Material Safety Data Sheet
Barium hydroxide octahydrate

ACC# 02421
Section 1 - Chemical Product and Company Identification

MSDS Name: Barium hydroxide octahydrate
Catalog Numbers: AC203140000, AC203140010, AC203140050, AC203140250, AC203142500, AC423460000, AC423460050, AC423465000, B46-250, B46-500
Synonyms:
Barium dihydroxide octahydrate.
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
12230-71-6 Barium hydroxide octahydrate 98+ unlisted

Section 3 - Hazards Identification

EMERGENCY OVERVIEW

Appearance: white solid.
Danger! Causes burns by all exposure routes. Harmful if inhaled or swallowed.
Target Organs: Respiratory system, gastrointestinal system, eyes, skin.


Potential Health Effects
Eye: Causes eye burns.
Skin: Causes skin burns. May be harmful if absorbed through the skin.
Ingestion: Harmful if swallowed. Causes gastrointestinal tract burns.
Inhalation: Harmful if inhaled. Causes chemical burns to the respiratory tract.
Chronic: No information found.

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: Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion: Do not induce vomiting. Get medical aid immediately. Call a poison control center.
Inhalation: Get medical aid immediately. Remove from exposure and move to fresh air immediately. If breathing is difficult, give oxygen. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
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.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
Flash Point: Not applicable.
Autoignition Temperature: Not applicable.
Explosion Limits, Lower:Not available.
Upper: Not available.
NFPA Rating: (estimated) Health: 3; 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. Wear a self contained breathing apparatus and appropriate personal protection. (See Exposure Controls, Personal Protection section). Avoid generating dusty conditions. Provide ventilation. Do not let this chemical enter the environment.

Section 7 - Handling and Storage


Handling: Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale. Use only in a chemical fume hood.
Storage: Store in a cool, dry place. Store in a tightly closed container. Corrosives area. Store under nitrogen.

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 only under a chemical fume hood.
Exposure Limits
Chemical Name ACGIH NIOSH OSHA - Final PELs
Barium hydroxide octahydrate 0.5 mg/m3 TWA (as Ba) (listed under Barium, soluble compounds). 0.5 mg/m3 TWA (as Ba, except barium sulfate) (listed under Barium, soluble compounds). 0.5 mg/m3 TWA (as Ba) (listed under Barium, soluble compounds).
Barium hydroxide anhydrous 0.5 mg/m3 TWA (as Ba) (listed under Barium, soluble compounds). 0.5 mg/m3 TWA (as Ba, except barium sulfate) (listed under Barium, soluble compounds). 0.5 mg/m3 TWA (as Ba) (listed under Barium, soluble compounds).

OSHA Vacated PELs: Barium hydroxide octahydrate: No OSHA Vacated PELs are listed for this chemical. Barium hydroxide anhydrous: 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: A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

Section 9 - Physical and Chemical Properties


Physical State: Solid
Appearance: white
Odor: odorless
pH: 12.5 (50 g/L aq. sol.)
Vapor Pressure: Negligible.
Vapor Density: Not available.
Evaporation Rate:Negligible.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point:78 deg C
Decomposition Temperature:> 95 deg C
Solubility: 56 g/L (15C)
Specific Gravity/Density:2.18
Molecular Formula:Ba(OH)2.8H2O
Molecular Weight:315.48

Section 10 - Stability and Reactivity


Chemical Stability: Absorbs carbon dioxide from the air.
Conditions to Avoid: Incompatible materials, dust generation, exposure to air.
Incompatibilities with Other Materials: Acids, aluminum.
Hazardous Decomposition Products: Barium oxide.
Hazardous Polymerization: Will not occur.

Section 11 - Toxicological Information


RTECS#:      
CAS# 12230-71-6 unlisted.      
CAS# 17194-00-2: CQ9200000
LD50/LC50:
Not available.

CAS# 17194-00-2:
     Oral, rat: LD50 = 308 mg/kg;
.

Carcinogenicity:
CAS# 12230-71-6: Not listed by ACGIH, IARC, NTP, or CA Prop 65.
CAS# 17194-00-2: 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 available.
Physical: No information available.
Other: Do not empty into drains.

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: CORROSIVE SOLIDS, TOXIC, N.O.S. CORROSIVE SOLIDS, TOXIC, N.O.S.
Hazard Class: 8 8(6.1)
UN Number: UN2923 UN2923
Packing Group: III III

Section 15 - Regulatory Information

US FEDERAL

TSCA
     CAS# 12230-71-6 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# 17194-00-2 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.
SARA Codes
     CAS # 12230-71-6: immediate, delayed.
     CAS # 17194-00-2: immediate, delayed.
Section 313
     This material contains Barium hydroxide octahydrate (listed as Barium compounds, n.o.s.), 98+%, (CAS# 12230-71-6) which is subject to the reporting requirements of Section 313 of SARA Title III and 40 CFR Part 373.
     This material contains Barium hydroxide anhydrous (listed as Barium compounds, n.o.s.), -%, (CAS# 17194-00-2) which is subject to the reporting requirements of Section 313 of SARA Title III and 40 CFR Part 373.
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# 12230-71-6 can be found on the following state right to know lists: California, (listed as Barium, soluble compounds), New Jersey, (listed as Barium compounds, n.o.s.), Pennsylvania, (listed as Barium compounds, n.o.s.), Minnesota, (listed as Barium, soluble compounds).
     CAS# 17194-00-2 can be found on the following state right to know lists: California, (listed as Barium, soluble compounds), New Jersey, (listed as Barium compounds, n.o.s.), Pennsylvania, (listed as Barium compounds, n.o.s.), Minnesota, (listed as Barium, soluble compounds).

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:
     C
Risk Phrases:

     R 20/22 Harmful by inhalation and if swallowed.
     R 34 Causes burns.

Safety Phrases:

     S 26 In case of contact with eyes, rinse immediately with plenty of
     water and seek medical advice.
     S 36/37/39 Wear suitable protective clothing, gloves and eye/face pr
     otection.
     S 45 In case of accident or if you feel unwell, seek medical advice
     immediately (show the label where possible).

WGK (Water Danger/Protection)

     CAS# 12230-71-6: 1
     CAS# 17194-00-2: 1
Canada - DSL/NDSL
     CAS# 17194-00-2 is listed on Canada's DSL List.
Canada - WHMIS
     This product has a WHMIS classification of D1B, E.
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
     CAS# 12230-71-6 (listed as Barium, soluble compounds) is listed on the Canadian Ingredient Disclosure List.
     CAS# 17194-00-2 (listed as Barium, soluble compounds) is listed on the Canadian Ingredient Disclosure List.

Section 16 - Additional Information

MSDS Creation Date: 9/14/1998
Revision #9 Date: 9/15/2008

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.