Updated June 14, 2007





                                                               CI TRI C ACI D

                                             Material Safety Data Sheet ( MSDS)

                                                                              Eye Contact: highly irritating. May also be erosive & abrasive.

1. PRODUCT I DENTI FI CATI ON

                                                                              Skin Contact: causes irritation (burning, itching, redness)

   Product Name: Citric acid                                                  I ngestion: Causes irritation to the gastrointestinal tract. Symptoms

   I NCI Name: citric acid                                                    may include nausea, vomiting and diarrhea. Large oral dosages may

   Synonyms: 2-Hydroxy-1,2,3-propanetricarboxylic acid                        produce gastrointestinal disturbances & calcium deficiency in blood.

   CAS Number: 77-92-9                                                        Chronic or heavy acute ingestion may cause tooth enamel erosion.

   EI NECS Number: 201-069-1

                                                                           8. FI RST AI D MEASURES

2. PHYSI CAL & CHEMI CAL PROPERTI ES

                                                                              Eyes: Irrigate eyes with a heavy stream of water for at least 20

                                        100oC (212oF)

    Melting Point:                                                            minutes. Seek medical attention if symptoms persist.

    Vapor Density, Air= 1:   not available                                    Skin: Wash exposed areas of the body with plenty of water.

    Vapor Pressure:                     not available                         I nhalation: Remove from area of exposure. If breathing is

    Density:                            1.542                                 difficult, give oxygen. Seek medical attention if symptoms persist.

    Solubility in w ater:    dissolves in water (60g/ 100ml)                  I ngestion: Induce vomiting. Consult medical personnel. Never give

    pH Value:                2.2 (1% solution)                                anything by mouth to an unconscious person.

    Appearance & Odor:       white powder, no odor

                                                                           9. FI RE FI GHTI NG MEASURES

3. STABI LI TY & REACTI VI TY                                                 Autoignition Point: 1011oC (1852oF)

                                                                              Extinguishing Media: water spray, foam, carbon dioxide

   Chemical Stability: stable under normal conditions

                                                                              Fire Fighting Procedures: Firefighters should wear full fire-

   I ncompatibility: Metal nitrates (potentially explosive reaction),

                                                                              fighting turn-out gear (full Bunker gear) including NIOSH-approved

   alkali carbonates and bicarbonates, potassium tartrate. Will corrode

                                                                              self-contained breathing apparatus with full facepiece operated in

   copper, zinc, aluminum and their alloys

                                                                              the pressure demand or other positive pressure mode.

   Hazardous Decomposition: biodegradable; burning can produce

   carbon monoxide and carbon dioxide

                                                                           10. TOXI COLOGI CAL I NFORMATI ON

   Hazardous Polymerisation: will not occur

                                                                              Acute oral LD50: 3g/ kg (rat)

4. HANDLI NG & STORAGE                                                        Dermal/ Eye I rritation: severe at 500-750mg/ 24h (rabbit)

                                                                              Carcinogenicity: none

    Avoid contact with eyes. Wash thoroughly after handling. As with all

                                                                              Mutagenicity: none

    chemicals, good industrial hygiene practices should be followed

    when handling this material.

                                                                           11. DI SPOSAL CONSI DERATI ONS

    Avoid freezing or excessive heat. Do not handle or store near an

    open flame, heat or other sources of ignition. Keep the container         Storage and disposal must be in accordance with applicable local,

    tightly closed and in a cool, well-ventilated place.                      state & federal disposal regulations. Characterization and com-

                                                                              pliance with applicable laws are the responsibility solely of the

5. ACCI DENTAL RELEASE MEASURES                                               generator.

    Isolate spill area immediately. Keep unauthorized personnel away.

                                                                           12. TRANSPORT I NFORMATI ON

    Ventilate closed spaces before entering. Do not touch or walk

    through spilled material. Prevent entry into waterways, sewers,           DOT Shipping Name: Refer to corresponding hazard class

    basements or confined areas. Surface may become slippery after            ADR/ RI C Code: Refer to corresponding hazard class

    spillage. Use vacuum or broom sweeping and remove to disposal             Sea Transport I MDG Code: Refer to corresponding hazard class

    container. If damp, flush with water.                                     Air Transport I ATA: Refer to corresponding hazard class

6. EXPOSURE CONTROLS & PERSONAL PROTECTI ON                                13. DI SCLAI MER

    Respiratory Protection: Where exposure likely exceeds accep-              This information relates only to the specific material designated and

    table criteria, use NIOSH/ OSHA-approved respiratory equipment.           may not be valid for such material used in combination with any

    Protective Clothing: Gloves recommended to prevent prolonged              other materials or in any other process. Such information is to be

    skin contact. Safety glasses, goggles, or face shield recommended         the best of the company s knowledge and believed accurate and

    for eye protection.                                                       reliable as of the date indicated. However, no representation,

    Other Protective Measures: Employees must practice good                   warranty or guarantee of any kind, express or implied, is made as

    personal hygiene, washing exposed areas of skin several times daily       to its accuracy, reliability or completeness and we assume no

    and laundering contaminated clothing before re-use.                       responsibility for any loss, damage or expense, direct or

                                                                              consequential, arising out of use. It is the user s responsibility to

7. HAZARDS I DENTI FI CATI ON

                                                                              satisfy himself as to the suitableness & completeness of such

    WARNI NG: causes severe eye irritation. Irritates also skin & lungs.      information for his own particular use.

    I nhalation: Causes irritation to the respiratory tract. Symptoms

    may include coughing, shortness of breath



                                                   ALL DATA HEREIN ARE ALL AS PER OUR SUPPLIER.