Material Safety Data Sheet
Magnesium Hydroxide
ACC# 13405
Section 1 - Chemical Product and Company Identification |
MSDS Name: Magnesium Hydroxide
Catalog Numbers:
S80064, S93293, M342-500
Synonyms:
Magnesia magma; Magnesium Hydrate, Milk of Magnesia.
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 |
1309-42-8 |
MAGNESIUM HYDROXIDE |
95-100 | 215-170-3 |
Section 3 - Hazards Identification
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EMERGENCY OVERVIEW
Appearance: white solid.
Warning! Causes eye, skin, and respiratory tract
irritation.
Target Organs: Respiratory system, eyes, skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea. May be harmful if swallowed.
Excessive amounts of magnesium may cause central nervous system
depression, respiratory paralysis, and cardiac
Inhalation:
Causes respiratory tract irritation. May be harmful if inhaled.
Chronic:
Repeated exposure may cause kidney damage and digestive tract
abnormalities.
Section 4 - First Aid Measures
|
Eyes:
Immediately flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid imme
diately.
Skin:
Immediately flush skin with plenty of water for at least 15 minutes
while removing contaminated clothing and shoes. Get medical aid if
irritation develops or persists.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Get medical aid immediately.
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 if cough or other symptoms appear.
Notes to Physician:
Treat symptomatically and supportively.
Antidote:
Intravenous calcium chloride(10 to 20 cc of 5% solution, diluted if
desirable with isotonic saline) counteracts the toxic actions of
magnesium. Also, physostigimine 0.5 to 1.0 mg subcutaneously.
Section 5 - Fire Fighting Measures
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General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear.
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: 2; Flammability: 0; Instability: 0
Section 6 - Accidental Release Measures
|
General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective
Equipment section. Wear a self contained breathing apparatus and
appropriate personal protection. (See Exposure Controls, Personal
Protection section). Sweep up or absorb material, then place into a
suitable clean, dry, closed container for disposal. Avoid generating
dusty conditions.
Section 7 - Handling and Storage
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Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use with adequate ventilation. Minimize dust
generation and accumulation. Keep container tightly closed. Do not
get on skin or in eyes. Do not ingest or inhale.
Storage:
Store in a cool, dry, well-ventilated area away from incompatible
substances. Keep containers tightly closed.
Section 8 - Exposure Controls, Personal Protection
|
Engineering Controls:
Local exhaust may be necessary to control concentrations to
acceptable levels.
Exposure Limits
Chemical Name |
ACGIH |
NIOSH |
OSHA - Final PELs |
MAGNESIUM HYDROXIDE
|
none listed
|
none listed
|
none listed
|
OSHA Vacated PELs:
MAGNESIUM HYDROXIDE:
No OSHA Vacated PELs are listed for this chemical.
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: 9.5-10.5 (slurry)
Vapor Pressure: Not available.
Vapor Density: Not available.
Evaporation Rate:Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point:350 deg C
Decomposition Temperature:350 deg C
Solubility: Insoluble in water.
Specific Gravity/Density:2.36 (water=1)
Molecular Formula:Mg(OH)2
Molecular Weight:58.3178
Section 10 - Stability and Reactivity
|
Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions.
Conditions to Avoid:
Incompatible materials, dust generation.
Incompatibilities with Other Materials:
Phosphorus (spontaneous ignition).
Hazardous Decomposition Products:
Oxides of magnesium.
Hazardous Polymerization: Has not been reported.
Section 11 - Toxicological Information
|
RTECS#:
CAS# 1309-42-8:
OM3570000
LD50/LC50:
CAS# 1309-42-8:
Oral, mouse: LD50
= 8500 mg/kg;
Oral, rat: LD50 =
8500 mg/kg;
.
Carcinogenicity:
CAS# 1309-42-8:
Not listed by ACGIH, IARC, NTP, or CA Prop 65.
Epidemiology:
No information available.
Teratogenicity:
No information available.
Reproductive Effects:
No information available.
Mutagenicity:
No information available.
Neurotoxicity:
No information available.
Other Studies:
Section 12 - Ecological Information
|
Ecotoxicity:
No data available.
No information available.
Environmental:
No information reported.
Physical:
No information available.
Other:
None.
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: |
|
|
Packing Group: |
|
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Section 15 - Regulatory Information
|
US FEDERAL
TSCA
CAS# 1309-42-8 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# 1309-42-8 is not present on
state lists from CA, PA, MN, MA, FL, or NJ.
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:
XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face protection.
WGK (Water Danger/Protection)
CAS# 1309-42-8: 1
Canada - DSL/NDSL
CAS# 1309-42-8 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: 3/23/1999
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.