===================== Product Identification =====================
MSDS NAME:HYDROFLUORIC ACID,48 % IN WATER,> 99.99 %,33926-1
NIIN:01-446-7534
MSDS Number: CFMWK
=== Responsible Party ===
Company:ALDRICH CHEMICAL CO INC./SUB OF SIGMA-ALDRICH CORP
Address:1001 W. ST. PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info Phone Num:414-273-3850/FAX -4979
Emergency Phone Num:414-273-3850
CAGE:60928
=== Contractor Identification ===
Company:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928
============= Composition/Information on Ingredients =============
Name:HYDROFLUORIC ACID/HYDROGEN FLUORIDE (SARA 302/313) (CERCLA)
CAS:7664-39-3
RTECS #:MW7875000
Fraction by Wt: 48%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:3 PPM (F)
ACGIH TLV:C 3 PPM(F); 9596
EPA Rpt Qty:100 LBS
DOT Rpt Qty:100 LBS
===================== Hazards Identification =====================
LD50 LC50 Mixture:TLV 3 PPM.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS:LIVER, KIDNEYS,
RESPIRATORY SYSTEM, SKELETAL STRUCTURE. ACUTE- CORROSIVE/TOXIC.
EYES/SKIN:CAUSES SEVERE BURNS, EYE DAMGE. RAPIDLY ABSORBED THROUGH
SKIN. ORAL:CAUSES SEVERE BURNS, TOXIC E FFECTS ON LIVER, HEART,
KIDNEYS. INHALE:SEVERE IRRITATION, PAIN, INFLAMMATION. CHRONIC-
CAUSES BRONCHITIS, KIDNEY EFFECT
Explanation of Carcinogenicity:NONE
Effects of Overexposure:SEVERE IRRITATION, SEVERE BURNS, COUGH, NAUSEA,
NASAL DISCHARGE, RESPIRATORY FAILURE, REDNESS OF EYES, BLURRED
VISION, BURNING SENSATION IN MOUTH AND PHARYNX, SALIVATION,
ABDOMINAL PAIN, VOMITING BLOO D, DIARRHEA, HEMATURIA, DIFFICULTY
BREATHING, SHOCK, RAPID PULSE, DEATH
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING SKIN
DISORDERS, EYE PROBLEMS OR IMPAIRED LIVER, KIDNEY OR RESPIRATORY
FUNCTION MAY BE MORE SUSCEPTIBLE TO THE EFFECTS OF THIS PRODUCT.
======================= First Aid Measures =======================
First Aid:GET IMMEDIATE MEDICAL HELP FOR ALL CASES OF EXPOSURE.
EYES/SKIN:IMMEDIATELY FLUSH WITH WATER FOR AT LEAST 15 MINUTES.
HOLD EYELIDS OPEN. INHALED:MOVE TO FRESH AIR. PROVIDE CPR/OXYGEN IF
NECESSARY. ORA L:DO NOT INDUCE VOMITING. IF CONSCIOUS,DRINK 4-8
OUNCES OF MILK/WATER. NEVER GIVE ANYTHING BY MOUTH TO AN
UNCONSCIOUS PERSON. IF VOMITING OCCURS SPONTANEOUSLY, KEEP AIRWAY
CLEAR.
===================== Fire Fighting Measures =====================
Flash Point:NONE
Lower Limits:NOT RELEVANT
Upper Limits:NOT RELEVANT
Extinguishing Media:DRY CHEMICAL POWDER. USE WATER SPRAY TO COOL FIRE
EXPOSED CONTAINERS.
Fire Fighting Procedures:WEAR FULL PROTECTIVE CLOTHING AND
NIOSH-APPROVED SELF-CONTAINED BREATHING APPARATUS WITH FULL
FACEPIECE OPERATED IN THE POSITIVE PRESSURE MODE.
Unusual Fire/Explosion Hazard:CORROSIVE HYDROGEN FLUORIDE GAS AND OTHER
TOXIC MATERIALS MAY BE PRESENT. CONTAINER MAY EXPLODE.
