Material Safety Data Sheet
Calcium Sulfate Hemihydrate
ACC# 04084
Section 1 - Chemical Product and Company Identification |
MSDS Name: Calcium Sulfate Hemihydrate
Catalog Numbers:
AC385350000, AC385351000, AC385355000, C138-10
Synonyms:
Sulfuric acid calcium salt hemihydrate
Company Identification:
Fisher Scientific
1 Reagent Lane
Fair Lawn, NJ 07410
For information, call: 201-796-7100
Emergency Number: 201-796-7100
For CHEMTREC assistance, call: 800-424-9300
For International CHEMTREC assistance, call: 703-527-3887
Section 2 - Composition, Information on Ingredients
|
CAS# |
Chemical Name |
Percent |
EINECS/ELINCS |
10034-76-1 |
Calcium sulfate hemihydrate |
100 | unlisted |
Section 3 - Hazards Identification
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EMERGENCY OVERVIEW
Appearance: white solid.
Caution! May cause eye, skin, and respiratory
tract irritation. The toxicological properties of this material have
not been fully investigated.
Target Organs: No data found.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. May be harmful if absorbed through the
skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if
swallowed.
May cause mechanical obstruction of the digestive
Inhalation:
May cause respiratory tract irritation. May be harmful if inhaled.
Chronic:
No information found.
Section 4 - First Aid Measures
|
Eyes:
In case of contact, immediately flush eyes with plenty of water for a
t least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove
contaminated clothing and shoes. Get medical aid if irritation
develops and persists. Wash clothing before reuse.
Ingestion:
If swallowed, do not induce vomiting unless directed to do so by
medical personnel. Never give anything by mouth to an unconscious
person. Get medical aid.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.
Section 5 - Fire Fighting Measures
|
General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear. During a fire, irritating and highly toxic gases
may be generated by thermal decomposition or combustion.
Extinguishing Media:
Substance is noncombustible; use agent most appropriate to
extinguish surrounding fire.
Flash Point: Not applicable.
Autoignition Temperature: Not applicable.
Explosion Limits, Lower:Not available.
Upper: Not available.
NFPA Rating:
(estimated) Health: 1; Flammability: 0; Instability: 1
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. Clean up spills immediately, observing precautions in the
Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation. Do not let this chemical enter the environment.
Section 7 - Handling and Storage
|
Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid breathing dust,
mist, or vapor. Avoid contact with eyes, skin, and clothing. Keep
container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a cool, dry, well-ventilated area away from incompatible
substances. Store protected from moisture.
Section 8 - Exposure Controls, Personal Protection
|
Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate
ventilation to keep airborne concentrations low.
Exposure Limits
Chemical Name |
ACGIH |
NIOSH |
OSHA - Final PELs |
Calcium sulfate hemihydrate
|
10 mg/m3 TWA (inhalable fraction, listed under Calcium sulfate)
|
none listed
|
none listed
|
Calcium sulfate
|
10 mg/m3 TWA (inhalable fraction)
|
10 mg/m3 TWA (total dust); 5 mg/m3 TWA (respirable dust)
|
15 mg/m3 TWA (total dust); 5 mg/m3 TWA (respirable fraction)
|
OSHA Vacated PELs:
Calcium sulfate hemihydrate:
No OSHA Vacated PELs are listed for this chemical.
Calcium sulfate:
15 mg/m3 TWA; 5 mg/m3 TWA (respirable fraction)
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 protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
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
Appearance: white
Odor: odorless
pH: 6-7.6 for 20% soln.
Vapor Pressure: Not applicable.
Vapor Density: Not available.
Evaporation Rate:Not applicable.
Viscosity: Not available.
Boiling Point: Not applicable.
Freezing/Melting Point:1450 deg C
Decomposition Temperature:Not available.
Solubility: 0.3% in water.
Specific Gravity/Density:Not available.
Molecular Formula:CaSO4. 0.5 H2O
Molecular Weight:145.15
Section 10 - Stability and Reactivity
|
Chemical Stability:
Hygroscopic: absorbs moisture or water from the air.
Conditions to Avoid:
Incompatible materials, dust generation, excess heat, exposure to
moist air or water.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Oxides of sulfur, calcium oxide.
Hazardous Polymerization: Has not been reported.
Section 11 - Toxicological Information
|
RTECS#:
CAS# 10034-76-1
unlisted.
CAS# 7778-18-9:
WS6920000
LD50/LC50:
Not available.
Not available.
Carcinogenicity:
CAS# 10034-76-1:
Not listed by ACGIH, IARC, NTP, or CA Prop 65.
CAS# 7778-18-9:
Not listed by ACGIH, IARC, NTP, or CA Prop 65.
Epidemiology:
No information found
Teratogenicity:
No information found
Reproductive Effects:
No information found
Mutagenicity:
No information found
Neurotoxicity:
No information found
Other Studies:
Section 12 - Ecological Information
|
No information available.
Section 13 - Disposal Considerations
|
Chemical waste generators must determine whether a discarded chemical is classified
as a hazardous waste.
US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3.
Additionally, waste generators must consult state and local hazardous waste regulations to
ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.
Section 14 - Transport Information
|
|
US DOT |
Canada TDG |
Shipping Name: |
Not Regulated |
Not Regulated |
Hazard Class: |
|
|
UN Number: |
|
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Packing Group: |
|
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Section 15 - Regulatory Information
|
US FEDERAL
TSCA
CAS# 10034-76-1 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)).
CAS# 7778-18-9 is listed on the TSCA inventory.
Health & Safety Reporting List
None of the chemicals are on the Health & Safety Reporting List.
Chemical Test Rules
None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
None of the chemicals in this material have a SNUR under TSCA.
CERCLA Hazardous Substances and corresponding RQs
None of the chemicals in this material have an RQ.
SARA Section 302 Extremely Hazardous Substances
None of the chemicals in this product have a TPQ.
Section 313
No chemicals are reportable under Section 313.
Clean Air Act:
This material does not contain any hazardous air pollutants.
This material does not contain any Class 1 Ozone depletors.
This material does not contain any Class 2 Ozone depletors.
Clean Water Act:
None of the chemicals in this product
are listed as Hazardous Substances under the CWA.
None of the chemicals in this
product are listed as Priority Pollutants under the CWA.
None of the chemicals in this
product are listed as Toxic Pollutants under the CWA.
OSHA:
None of the chemicals in this product
are considered highly hazardous by OSHA.
STATE
CAS# 10034-76-1 is not present on
state lists from CA, PA, MN, MA, FL, or NJ.
CAS# 7778-18-9 can be found on the
following state right to know lists: Pennsylvania, Minnesota,
Massachusetts.
California Prop 65
California No Significant Risk Level:
None of the chemicals in this product are listed.
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols:
Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 10034-76-1: 0
CAS# 7778-18-9: 0
Canada - DSL/NDSL
CAS# 7778-18-9 is listed on Canada's DSL List.
Canada - WHMIS
This product has a WHMIS classification of Not controlled..
This product has been classified in accordance with the hazard
criteria of the Controlled Products Regulations and the MSDS
contains all of the information required by those regulations.
Canadian Ingredient Disclosure List
Section 16 - Additional Information
|
MSDS Creation Date: 9/11/1997
Revision #5 Date: 11/08/2007
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 event shall Fisher 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 Fisher has been advised of
the possibility of such damages.