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MSDS Material Safety Data Sheet
CAS

7632-00-0

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FLINN SCIENTIFIC INC.

    "Your Safer Source for Science Supplies"

                                                                              MSDS #: 745.00

Material Safety Data Sheet (MSDS)                                             Revision Date: November 25, 2002







Section 1 鈥? Chemical Product and Company Identification



Sodium Nitrite

Flinn Scientific, Inc. P.O. Box 219 Batavia, IL 60510 (800) 452-1261

CHEMTREC Emergency Phone Number: (800) 424-9300



Section 2 鈥? Composition, Information on Ingredients

Sodium Nitrate



CAS#: 7632-00-0

Section 3 鈥? Hazards Identification

                                                                                                            FLINN AT-A-GLANCE

White or very slightly yellowish crystals or powder. Odorless.

                                                                                                             Health-3

Highly toxic by ingestion and inhalation. Ingestion of one to two grams has caused death in humans.

                                                                                                             Flammability-0

Body tissue irritant. Avoid all body tissue contact.

                                                                                                             Reactivity-3

Strong oxidizer.

                                                                                                             Exposure-1

                                                                                                             Storage-3

                                                                                                           0 is low hazard, 3 is high hazard

Section 4 鈥? First Aid Measures

Call a physician, seek medical attention for further treatment, observation and support after first aid.

Inhalation: Remove to fresh air at once. If breathing has stopped give artificial respiration immediately.

Eye: Immediately flush with fresh water for 15 minutes.

External: Wash continuously with fresh water for 15 minutes.

Internal: Rinse out mouth, give 1 to 2 cups of water or milk, induce vomiting. Call a physician or poison control at once.





Section 5 鈥? Fire Fighting Measures

Flammable solid.                                                                                              NFPA CODE

Strong oxidizer. Fire and explosion risk when in contact with combustible materials.                          None Established

When heated to decomposition, emits toxic fumes of NOx and Na2O.

Fire Fighting Instructions: Use triclass, dry chemical fire extinguisher. Firefighters should wear PPE

and SCBA with full facepiece operated in positive mode.



Section 6 鈥? Accidental Release Measures

Restrict unprotected personnel from area. Sweep up, place in sealed bag or container and dispose. Ventilate area and wash spill site

after material pickup is complete. See Sections 8 and 13 for further information.







Section 7 鈥? Handling and Storage

Flinn Suggested Chemical Storage Pattern: Inorganic #3. Store with amides, nitrates and nitrites.

Store in a cool dry place. Store in Flinn Chem-Saf Bag, and lock up in a poison cabinet. Use and dispense in a hood.







Section 8 鈥? Exposure Controls , Personal Protection

Avoid contact with eyes, skin and clothing. Wear chemical splash goggles, chemical-resistant gloves and chemical-resistant apron.

Use exhaust ventilation to keep airborne concentrations low.









                                                                                                                            PAGE 1 OF 2

漏 2002 Flinn Scientific, Inc. All Rights Reserved.

  FLINN SCIENTIFIC INC.                                                                            Sodium Nitrite



       "Your Safer Source for Science Supplies"

                                                                                                   MSDS #: 745.00

  Material Safety Data Sheet (MSDS)                                                                Revision Date: November 25, 2002







  Section 9 鈥? Physical and Chemical Properties

   White or very slightly yellowish crystals or powder. Odorless.                            Specific Gravity: 72.168

   Solubility: Soluble in water; slightly in alcohol.                                        Melting Point: 271 C

   Formula: NaNO2                                                                            Boiling Point: 320 C (dec.)

   Formula Weight: 69.00







  Section 10 鈥? Stability and Reactivity

  Avoid contact with strong reducers, finely powdered metals, combustible materials, and strong acids.

  Shelf life: Indefinite.



  Section 11 鈥? Toxicological Information

                                                                                             ORL-RAT LD50: 85 mg/kg

  Acute effects: Toxic, irritant

                                                                                             IHL-RAT LC50: 5500 ug/m3

  Chronic effects: Possible mutagen

                                                                                             SKN-RBT LD50: N.A.

  Target organs: Blood, cardiovascular system



  N.A. = Not available, not all health aspects of this substance have been fully investigated.

   Section 12 鈥? Ecological Information

   Data not yet available.



   Section 13 鈥? Disposal Considerations

   Please consult with state and local regulations.

   Flinn Suggested Disposal Method #12b is one option.



   Section 14 鈥? Transport Information

   Shipping Name: Sodium nitrite

   Hazard Class: 5.1, Oxidizer

   UN Number: UN1500

   N/A = Not applicable



   Section 15 鈥? Regulatory Information

   TSCA-listed, EINECS-listed (231-555-9), RCRA code D001.



  Section 16 鈥? Other Information

  Consult your copy of the Flinn Scientific Catalog/Reference Manual for additional information about laboratory chemicals.

  This Material Safety Data Sheet (MSDS) is for guidance and is based upon information and tests believed to be reliable. Flinn

  Scientific Inc. makes no guarantee of the accuracy or completeness of the data and shall not be liable for any damages relating

  thereto. The data is offered solely for your consideration, investigation, and verification. Flinn Scientific Inc. assumes no legal

  responsibility for use or reliance upon this data.





            FLINN SCIENTIFIC INC.

               "Your Safer Source for Science Supplies"









                    Flinn MSDS Prevent Chemical Accidents

                                                                                                            flinn@flinnsci.com www.flinnsci.com

                                                                                                                P.O. Box 219 Batavia IL 60510

                                                                                                               (800) 452-1261 Fax (866) 452-1436



漏 2002 Flinn Scientific, Inc. All Rights Reserved.                                                                                       PAGE 2 OF 2
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