ALDRICH CHEMICAL SUB OF SIGMA-ALDRICH -- 25814-8 HYDROCHLORIC ACID 37%, A.C.S REAGENT - HYDROCHLORIC ACID 
MATERIAL SAFETY DATA SHEET
NSN: 681000F009574
Manufacturer's CAGE: 60928 
Part No. Indicator: A 
Part Number/Trade Name: 25814-8 HYDROCHLORIC ACID 37%, A.C.S REAGENT 
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                            General Information
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Item Name: HYDROCHLORIC ACID 
Company's Name: ALDRICH CHEMICAL SUB OF SIGMA-ALDRICH 
Company's Street: 1001 W ST PAUL AVE 
Company's P. O. Box: 355 
Company's City: MILWAUKEE 
Company's State: WI 
Company's Country: US 
Company's Zip Code: 53201 
Company's Emerg Ph #: 800-325-5832-S/800-231-8327-A 
Company's Info Ph #: 414-273-3850/FAX 414-273-4979 
Record No. For Safety Entry: 001 
Tot Safety Entries This Stk#: 001 
Status: SE 
Date MSDS Prepared: 16APR92 
Safety Data Review Date: 31JAN94 
Preparer's Company: ALDRICH CHEMICAL SUB OF SIGMA-ALDRICH 
Preparer's St Or P. O. Box: 1001 W ST PAUL AVE 
Preparer's City: MILWAUKEE 
Preparer's State: WI 
Preparer's Zip Code: 53201 
MSDS Serial Number: BHLDF 
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                     Ingredients/Identity Information
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Proprietary: NO 
Ingredient: HYDROCHLORIC ACID, HYDROGEN CHLORIDE, MURIATIC ACID
HYDROCHLORIDE
Ingredient Sequence Number: 01 
Percent: 37 
NIOSH (RTECS) Number: MW4025000 
CAS Number: 7647-01-0 
OSHA PEL: 5 PPM 
ACGIH TLV: C 11 MG/CUM 
Other Recommended Limit: 7 PPM 
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                     Physical/Chemical Characteristics
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Appearance And Odor: COLORLESS LIQUID
Vapor Pressure (MM Hg/70 F): 3.23 PSI 
Vapor Density (Air=1): 1.3 
Specific Gravity: 1.2 
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                      Fire and Explosion Hazard Data
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Flash Point: NONE 
Extinguishing Media: NONCOMBUSTIBLE. USE EXTINGUISHING MEDIA APPROPRIATE
TO SURROUNDING FIRE CONDITIONS.
Special Fire Fighting Proc: WEAR SCBA/PROTECTIVE CLOTHING TO PREVENT
CONTACT W/SKIN & EYES. USE WATER SPRAY TO COOL FIRE-EXPOSED CONTAINERS.
Unusual Fire And Expl Hazrds: EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
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                              Reactivity Data
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Stability: YES 
Materials To Avoid: BASES, AMINES, ALKALI METALS, COPPER, COPPER ALLOYS,
ALUMINUM, CORRODES STEEL.
Hazardous Decomp Products: HYDROGEN CHLORIDE GAS
Hazardous Poly Occur: NO 
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                            Health Hazard Data
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Route Of Entry - Inhalation: YES 
Route Of Entry - Skin: YES 
Route Of Entry - Ingestion: YES 
Health Haz Acute And Chronic: MAY BE FATAL IF INHALED, SWALLOWED OR
ABSORBED THROUGH SKIN. CAUSES BURNS. EXTREMELY DESTRUCTIVE TO TISSUE OF THE
MUCOUS MEMBRANES & UPPER RESPIRATORY TRACT, EYES & SKIN. INHALATION MAY BE
FATAL AS A RESULT OF SPASM, INFLAMMATION & EDEMA OF THE LARYNX & BRONCHI,
CHEMICAL PNEUMONITIS & PULMONARY EDEMA.
Carcinogenicity - NTP: NO 
Carcinogenicity - IARC: NO 
Carcinogenicity - OSHA: NO 
Explanation Carcinogenicity: NONE
Signs/Symptoms Of Overexp: INHALATION: BURNING SENSATION, COUGHING,
WHEEZING, LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA & VOMITING.
