Material Safety Data Sheet 

Product Name

Citric Acid Anhydrous

Supplier

Soap Basics

23 Southbrook Road

Melksham

Wiltshire

SN12 8DS

UK

Tel: 01225 899286

Composition/Ingredients Information

Typically 100% citric acid anhydrous

Organic Acid – 2-hydroxy 1,2,3-propanetricarboxylic acid

Formula: C6H8O7

Cas No: 77-92-9

EINECS No: 201-069-1

For use in food (E330)

Hazard Identification

Xi (St Andrews Cross):  IRRITANT (OECD 405) 

R36:  Irritating to eyes

First Aid Measures

Eye Contact: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

Skin contact: Remove all contaminated clothing, wash affected area with plenty of soap and water.

Ingestion: If victim is conscious and alert, give plenty of water and induce vomiting. Seek medical advice.

Inhalation: Remove to fresh air. Seek medical attention immediately.

Fire-Fighting Measures

Product needs external heat to burn.

Extinguishing media: Water spray, foam or powder. Do not use tetrachlore.

Hazards: Non-combustible. Development of hazardous combustion gases or vapours possible in the event of fire.  Contain escaping vapours with water. Prevent fire-fighting water from entering surface water or ground water.

Protection: Wear full protective gear and self-contained breathing apparatus.

Accidental Release Measures

Spillage: Recover by vacuum, or broom and shovel. Flush area with water or neutralising solution as required.

Handling and Storage

Storage: Store the product in tightly sealed containers in cool, dry place.

Industrial Hygiene: Good ventilation is required if process creates the formation of dust. 

Exposure Control/Personal Protection

Personal precautions: Avoid contact with eyes and skin. Avoid breathing dust. 

Respiratory protection: Approved nuisance dust mask.

Hand protection: Standard work gloves.

Eye protection: Goggles or safety glasses.

Physical and Chemical Properties

Appearance: Crystals

Colour: Colourless

Odour: Odourless

Molecular weight: 192.13

Change in physical state: 153 degrees C

Specific gravity: 1.67

Bulk density (granular): 850-950 kg/m3 (typical range) 

Vapour pressure: N/A

Viscosity: N/A

Solubility in water: 61.8% w/w @ 25 deg C

               in ethanol: 38.3% w/w @ 25 deg C

pH value (5% solution) (25 deg C): 1.8

Flash point: 345 deg C

Explosive properties (dust only): Class 1

Flammability: Requires external heat to burn

Thermal decomposition: Above 153 deg C may produce carbon monoxide and carbon dioxide.

Stability/Reactivity

Stability/shelf life: The product is chemically stable if stored under cool dry conditions. Maximum 30 degrees C and 70% relative humidity. Physical properties may change on storage; re-test recommended periodically and in limit after three years.

Product will react with alkaline substances to generate heat. Aqueous solutions have corrosive effects on metals including carbon steels, 304 stainless steel, zinc, copper, aluminium and nickel alloys. This may result in the formation of hydrogen to produce explosive mixtures. These solutions also decompose cement-based products and attack some plastics such as nylon, polycarbonates, polyamides, polyImides or acrylics.

Toxicological Information

Not animal tested.

Dust can cause irritation to eyes and skin.

The ingestion of large amounts causes irritation of the mucous membranes (stomach), coughing, pain, vomiting.

Inhalation causes irritation of the respiratory tract.

Ecological Information

Biodegradation: Easily eliminable >98%

Aquatic toxicity: Harmful due to pH shift.

Disposal Considerations

Dispose of in accordance with local or national regulations.

Transport Information

Not classed as hazardous for transportation.

Regulatory Information

Supply classification: IRRITANT

Other Information

The information in this safety sheet is, to the best of our knowledge, true and accurate, but any recommendations or suggestions that made be made are without guarantee, since the condition of use are beyond the control of Soap Basics.Observance of existing laws and requirements rests with the user of this product.