|
Section 1 - Chemical Product and Company Identification |
MSDS Name: Sodium hydrogen selenite, p.a.
Catalog Numbers:
AC218200000, AC218200100, AC218200500
Synonyms:
Sodium hydroselenite: sodium biselenite
Company Identification:
Acros Organics N.V.
One Reagent Lane
Fair Lawn, NJ 07410
For information in North America, call: 800-ACROS-01
For emergencies in the US, call CHEMTREC: 800-424-9300
|
Section 2 - Composition, Information on Ingredients
|
| CAS# |
Chemical Name |
Percent |
EINECS/ELINCS |
| 7782-82-3 |
SODIUM HYDROGEN SELENITE |
100% | 231-966-3 |
|
Section 3 - Hazards Identification
|
EMERGENCY OVERVIEW
Appearance: off-white solid.
Caution! May be absorbed through intact skin. May
cause eye and skin irritation. May cause respiratory and digestive
tract irritation. May be harmful if swallowed. Hygroscopic (absorbs
moisture from the air). The toxicological properties of this material
have not been fully investigated.
Target Organs: None known.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. May be absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. The toxicological
properties of this substance have not been fully investigated. May be
harmful if swallowed.
Inhalation:
May cause respiratory tract irritation. The toxicological properties
of this substance have not been fully investigated. Effects of
inhalation may be delayed.
Chronic:
Chronic exposure to selenium may cause central nervous system
effects, digestive tract disturbances, pallor, garlic breath,
|
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:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical
aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh
air immediately. If breathing is difficult, give oxygen.
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. Substance is noncombustible.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, or water spray.
For large fires, use water spray, fog or regular foam.
Flash Point: Not available.
Autoignition Temperature: Not available.
Explosion Limits, Lower:Not available.
Upper: Not available.
NFPA Rating:
Not published.
|
Section 6 - Accidental Release Measures
|
General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
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
|
Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Avoid contact with eyes, skin, and clothing. Avoid ingestion and
inhalation. Wash clothing before reuse. Discard contaminated shoes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
|
Section 8 - Exposure Controls, Personal Protection
|
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits
| Chemical Name |
ACGIH |
NIOSH |
OSHA - Final PELs |
| SODIUM HYDROGEN SELENITE
|
0.2 mg/m3 TWA (as Se) (listed under Selenium compounds).
|
0.2 mg/m3 TWA (as Se, except Selenium hexafluoride) (listed under Selenium compounds).
|
0.2 mg/m3 TWA (as Se) (listed under Selenium compounds).
|
OSHA Vacated PELs:
SODIUM HYDROGEN SELENITE:
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: off-white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Vapor Density: Not available.
Evaporation Rate:Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point:Not available.
Decomposition Temperature:Not available.
Solubility: soluble in water
Specific Gravity/Density:Not available.
Molecular Formula:HNaO3Se
Molecular Weight:150.96
|
Section 10 - Stability and Reactivity
|
Chemical Stability:
Stable.
Conditions to Avoid:
Incompatible materials, excess heat, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong oxidizing agents - strong acids.
Hazardous Decomposition Products:
Selenium/selenium oxides.
Hazardous Polymerization: Will not occur.
|
Section 11 - Toxicological Information
|
RTECS#:
CAS# 7782-82-3:
VS7500000
LD50/LC50:
CAS# 7782-82-3:
Oral, rabbit: LD50
= 8.6 mg/kg;
Oral, rat: LD50 = 2.5
mg/kg;
.
Carcinogenicity:
CAS# 7782-82-3:
Not listed by ACGIH, IARC, NTP, or CA Prop 65.
Epidemiology:
No information available.
Teratogenicity:
No information available.
Reproductive Effects:
No information available.
Mutagenicity:
EPA GENETOX PROGRAM 1988, Positive: B subtilis rec assay
Neurotoxicity:
No information available.
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: |
SELENITES |
SELENITES |
| Hazard Class: |
6.1 |
6.1 |
| UN Number: |
UN2630 |
UN2630 |
| Packing Group: |
I |
I |
|
Section 15 - Regulatory Information
|
US FEDERAL
TSCA
CAS# 7782-82-3 is not listed on the TSCA inventory.
It is for research and development use only.
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
CAS# 7782-82-3: 100 lb final RQ; 45.4 kg final RQ
SARA Section 302 Extremely Hazardous Substances
None of the chemicals in this product have a TPQ.
Section 313
This material contains SODIUM
HYDROGEN SELENITE (listed as Selenium compounds), 100%, (CAS#
7782-82-3) which is subject to the reporting requirements of Section
313 of SARA Title III and 40 CFR Part 373.
Clean Air Act:
CAS# 7782-82-3 (listed as Selenium compounds) is listed as a hazardous
air pollutant (HAP).
This material does not contain any Class 1 Ozone depletors.
This material does not contain any Class 2 Ozone depletors.
Clean Water Act:
CAS# 7782-82-3 is listed as a Hazardous Substance under the CWA.
None of the chemicals in this
product are listed as Priority Pollutants under the CWA.
CAS# 7782-82-3 is listed as a Toxic Pollutant under the Clean Water
Act.
OSHA:
None of the chemicals in this product
are considered highly hazardous by OSHA.
STATE
CAS# 7782-82-3 can be found on the
following state right to know lists: California, (listed as Selenium
compounds), New Jersey, Pennsylvania, 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:
T
Risk Phrases:
R 23/25 Toxic by inhalation and if swallowed.
R 33 Danger of cumulative effects.
Safety Phrases:
S 20/21 When using do not eat, drink or smoke.
S 45 In case of accident or if you feel unwell, seek medical advice
immediately (show the label where possible).
S 28A After contact with skin, wash immediately with plenty of water
.
WGK (Water Danger/Protection)
CAS# 7782-82-3: No information available.
Canada - DSL/NDSL
None of the chemicals in this product are listed on the DSL or NDSL list.
Canada - WHMIS
not available.
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# 7782-82-3 (listed as Selenium compounds) is listed on the Canadian Ingredient Disclosure List.
|
Section 16 - Additional Information
|
MSDS Creation Date: 9/02/1997
Revision #3 Date: 10/03/2005
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.
|
|