FLINN SCIENTIFIC INC. 

"Your Safer Source for Science Supplies" 
MSDS #: 395.30 
Revision Date: February 24, 2003

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

Unknown Hydrochloric Acid 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 
Hydrochloric Acid (7647-01-0) <2%, Water (7732-18-5) >98% 
None EstablishedCAS#: 
Section 3 — Hazards Identification 
Clear liquid; pungent odor. 
Slightly toxic by inhalation and ingestion. Severe body tissue irritant. Corrosive to eyes. 
Avoid all body contact. 
Health-1 
Flammability-0 
Reactivity-2 
FLINN AT-A-GLANCE 
Exposure-1 
Storage-3 
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 1 to 2 cups of water or milk, followed by a gastric antacid, such as milk of magnesia. Do not induce vomiting. Call a physician or
poison control at once.


Section 5 — Fire Fighting Measures 

Non flammable liquid. NFPA CODE 
Fire Fighting Instructions: Use triclass, dry chemical fire extinguisher. Firefighters should wear PPE and None Established 
SCBA with full facepiece operated in positive pressure mode. 

Section 6 — Accidental Release Measures 

Restrict unprotected personnel from area. Remove all ignition sources and ventilate area. Contain spill with sand and absorbent material, 
neutralize with sodium bicarbonate or calcium hydroxide and 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 #9. Store with inorganic acids.
Store in a dedicated acid cabinet and away from any source of water; if an acid cabinet is not available, store in Flinn Saf-Cube. Use and
dispense in a hood.


Section 8 — Exposure Controls, Personal Protection 

Avoid contact with eyes, skin and clothing. Wear chemical splash goggles, chemical-resistant gloves and chemical-resistant apron.
Use ventilation to keep airborne concentrations below exposure limits. Always wear a NIOSH-approved respirator with proper cartridges or 
a
positive pressure, air-supplied respirator when handling this material in emergency situations (spill or fire). Exposure guidelines: TWA 5 ppm
(OSHA)


© 2003 Flinn Scientific, Inc. All Rights Reserved. 
PAGE 1 OF 2 


FLINN SCIENTIFIC INC. 
Unknown Hydrochloric Acid Solution 

"Your Safer Source for Science Supplies" MSDS #: 395.30 
Material Safety Data Sheet (MSDS) Revision Date: February 24, 2003 


Section 9 — Physical and Chemical Properties 

Clear liquid.
Solubility: Soluble in water, alcohol and benzene.
Formula: HCl
Formula Weight: 36.46


Section 10 — Stability and Reactivity 

Avoid contact with strong oxidizers, bases, amines, alkali metals, copper, copper alloys, aluminum. Corrodes steel and reacts violently with
water.
Shelf Life: Good, if stored safely.


Section 11 — Toxicological Information 

Acute effects: Poison, corrosive ORL-RBT LD50: 900 mg/kg as hydrochloric acid 
Chronic effects: N.A. IHL-RAT LC50: 3124 ppm/1H as hydrochloric acid 
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 #24b is one option.


Section 14 — Transport Information 

Shipping Name: Not regulated 
Hazard Class: N/A 
UN Number: N/A 

N/A = Not applicable 

Section 15 — Regulatory Information 

TSCA-listed, EINECS-listed (231-595-7), RCRA code D002. 

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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flinn@flinnsci.com www.flinnsci.com 

P.O. Box 219 Batavia IL 60510 
(800) 452-1261 Fax (866) 452-1436 
© 2003 Flinn Scientific, Inc. All Rights Reserved. PAGE 2 OF 2