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MSDS 
:
 Silica Gel
CAS 
:
 7646-79-9
SYNONYMS 
:
 None
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 7646-79-9 |Cobaltous chloride | 0.5 | 231-589-4 |
|----------------|--------------------------------------|----------|-----------|
| 112926-00-8 |Silica gel, pptd., cryst.-free, hydrat| 100.0 | unlisted |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: T
Risk Phrases: 49

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
May cause cancer by inhalation.

Potential Health Effects
Eye:
Dust may cause mechanical irritation.
Skin:
Dust may cause mechanical irritation.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea.
Inhalation:
May cause respiratory tract irritation.
Chronic:
Prolonged exposure to respirable crystalline quartz may cause
delayed lung injury/fibrosis (silicosis). Cobalt compounds may cause
cancer based upon animal studies.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
Get medical aid. Gently lift eyelids and flush continuously with
water.
Skin:
Get medical aid if irritation develops or persists. Flush skin with
plenty of soap and water.
Ingestion:
Treat symptomatically and supportively. Get medical aid.
Inhalation:
Remove from exposure and move to fresh air immediately. If not
breathing, give artificial respiration. If breathing is difficult,
give oxygen. Get medical aid. Do NOT use mouth-to-mouth
resuscitation.
Notes to Physician:

**** SECTION 5 - FIRE FIGHTING MEASURES ****

General Information:
Material will not burn. Use extinguishing media appropriate to the
surrounding fire.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, water spray or
alcohol-resistant foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal
container. Avoid generating dusty conditions.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Use only in a well-ventilated area. Minimize dust generation and
accumulation. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Store in a dry area.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use adequate general or local exhaust ventilation to keep airborne
concentrations below the permissible exposure limits.
Exposure Limits
CAS# 7646-79-9:
United Kingdom, WEL - TWA: (listed as cobalt compounds): 0.1 mg/m
TWA (as Co)
United Kingdom, WEL - STEL: (listed as cobalt compounds): 0.3 mg/
STEL (as Co)

Japan: (listed as cobalt compounds): 0.05 mg/m3 OEL (as Co)
Malaysia: (listed as cobalt, inorganic compounds): 0.02 mg/m3 TWA
Co)
Spain: (listed as cobalt, inorganic compounds): 0.02 mg/m3 VLA-ED
Co)
CAS# 112926-00-8:

Belgium - TWA: 10 mg/m3 VLE
Malaysia: 10 mg/m3 TWA
Spain: 10 mg/m3 VLA-ED

Personal Protective Equipment

Eyes:
Wear appropriate protective eyeglasses or chemical
safety goggles as described by OSHA's eye and face
protection regulations in 29 CFR 1910.133 or European
Standard EN166.
Skin:
Wear appropriate gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize
contact with skin.
Respirators:
Follow the OSHA respirator regulations found in 29
CFR 1910.134 or European Standard EN 149. Use a
NIOSH/MSHA or European Standard EN 149 approved
respirator if exposure limits are exceeded or if
irritation or other symptoms are experienced.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Solid
Color: blue
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not applicable.
Boiling Point: Not available.
Freezing/Melting Point: 2230 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: insoluble in water
Specific Gravity/Density: Not available.
Molecular Formula: Not applicable.
Molecular Weight:

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable.
Conditions to Avoid:
Incompatible materials, moisture.
Incompatibilities with Other Materials:
Strong acids, hydrogen fluoride
Hazardous Decomposition Products:
No data available.
Hazardous Polymerization: Has not been reported

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 7646-79-9: GF9800000
CAS# 112926-00-8: VV7315000
LD50/LC50:
CAS# 7646-79-9: Oral, mouse: LD50 = 80 mg/kg; Oral, rat: LD50 = 80
mg/kg; Oral, rat: LD50 = 418 mg/kg.
CAS# 112926-00-8.
Carcinogenicity:
Cobaltous chloride -
IARC: Group 2B carcinogen (listed as Soluble cobalt (II) salts).
Silica gel, pptd., cryst.-free, hydrated form -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Ecotoxicity:
No information reported.

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Products which are considered hazardous for supply are classified as Special
Waste and the disposal of such chemicals is covered by regulations which may
vary according to location. Contact a specialist disposal company or the local
waste regulator for advice. Empty containers must be decontaminated before
returning for recycling.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
IMO
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Risk Phrases:
R 49 May cause cancer by inhalation.
Safety Phrases:
S 53 Avoid exposure - obtain special instructions
before use.
S 22 Do not breathe dust.
WGK (Water Danger/Protection)
CAS# 7646-79-9: 2
CAS# 112926-00-8: 0
Canada
CAS# 7646-79-9 is listed on Canada's DSL List.
CAS# 112926-00-8 is listed on Canada's DSL List.
CAS# 7646-79-9 is listed on Canada's Ingredient Disclosure List.
CAS# 112926-00-8 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7646-79-9 is listed on the TSCA inventory.
CAS# 112926-00-8 is not on the TSCA Inventory because it is a hydrate.
It is considered to be listed if the CAS number for the anhydrous form
is on the inventory (40CFR720.3(u)(2)).

**** SECTION 16 - ADDITIONAL INFORMATION ****

Text for R-phrases from Section 2
MSDS Creation Date: 12/12/1997 Revision #5 Date: 3/18/2003

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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