Product ID:2180 SODIUM HYDROXIDE SOLUTION 50% (W/W)
MSDS Date:04/10/1990
FSC:6810
NIIN:00D000816
MSDS Number: BBDJY

HACH CO.

100 DAYTON RD.
LOVELAND, CO 80539
US

Emergency Phone: 800-227-4224

Info Phone: 800-227-4224

Cage: 91224

HACH CO

389 LOVELAND, CO 80539 US

Telephone: 970-669-3050/ 303-623-5716

Cage: 91224

SODIUM HYDROXIDE (SARA III)

CAS: 1310-73-2

RTECS: WB4900000

Fraction By Weight: 50%

OSHA PEL 2 MG/M3

ACGIH TLV: C 2 MG/M3; 9394

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

WATER (DEIONIZED OR DISTILLED)

CAS: 7732-18-5

RTECS: ZC0110001

Fraction By Weight: 50%

LD50 LC50 Mixture:ORAL LD50 (RAT) IS 300 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHALATION MAY CAUSE
RESPIRATORY IRRITATION OR LUNG DAMAGE. CONTACT MAY IRRITATE OR BURN
SKIN AND EYES. SWALLOWING MAY CAUSE SEVERE GI TRACT IRRITATION AND
BURNS TO MUCOUS MEMBRANES IN MOUTH AN D THROAT. CHRONIC: NONE
SPECIFIED BY MANUFACTURER.
Explanation of Carcinogenicity:SODIUM HYDROXIDE IS NOT LISTED BY NTP OR
IARC AS A CARCINOGEN.
Effects of Overexposure:INHALED: COUGHING, SNEEZING, WHEEZING,
SHORTNESS OF BREATH, BURNING SENSATION IN CHEST, CHEST PAIN. SKIN:
REDNESS, BURNS, PAIN, SWELLING, BLISTERS. EYES: PAIN, TEARING,
REDNESS, SWELLING. INGESTED: PA IN IN THROAT-MOUTH-STOAMCH, NAUSEA,
VOMITING, DIARRHEA.
Medical Cond Aggravated by Exposure:PRE-EXISTING SKIN, EYE AND
RESPIRATORY CONDITIONS.

First Aid:INHALED: REMOVE TO FRESH AIR. GIVE ARTIFICIAL RESPIRATION IF
REQUIRED. SEE DOCTOR. SKIN: FLUSH WITH LOTS OF WATER, REMOVE
CONTAMINATED CLOTHES. CALL DOCTOR. EYES: FLUSH WITH LOTS OF WATER
FOR 15 MINUT ES, HOLD LIDS OPEN. GET MEDICAL ATTENTION. INGESTED:
DO NOT INDUCE VOMITING! IF CONSCIOUS, GIVE LARGE AMOUNT OF WATER.
GET IMMEDIATE MEDICAL ATTENTION.

Flash Point:NONE
Extinguishing Media:MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS AND
FULL PROTECTIVE GEAR.
Unusual Fire/Explosion Hazard:MAY REACT VIOLENTLY WITH ACIDS OR ORGANIC
HALOGENS. MAY EMIT TOXIC FUMES OF SODIUM OXIDE IN FIRE.

Spill Release Procedures:PUT IN A BEAKER, DILUTE WITH WATER AND
NEUTRLIZE WITH 6M HCL. WASH DOWN THE DRAIN WITH A LARGE EXCESS OF
WATER IF OK WITH LOCAL, STATE AND FEDERAL REGULATIONS.
Neutralizing Agent:6M HCL

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE AWAY FROM
INCOMPATIBLE MATERIALS.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:IF ENGINEERING CONTROLS FAIL OR NON-ROUTINE USE
OR EMERGENCY OCCURS; USE NIOSH/MSHA APPROVED RESPIRATOR WITH ACID
MIST CARTRIDGE. USE IN ACCORDANCE WITH 29 CFR 1910.134 AND
RESPIRATOR MANUFACTURER'S R ECOMMENDATIONS.
Ventilation:USE ADEQUATE LOCAL EXHAUST VENTILATION TO MAINTAIN EXPOSURE
BELOW REGULATORY LIMITS.
Protective Gloves:PVC, NEOPRENE
Eye Protection:SAFETY GLASSES/CHEMICAL SPLASH GOGGLES
Other Protective Equipment:EYE WASH STATION & SAFETY SHOWER. CLOTHING
TO PREVENT SKIN CONTACT (EG LAB COAT OR COVERALLS).
Work Hygienic Practices:WASH HANDS AFTER USE AND BEFORE EATING,
DRINKING, OR SMOKING. LAUNDER CONTAMINATED CLOTHES BEFORE REUSE.
Supplemental Safety and Health
MSDS DATED 6-12-85.

HCC:C2
Boiling Pt:B.P. Text:284F,140C
Vapor Pres:13 MM HG
Spec Gravity:1.53 (WATER=1)
pH:14
Evaporation Rate & Reference:N/K (N-BUTYL ACETATE=1)
Solubility in Water:APPRECIABLE
Appearance and Odor:CLEAR, COLORLESS LIQUID; PUNGENT ODOR

Stability Indicator/Materials to Avoid:YES
STRONG MINERAL ACIDS, ORGANIC HALOGEN COMPOUNDS.
Stability Condition to Avoid:CONTACT WITH INCOMPATIBLE MATERIALS.
Hazardous Decomposition Products:SODIUM OXIDE IF INVOLVED IN A FIRE.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH LOCAL, STATE AND
FEDERAL REGULATIONS.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.