MSDS Name: Barium Hydroxide Octahydrate, crystalline, certified ACS
Catalog Numbers: AC4E14, S71288, S71289, B46-250, B46-500, S75049
Synonyms: None.
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 4 - First Aid Measures

Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid immediately.
Skin: In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid immediately. Wash clothing before reuse.
Ingestion: If swallowed, do NOT induce vomiting. Get medical aid immediately. If victim is fully conscious, give a cupful of water. Never give anything by mouth to an unconscious person.
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.
Antidote: The use of d-Penicillamine as a chelating agent should be determined by qualified medical personnel.

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. Decomposes at high temperatures, resulting in toxic and corrosive products.
Extinguishing Media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire.

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.

Section 7 - Handling and Storage

Handling: Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Do not breathe dust. Use only with adequate ventilation.
Storage: Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from strong acids. Corrosives area.

Section 8 - Exposure Controls, Personal Protection

Engineering Controls: Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Exposure Limits

Chemical Name	ACGIH	NIOSH	OSHA - Final PELs
Barium hydroxide octahydrate	none listed	none listed	none listed
Barium hydroxide anhydrous	none listed	none listed	none listed

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 chemical goggles.
Skin: Wear appropriate protective gloves to prevent skin exposure.
Clothing: Wear appropriate protective clothing to minimize contact with skin.
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 a respirator's use.

Section 9 - Physical and Chemical Properties

Physical State: Solid
Appearance: transparent
Odor: odorless
pH: Alkaline.
Vapor Pressure: Negligible.
Vapor Density: 10.9
Evaporation Rate:Negligible.
Viscosity: Not available.
Boiling Point: 780 deg C
Freezing/Melting Point:78 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Decomposition Temperature:Not available.
NFPA Rating: (estimated) Health: 3; Flammability: 0; Reactivity: 0
Explosion Limits, Lower:Not available.
Upper: Not available.
Solubility: Moderately in water (5.6 g/100 ml)
Specific Gravity/Density:2.18
Molecular Formula:Ba(OH)2.8H2O
Molecular Weight:315.45

Section 10 - Stability and Reactivity

Chemical Stability: Stable under normal temperatures and pressures.
Conditions to Avoid: Dust generation, excess heat.
Incompatibilities with Other Materials: Strong oxidizing agents, metals, acids.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, barium oxide.
Hazardous Polymerization: Has not been reported.

Section 11 - Toxicological Information

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

Carcinogenicity:
CAS# 12230-71-6:
ACGIH: A4 - Not Classifiable as a Human Carcinogen (listed as Barium). CAS# 17194-00-2:
ACGIH: A4 - Not Classifiable as a Human Carcinogen (listed as Barium).
Epidemiology: No information available.
Teratogenicity: No information available.
Reproductive Effects: No information available.
Neurotoxicity: No information available.
Mutagenicity: No information available.
Other Studies: No data available.

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	IATA	RID/ADR	IMO	Canada TDG
Shipping Name:	CORROSIVE SOLID, BASIC,INORGANIC,N.O.S. (BARIUM HYDROXIDE)				CORROSIVE SOLID NOS (BARIUM HYDROXIDE)
Hazard Class:	8				8(9.2)
UN Number:	UN3262				UN1759
Packing Group:	II				II

Section 15 - Regulatory Information

US FEDERAL

TSCA
CAS# 12230-71-6 is not on the TSCA Inventory. It is a hydrate and exempt from TSCA Inventory requirements (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.
SARA

Section 302 (RQ)
None of the chemicals in this material have an RQ.
Section 302 (TPQ)
None of the chemicals in this product have a TPQ.
SARA Codes
CAS # 12230-71-6: acute, chronic. CAS # 17194-00-2: acute, chronic.
Section 313
This material contains Barium hydroxide octahydrate (listed as ** undefined **), 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 chemical is not at a high enough concentration to be 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# 12230-71-6 is not present on state lists from CA, PA, MN, MA, FL, or NJ.
CAS# 17194-00-2 is not present on state lists from CA, PA, MN, MA, FL, or NJ.
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:
XN C
Risk Phrases:
R 20/22 Harmful by inhalation and if swallowed.
R 34 Causes burns.

Safety Phrases:
S 28A After contact with skin, wash immediately with
plenty of water.

WGK (Water Danger/Protection)
CAS# 12230-71-6: 1
CAS# 17194-00-2: 1
Canada
Canada
CAS# 17194-00-2 is listed on Canada's DSL List. CAS# 17194-00-2 is listed on Canada's DSL List.

This product has a WHMIS classification of E, D1B.
CAS# 12230-71-6 is not listed on Canada's Ingredient Disclosure List.
CAS# 17194-00-2 is not listed on Canada's Ingredient Disclosure List.
Exposure Limits
CAS# 12230-71-6 (listed as ** undefined **): OEL-AUSTRALIA:TWA 0.5 mg/
m3 OEL-AUSTRIA:TWA 0.5 mg/m3 OEL-BELGIUM:TWA 0.5 mg/m3 OEL-DENMARK:
TWA 0.5 mg/m3 OEL-FINLAND:TWA 0.5 mg/m3 OEL-GERMANY:TWA 0.5 mg/m3 (t
otal dust) OEL-HUNGARY:STEL 0.5 mg/m3 OEL-THE NETHERLANDS:TWA 0.5 mg
/m3 OEL-THE PHILIPPINES:TWA 0.5 mg/m3 OEL-POLAND:TWA 0.5 mg/m3;STEL
1.5 mg/m3 OEL-SWITZERLAND:TWA 0.5 mg/m3;STEL 1 mg/m3 OEL-TURKEY:TWA
0.5 mg/m3 OEL-UNITED KINGDOM:TWA 0.5 mg/m3 OEL IN BULGARIA, COLOMBIA
, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNA
M check ACGI TLV
CAS# 17194-00-2 (listed as ** undefined **): OEL-AUSTRALIA:TWA 0.5 mg/
m3 OEL-AUSTRIA:TWA 0.5 mg/m3 OEL-BELGIUM:TWA 0.5 mg/m3 OEL-DENMARK:
TWA 0.5 mg/m3 OEL-FINLAND:TWA 0.5 mg/m3 OEL-GERMANY:TWA 0.5 mg/m3 (t
otal dust) OEL-HUNGARY:STEL 0.5 mg/m3 OEL-THE NETHERLANDS:TWA 0.5 mg
/m3 OEL-THE PHILIPPINES:TWA 0.5 mg/m3 OEL-POLAND:TWA 0.5 mg/m3;STEL
1.5 mg/m3 OEL-SWITZERLAND:TWA 0.5 mg/m3;STEL 1 mg/m3 OEL-TURKEY:TWA
0.5 mg/m3 OEL-UNITED KINGDOM:TWA 0.5 mg/m3 OEL IN BULGARIA, COLOMBIA
, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNA
M check ACGI TLV

Section 16 - Additional Information

MSDS Creation Date: 9/14/1998
Revision #2 Date: 10/05/2001
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.