Emergency/First Aid Proc: EYES/SKIN: FLUSH W/PLENTY OF WATER FOR AT LEAST
15 MINS WHILE REMOVING CONTAMINATED CLOTHING & SHOES. ASSURE ADEQUATE
REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL RESPIRATION, IF
BREATHING IS DIFFICULT, GIVE OXYGEN. INGESTION: WASH OUT MOUTH W/WATER, IF
CONSCIOUS. OBTAIN MEDICAL ATTENTION IN ALL CASES.
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                   Precautions for Safe Handling and Use
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Steps If Matl Released/Spill: EVACUATE AREA. WEAR SCBA, RUBBER BOOTS &
HEAVY RUBBER GLOVES. COVER W/DRY-LIME, SAND, OR SODA ASH. PLACE IN COVERED
CONTAINERS USING NON-SPARKING TOOLS & TRANSPORT OUTDOORS. VENTILATE AREA/
WASH SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE.
Neutralizing Agent: DRY-LIME, SAND OR SODA ASH
Waste Disposal Method: SMALL: CAUTIOUSLY ADD TO A LARGE STIRRED OF WATER.
ADJUST PH TO 7. SEPARATE INSOLUBLE SOLIDS/LIQUIDS. PACKAGE FOR HAZARDOUS
WASTE. FLUSH AQUEOUS SOLUTION DOWN DRAIN W/WATER. HYDROLYSIS/NEUTRALIZATION
REACTIONS CAN BE CONTROLLED BY RATE OF ADDITION.
Precautions-Handling/Storing: KEEP TIGHTLY CLOSED. MAY DEVELOP PRESSURE.
STORE IN A COOL DRY PLACE. DO NOT ALLOW WATER TO ENTER CONTAINER BECAUSE OF
VIOLENT REACTION.
Other Precautions: DON'T PIPET BY MOUTH. AVOID CONTACT W/SKIN, EYES,
CLOTHING & BREATHING OF VAPORS.
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                             Control Measures
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Respiratory Protection: USE NIOSH/MSHA APPROVED RESPIRATOR IN NON
VENTILATED AREAS &/OR FOR EXPOSURE ABOVE THE ACGIH TLV.
Ventilation: MECHANICAL EXHAUST
Protective Gloves: RUBBER 
Eye Protection: FACESHIELD (8"), CHEMICAL SAFETY GOGGLES 
Other Protective Equipment: SAFETY SHOWER, EYE BATH
Work Hygienic Practices: REMOVING/WASH CONTAMINATED CLOTHING & SHOES
BEFORE REUSE. DISCARD CONTAMINATED SHOES. WASH THOROUGHLY AFTER HANDLING.
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                            Transportation Data
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                               Disposal Data
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                                Label Data
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Label Required: YES 
Technical Review Date: 31JAN94 
Label Date: 28JAN94 
Label Status: F 
Common Name: HYDROCHLORIC ACID 37%, A.C.S REAGENT 
Chronic Hazard: YES 
Signal Word: DANGER! 
Acute Health Hazard-Severe: X 
Contact Hazard-Severe: X 
Fire Hazard-Slight: X 
Reactivity Hazard-Slight: X 
Special Hazard Precautions: MAY BE FATAL IF INHALED, SWALLOWED OR ABSORBED
THROUGH SKIN. CAUSES BURNS. EXTREMELY DESTRUCTIVE TO TISSUE OF THE MUCOUS
MEMBRANES & UPPER RESPIRATORY TRACT, EYES & SKIN. INHALATION MAY BE FATAL
AS A RESULT OF SPASM, INFLAMMATION & EDEMA OF THE LARYNX & BRONCHI,
CHEMICAL PNEUMONITIS & PULMONARY EDEMA. TARGET ORGANS: MUCOUS MEMBRANES,
UPPER RESPIRATORY TRACT, EYES, SKIN, LUNGS.
Protect Eye: Y 
Protect Skin: Y 
Protect Respiratory: Y 
Label Name: ALDRICH CHEMICAL SUB OF SIGMA-ALDRICH 
Label Street: 1001 W ST PAUL AVE 
Label P.O. Box: 355 
Label City: MILWAUKEE 
Label State: WI 
Label Zip Code: 53201 
Label Country: US 
Label Emergency Number: 800-325-5832-S/800-231-8327-A