SIGMA CHEMICAL -- 22122-8 AMMONIUM HYDROXIDE ACS REAGENT 

MATERIAL SAFETY DATA SHEET

NSN: 650500F056293

Manufacturer's CAGE: 21076 

Part No. Indicator: A 

Part Number/Trade Name: 22122-8 AMMONIUM HYDROXIDE ACS REAGENT 

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                            General Information

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Company's Name: SIGMA CHEMICAL COMPANY 

Company's Street: 3050 SPRUCE ST 

Company's P. O. Box: 14508 

Company's City: SAINT LOUIS 

Company's State: MO 

Company's Country: US 

Company's Zip Code: 63178-5000 

Company's Emerg Ph #: 314-771-5765/800-325-3010 

Company's Info Ph #: 314-771-5765/800-325-3010 

Distributor/Vendor # 1: ALDRICH CHEMICAL CO SUB OF SIGMA-ALDRICH 

Distributor/Vendor # 1 Cage: 60928 

Distributor/Vendor # 2: FLUKA CHEMICAL CORP 

Distributor/Vendor # 2 Cage: 63181 

Safety Data Action Code: A 

Record No. For Safety Entry: 001 

Tot Safety Entries This Stk#: 001 

Status: SE 

Date MSDS Prepared: 01MAY95 

Safety Data Review Date: 10JUN98 

Preparer's Company: SIGMA CHEMICAL COMPANY 

Preparer's St Or P. O. Box: 3050 SPRUCE ST 

Preparer's City: SAINT LOUIS 

Preparer's State: MO 

Preparer's Zip Code: 63178-5000 

MSDS Serial Number: CHMXN 

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                     Ingredients/Identity Information

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Proprietary: NO 

Ingredient: AMMONIUM HYDROXIDE, AQUA AMMONIA *98-2*

Ingredient Sequence Number: 01 

Ingredient Action Code: A 

NIOSH (RTECS) Number: BQ9625000 

CAS Number: 1336-21-6 

ACGIH TLV: 25 PPM 

Other Recommended Limit: 25 PPM 

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Proprietary: NO 

Ingredient: AMMONIA, AMMONIUM HYDROXIDE-ANHYDROUS, ANHYDROUS AMMONIA

Ingredient Sequence Number: 02 

Percent: 20-30 

Ingredient Action Code: A 

NIOSH (RTECS) Number: BO0875000 

CAS Number: 7664-41-7 

OSHA PEL: 35 MG/CUM 

ACGIH TLV: 17 MG/CUM 

Other Recommended Limit: 25 PPM 

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                     Physical/Chemical Characteristics

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Appearance And Odor: CLEAR COLORLESS LIQUID

Vapor Pressure (MM Hg/70 F): 115 

Vapor Density (Air=1): 1.2 

Specific Gravity: 0.9 

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                      Fire and Explosion Hazard Data

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Flash Point: NONE 

Lower Explosive Limit: 16 

Upper Explosive Limit: 27 

Special Fire Fighting Proc: WEAR SCBA & PROTECTIVE CLOTHING.

Unusual Fire And Expl Hazrds: NONCOMBUSTIBLE. EMITS TOXIC FUMES UNDER FIRE

CONDITIONS. AUTOIGNITION TEMP: 1204F.

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                              Reactivity Data

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Stability: YES 

Materials To Avoid: ACIDS, COPPER, COPPER ALLOYS, GALVANIZED IRON,

ALUMINUM.

Hazardous Decomp Products: COMBUSTION: AMMONIA.

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: HARMFUL IF INGESTED, INHALED/ABSORBED

THROUGH SKIN. EXTREMELY DESTRUCTIVE TO TISSUE OF THE MUCOUS MEMBRANES &

UPPER RESPIRATORY TRACT, EYES/SKIN. INHALATION: FATAL, RESULTING IN 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: SPASM, INFLAMMATION, BURNING SENSATION,

COUGHING, WHEEZING, LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA,

VOMITING.

Emergency/First Aid Proc: EYES/SKIN: FLUSH W/COPIOUS AMOUNTS OF WATER FOR

15 MINS. INGESTION: WASH OUT MOUTH W/WATER IF CONSCIOUS. INHALATION: REMOVE

TO FRESH AIR. GIVE CPR/OXYGEN IF NEEDED. 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: USE SCBA. EVACUATE AREA. ABSORB ON SAND/

VERMICULITE & PLACE IN CLOSED CONTAINERS FOR DISPOSAL. VENTILATE AREA &

WASH SITE AFTER MATERIAL PICKUP IS COMPLETE.

Waste Disposal Method: CAUTIOUSLY ADD A LARGE STIRRED EXCESS OF WATER.

ADJUST PH TO NEUTRAL, SEPARATE INSOLUBE SOLIDS/LIQUIDS & PACKAGE THEM FOR

DISPOSAL. FLUSH THE AQUEOUS SOLUTION DOWN THE DRAIN W/PLENTY OF WATER, IAW/

FEDERAL, STATE & LOCAL REGULATIONS.

Precautions-Handling/Storing: REFRIGERATE BEFORE OPENING. KEEP TIGHTLY

CLOSED.

Other Precautions: AVOID PROLONGED/REPEATED EXPOSURE. DON'T GET IN EYES,

SKIN/CLOTHING. DON'T BREATHE VAPOR.

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                             Control Measures

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Respiratory Protection: WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.

Ventilation: CHEMICAL FUME HOOD.

Protective Gloves: CHEMICAL RESISTANT 

Eye Protection: SAFETY GOGGLES/FACESHIELD (8-INCH MIN) 

Other Protective Equipment: PROTECTIVE CLOTHING, SAFETY SHOWER & EYE BATH.

Work Hygienic Practices: REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE

REUSE. 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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