Product ID:SILICA GEL
MSDS Date:06/15/1995
FSC:6850
NIIN:01-209-4437
MSDS Number: BHXCY

Emergency Phone: 410-659-9058/301-874-2009(J.CONVEY)

Info Phone: 410-659-9000

Cage: 16210

Telephone: 410-659-9000

Cage: 16210

AMORPHOUS SILICA GEL (FORMERLY CAS # 63231-67-4)

CAS: 112926-00-8

RTECS: VV7322000

Fraction By Weight: 99.0%

LD50 LC50 Mixture:ORAL LD50 (RAT) IS EST. >31,600 MG/KG
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:PRODUCT HAS A DRYING EFFECT ON BODY
TISSUES AND IS MECHANICALLY IRRITATING. AS WITH ANY DUST, CHRONIC
INHALATION OF THE DUST MAY LEAD TO RESPIRATORY IRRITATION.
Explanation of Carcinogenicity:THIS PRODUCT AND ITS COMPONENTS ARE NOT
LISTED ON THE IARC, NTP OR OSHA CARCINOGENS LISTS.
Effects of Overexposure:EYE:MECHANICAL IRRITATION. SKIN:DRYING,
IRRITATION. INHALED:RESPIRATORY IRRITATION, COUGHING. INGESTED:NONE
SPECIFIED BY MANUFACTURER.
Medical Cond Aggravated by Exposure:MANUFACTURER KNOWS OF NO MEDICAL
CONDITIONS ABNORMALLY AGGRAVATED BY EXPOSURE TO THIS PRODUCT.

First Aid:EYES-IMMEDIATELY FLUSH WITH LARGE AMOUNTS OF WATER,
OCCASIONALLY LIFTING THE UPPER & LOWER EYE LIDS. IF IRRITATION
OCCURS & PERSISTS, SEEK MEDICAL ATTENTION. SKIN-WASH WITH SOAP &
WATER. INHALATION-RE MOVE TO FRESH AIR. INGESTION:-MATERIAL WILL
PASS THROUGH THE BODY NORMALLY. IF ANY IRRITATION PERSISTS, OR IS
SEVERE, SEE A DOCTOR.

Flash Point:NON-FLAMMABLE
Extinguishing Media:PRODUCT IS NON FLAMMABLE. EXTINGUISH FIRE WITH
MEDIA APPROPRIATE FOR SOURCE OF FIRE.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

Spill Release Procedures:SWEEP OR VACUUM UP OR FLUSH TO SEWER. AVOID
CREATING DUST DURING CLEAN UP.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE TIGHTLY CLOSED IN A DRY AREA.
Other Precautions:NONE

Respiratory Protection:RESPIRATOR WILL NOT NORMALLY BE NECESSARY. USE
NIOSH APPROVED AIR SUPPLIED RESPIRATOR OR RESPIRATOR FOR DUST IF
EXPOSURE IS ABOVE THE TLV/PEL. SEE 29 CFR 1910.134 FOR REGULATIONS
PERTAINING TO RESPIRA TOR USE.
Ventilation:NORMAL ROOM VENTILATION IS USUALLY ADEQUATE TO MAINTAIN
DUST LEVELS BELOW PEL/TLV FOR NUISANCE DUST.
Protective Gloves:CLOSE-WEAVE COTTON WITH TIGHT WRISTLETS
Eye Protection:GOGGLES FOR DUSTY CONDITIONS
Other Protective Equipment:LONG SLEEVED WORK CLOTHING.
Work Hygienic Practices:USE GOOD PERSONAL HYGIENE PRACTICE. VACUUM UP
ANY DUST. LAUNDER CLOTHING BEFORE REUSE.
Supplemental Safety and Health
SILICA GEL IS A SYNTHETIC AMORPHOUS SILICA NOT TO BE CONFUSED WITH
CRYSTALLINE SILICA. EPIDEMIOLOGICAL STUDIES INDICATE LOW POTENTIAL
FOR ADVERSE HEALTH EFFECTS. SILICA GEL IS CONSIDERED TO BE A NUISA
NCE DUST. IN THE ACTIVATED FORM, SILICAGEL ACTS AS A DESICCANT &
CAN CAUSE A DRYING IRRITATION OF THE MUCOUS MEMBRANES.

HCC:V7
Spec Gravity:2.1
pH:3.5-8.
Solubility in Water:NEGLIGIBLE
Appearance and Odor:DRY WHITE GRANULES, BEADS, OR POWDER. (PH OF SLURRY
IS 3.5-8.5)

Stability Indicator/Materials to Avoid:YES
HYDROFLUORIC ACID.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE SPECIFIED BY MANUFACTURER.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

Waste Disposal Methods:DISPOSE IN AN APPROVED LANDFILL ACCORDING TO
LOCAL, STATE AND FEDERAL REGULATIONS. COVER PROMPTLY TO AVOID
BLOWING DUST.

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.