CITRIC ACID, Anhydrous

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MSDS Number: C4735 * * * * * Effective Date: 11/21/08 * * * * * Supercedes: 01/31/06

CITRIC ACID, Anhydrous
1. Product Identification
Synonyms: 2-Hydroxy-1,2,3-propanetricarboxylic acid CAS No.: 77-92-9 Molecular Weight: 192.12 Chemical Formula: H3C6H5O7 Product Codes: J.T. Baker: 0122, 0127 Mallinckrodt: 0621
2. Composition/Information on Ingredients

Ingredient ---------------------------------------
Citric Acid

CAS No ------------

Percent ------------
99 - 100%

Hazardous ---------

3. Hazards Identification
SAF-T-DATA(tm) Ratings (Provided here for your convenience) ----------------------------------------------------------------------------------------------------------Health Rating: 1 - Slight Flammability Rating: 1 - Slight Reactivity Rating: 2 - Moderate Contact Rating: 3 - Severe Lab Protective Equip: GOGGLES & SHIELD; LAB COAT & APRON; VENT HOOD; PROPER GLOVES Storage Color Code: Green (General Storage) -----------------------------------------------------------------------------------------------------------
Potential Health Effects

Inhalation: Causes irritation to the respiratory tract. Symptoms may include coughing, shortness of breath. Ingestion: Causes irritation to the gastrointestinal tract. Symptoms may include nausea, vomiting and diarrhea. Extremely large oral dosages may produce gastrointestinal disturbances. Calcium deficiency in blood may result in severe cases of ingestion. Skin Contact: Causes irritation to skin. Symptoms include redness, itching, and pain. Eye Contact: Highly irritating; may also be abrasive. Chronic Exposure: Chronic or heavy acute ingestion may cause tooth enamel erosion. Aggravation of Pre-existing Conditions: No adverse health effects expected.
4. First Aid Measures
Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention. Ingestion: Induce vomiting immediately as directed by medical personnel. Never give anything by mouth to an unconscious person. Get medical attention. Skin Contact: Immediately flush skin with plenty of water for at least 15 minutes. Remove contaminated clothing and shoes. Get medical attention. Wash clothing before reuse. Thoroughly clean shoes before reuse. Eye Contact: Immediately flush eyes with plenty of water for at least 15 minutes, lifting lower and upper eyelids occasionally. Get medical attention immediately.
5. Fire Fighting Measures
Fire: Autoignition temperature: 1011C (1852F) As with most organic solids, fire is possible at elevated temperatures or by contact with an ignition source. Explosion: Fine dust dispersed in air in sufficient concentrations, and in the presence of an ignition source is a potential dust explosion hazard. Fire Extinguishing Media: Water spray, dry chemical, alcohol foam, or carbon dioxide. Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode.
6. Accidental Release Measures
Ventilate area of leak or spill. Wear appropriate personal protective equipment as specified in Section 8. Spills: Sweep up and containerize for reclamation or disposal. Vacuuming or wet sweeping may be used to avoid dust dispersal.

7. Handling and Storage
Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.
8. Exposure Controls/Personal Protection
Airborne Exposure Limits: None established. Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details. Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator (NIOSH type N95 or better filters) may be worn. If oil particles (e.g. lubricants, cutting fluids, glycerine, etc.) are present, use a NIOSH type R or P filter. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator. WARNING: Air-purifying respirators do not protect workers in oxygen-deficient atmospheres. Skin Protection: Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact. Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
9. Physical and Chemical Properties
Appearance: White granules. Odor: Odorless. Solubility: ca. 60 g/100 ml @ 20C (Anhydrous) Density: 1.665 @ 20C/4C pH: 2.2 (0.1 N sol) % Volatiles by volume @ 21C (70F): 0 Boiling Point: No information found. Melting Point: 153C (307F) Vapor Density (Air=1): No information found. Vapor Pressure (mm Hg): No information found. Evaporation Rate (BuAc=1): No information found.

10. Stability and Reactivity
Stability: Stable under ordinary conditions of use and storage. Hazardous Decomposition Products: Carbon dioxide and carbon monoxide may form when heated to decomposition. Hazardous Polymerization: Will not occur. Incompatibilities: Metal nitrates (potentially explosive reaction), alkali carbonates and bicarbonates, potassium tartrate. Will corrode copper, zinc, aluminum and their alloys. Conditions to Avoid: Heat, flames, ignition sources and incompatibles.
11. Toxicological Information

Oral rat LD50: 3 gm/kg; irritation skin rabbit: 500 mg/24H mild; eye rabbit: 750 ug/24H severe.

--------\Cancer Lists\------------------------------------------------------

---NTP Carcinogen---


Known Anticipated IARC Category

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Citric Acid (77-92-9)




12. Ecological Information
Environmental Fate: No information found. Environmental Toxicity: No information found.

13. Disposal Considerations
Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing, use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with federal, state and local requirements.

14. Transport Information
Not regulated.

15. Regulatory Information

--------\Chemical Inventory Status - Part 1\---------------------------------


TSCA EC Japan Australia

----------------------------------------------- ---- --- ----- ---------

Citric Acid (77-92-9)

Yes Yes Yes


--------\Chemical Inventory Status - Part 2\----------------------------------Canada--


Korea DSL

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Citric Acid (77-92-9)

Yes Yes

NDSL ---No

Phil. -----

--------\Federal, State & International Regulations - Part 1\----------------

-SARA 302- ------SARA 313------



List Chemical Catg.

----------------------------------------- --- ----- ---- --------------

Citric Acid (77-92-9)

No No



--------\Federal, State & International Regulations - Part 2\----------------






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------ ------

Citric Acid (77-92-9)




Chemical Weapons Convention: No

TSCA 12(b): No

SARA 311/312: Acute: Yes

Chronic: No Fire: No

Reactivity: No

(Pure / Solid)

CDTA: No Pressure: No

Australian Hazchem Code: None allocated. Poison Schedule: None allocated. WHMIS: This MSDS has been prepared according to the hazard criteria of the Controlled Products Regulations (CPR) and the MSDS contains all of the information required by the CPR.
16. Other Information
NFPA Ratings: Health: 2 Flammability: 1 Reactivity: 0 Label Hazard Warning: WARNING! CAUSES SEVERE EYE IRRITATION. CAUSES IRRITATION TO SKIN AND RESPIRATORY TRACT. Label Precautions: Avoid contact with eyes, skin and clothing. Avoid breathing dust. Keep container closed. Use only with adequate ventilation. Wash thoroughly after handling. Label First Aid: In case of contact, immediately flush eyes or skin with plenty of water for at least 15 minutes. Remove contaminated clothing and shoes. Wash clothing before reuse. If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. In all cases, get medical attention. Product Use: Laboratory Reagent. Revision Information: No Changes. Disclaimer: ************************************************************************************************ Mallinckrodt Baker, Inc. provides the information contained 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 product.

Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. MALLINCKRODT BAKER, INC. MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, MALLINCKRODT BAKER, INC. WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE UPON THIS INFORMATION. ************************************************************************************************ Prepared by: Environmental Health & Safety Phone Number: (314) 654-1600 (U.S.A.)

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CITRIC ACID, Anhydrous