================== Accidental Release Measures ==================
Spill Release Procedures:WEAR PROPER PROTECTIVE EQUIPMENT. VENTILATE
AREA. AVOID RUNOFF INTO STORM SEWERS AND DITCHES WHICH LEAD TO
WATERWAYS. ABSORB ON SAND OR VERMICULITE. PLACE IN CLOSED CONTAINER
FOR DISPOSAL. WASH SPILLE SITE AFTER PICKUP IS COMPLETE.
Neutralizing Agent:SODIUM CARBONATE
====================== Handling and Storage ======================
Handling and Storage Precautions:STORE IN COOL, DRY, WELL VENTILATED
AREA, AWAY FROM INCOMPATIBLE SUBSTANCES. DO NOT STORE IN GLASS
CONTAINERS.
Other Precautions:CORROSIVE AND TOXIC. DO NOT TOUCH MATERIAL. KEEP
CONTAINER TIGHTLY CLOSED. WASH THOROUGHLY AFTER HANDLING. AVOID
BREATHING VAPORS. DO NOT GET IN EYES, ON SKIN OR ON CLOTHING. KEEP
OUT OF REACH OF CHIL DREN.
============= Exposure Controls/Personal Protection =============
Respiratory Protection:IF TLV IS EXCEEDED OR FOR SYMPTOMS OF OVER
EXPOSURE, WEAR NIOSH-APPROVED RESPIRATOR. IN EMERGENCY, WEAR A
NIOSH-APPROVED POSITIVE-PRESSURE SELF-CONTAINED BREATHING
APPARATUS. USE ONLY IN A CHEMICAL FU ME HOOD.
Ventilation:PROVIDE SUFFICIENT MECHANICAL (GENERAL AND/OR LOCAL
EXHAUST) VENTILATION TO MAINTAIN EXPOSURE BELOW TLV(S).
Protective Gloves:PVC, NEOPRENE
Eye Protection:SPLASH-PROOF SAFETY GOGGLES & FACESHIELD
Other Protective Equipment:EYE WASH STATION, QUICK DRENCH SHOWER AND
IMPERVIOUS CLOTHING
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. WASH BEFORE EATING OR DRINKING.
Supplemental Safety and Health
NOTE TO PHYSICIAN: SYMPTOMS FOR CHEMICAL BURNS MAY BE DELAYED UP TO 24
HOURS. TO PREVENT ABSORPTION BY INGESTION, GIVE MILK, CHEWABLE
CALCIUM CARBONATE OR MILK OF MAGNESIA. CONDITIONS SUCH AS HYPOCALC
EMICA, HYPOMAGNESEMIA AND CARDIAC ARRHYTHMIAS SHOULD BE MONITORED
FOR, SINCE THEY CAN OCCUR AFTER EXPOSURE.
================== Physical/Chemical Properties ==================
HCC:C1
NRC/State Lic Num:NOT RELEVANT
Vapor Pres:25 @ 68F
Vapor Density:1.27
Spec Gravity:1.150
pH:<2
Solubility in Water:COMPLETE
Appearance and Odor:CLEAR, COLORLESS LIQUID WITH A STRONG IRRITATING
ODOR
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:YES
STRONG ALKALIS, GLASS, METALS, CYANIDES, SULFIDES, WATER-REACTIVE
MATERIALS, METAL OXIDES, CARBONATES, K PERMANGANATE
Stability Condition to Avoid:HEAT, SUNLIGHT
Hazardous Decomposition Products:FLUORIDE FUMES, HYDROGEN GAS
==================== Disposal Considerations ====================
Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH LOCAL, STATE AND
FEDERAL REGULATIONS. CAUTIOUSLY, DISSOLVE IN WATER. NEUTRALIZE WITH
SODIUM CARBONATE. SEPARATE PRECIPITATE AND BURY IN AN APPROVED
LANDFILL. REPORTABLE Q UANTITY (RQ): 100 POUNDS.
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.
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