking, or using the restroom after handling aspirin. Remove contaminated clothing immediately. Shower after significant exposure.

Physical and Chemical Properties

Acetylsalicylic acid, commonly known as aspirin, presents as a white, crystalline powder. It’s odorless, but possesses a slightly acidic taste. Its melting point lies between 135-136°C, while its boiling point is approximately 140°C at reduced pressure (to avoid decomposition). The acid is slightly soluble in water (approximately 3g/L at 25°C), but shows considerably greater solubility in ethanol, methanol, and chloroform.

Solubility and Stability

Solubility variations depend on pH; increasing alkalinity boosts solubility. Acetylsalicylic acid is stable under normal conditions but degrades in moist air and at elevated temperatures, forming salicylic acid and acetic acid. Exposure to strong oxidizing agents should be avoided.

Other Key Properties

Its molecular weight is 180.16 g/mol. The acid exhibits a specific gravity of approximately 1.4. It’s non-flammable but can decompose when heated to high temperatures, generating potentially harmful fumes.