FLINN SCIENTIFIC INC.

"Your Safer Source for Science Supplies"

MSDS #: 735.30
Revision Date: April 2, 2001

Material Safety Data Sheet (MSDS)
Section 1 � Chemical Product and Company Identification

Unknown Sodium Hydroxide Solution

Flinn Scientific, Inc. P.O. Box 219 Batavia, IL 60510 (800) 452-1261
CHEMTREC Emergency Phone Number: (800) 424-9300

Section 2 � Composition, Information on Ingredients

Sodium Hydroxide (1310-73-2) 0.4-2%, and Water (7732-18-5) 98-99.6%
CAS#: None Established

Section 3 � Hazards Identification

Colorless, odorless liquid. FLINN AT-A-GLANCE
Slightly toxic by ingestion and skin absorption. Severly irritating to body tissues. Causes severe eye Health-1
burns. Avoid all body tissue contact. Flammability-0

Reactivity-1
Exposure-1
Storage-0

0 is low hazard, 3 is high hazard

Section 4 � 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: Give no more than 1-2 cups of water for dilution. Do not induce vomiting. Call a physician or poison control at once.

Section 5 � Fire Fighting Measures

Non combustible liquid. NFPA CODE
When heated to decomposition, emits toxic fumes of Na2O. None Established
Fire Fighting Instructions: Use triclass, dry chemical fire extinguisher. Firefighters should wear PPE
and SCBA with full facepiece operated in positive mode.

Section 6 � Accidental Release Measures

Restrict unprotected personnel from area and ventilate area. Contain spill with sand or absorbent material; deposit in sealed bag or
container. See Sections 8 and 13 for further information.

Section 7 � Handling and Storage

Flinn Suggested Chemical Storage Pattern: Inorganic #4. Store with hydroxides, oxides, silicates and carbonates.
Keep container tightly closed.

Section 8 � Exposure Controls , Personal Protection

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

FLINN SCIENTIFIC INC.
Unknown Sodium Hydroxide Solution
"Your Safer Source for Science Supplies"

MSDS #: 735.30
Material Safety Data Sheet (MSDS) Revision Date: April 2, 2001

Section 9 � Physical and Chemical Properties

Colorless, odorless liquid.
Concentrations: 0.5 Molar = 2%, 0.2 Molar = 0.8%
,

0.1 Molar = .48% NaOH
Section 10 � Stability and Reactivity

Shelf life: Good, if kept tightly closed.

Section 11 � Toxicological Information

Acute effects: Toxic, corrosive ORL-RAT LD50: N.A.
Chronic effects: N.A. IHL-RAT LC50: N.A.
Target organs: N.A. SKN-RBT LD50: N.A.

N.A. = Not available, not all health aspects of this substance have been fully investigated.
Section 12 � Ecological Information

Data not yet available.

Section 13 � Disposal Considerations

Please consult with state and local regulations.
Flinn Suggested Disposal Method #10 is one option.

Section 14 � Transport Information

Shipping Name: Sodium hydroxide solution
Hazard Class: 8, Corrosive
UN Number: UN1824

N/A = Not applicable

Section 15 � Regulatory Information

Not listed.

Section 16 � 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"

Need a Chemical Fast?
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Order from Flinn

flinn@flinnsci.com www.flinnsci.com

P.O. Box 219 Batavia IL 60510
(800) 452-1261 Fax (866) 452-1436
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