Material Safety Data Sheet
Potassium nitrite
ACC# 19480
Section 1 - Chemical Product and Company Identification |
MSDS Name: Potassium nitrite
Catalog Numbers:
AC222700000, AC222700010, AC222702500, AC423060000, AC423060050,
AC423065000, P267-250, P267-500
Synonyms:
Nitrous acid, potassium salt.
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 |
7758-09-0 |
Potassium nitrite |
96+ | 231-832-4 |
Section 3 - Hazards Identification
|
EMERGENCY OVERVIEW
Appearance: white to pale yellow crystals.
Danger! Toxic if swallowed. Strong oxidizer.
Contact with other material may cause a fire. Very toxic to aquatic
organisms.
Target Organs: Blood, respiratory system,
gastrointestinal system, eyes, ears.
Potential Health Effects
Eye:
Causes eye irritation. Causes redness and pain.
Skin:
Causes skin irritation. Causes redness and pain. May be harmful if
absorbed through the skin.
Ingestion:
Poison by ingestion. May cause headache. May cause nausea and
vomiting. Overexposure may cause methemoglobinemia. Ingestion may
cause a decrease in blood pressure, rapid pulse and visual
disturbances.
Inhalation:
Causes respiratory tract irritation. May cause effects similar to
those described for ingestion.
Chronic:
Absorption into the body leads to the formation of methemoglobin
which in sufficient concentrations causes cyanosis (bluish
discoloration of skin due to deficient oxygenation of the blood).
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. Strong oxidizer. Contact with other material may
cause fire. Containers may explode in the heat of a fire. This
material in sufficient quantity and reduced particle size is capable
of creating a dust explosion.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam. Use
flooding quantities of water as spray. Cool containers with flooding
quantities of water until well after fire is out.
Flash Point: Not applicable.
Autoignition Temperature: 510 deg C ( 950.00 deg F)
Explosion Limits, Lower:Not available.
Upper: Not available.
NFPA Rating:
(estimated) Health: 2; Flammability: 1; Instability: 3; Special Hazard: OX
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.
Flush spill area with water. Do not use combustible materials such as
paper towels to clean up spill.
Section 7 - Handling and Storage
|
Handling:
Use with adequate ventilation. Minimize dust generation and
accumulation. Do not get on skin or in eyes. Use only in a chemical
fume hood. Keep from contact with clothing and other combustible
materials. Do not breathe dust.
Storage:
Do not store near combustible materials. Store in a tightly closed
container. 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 only under a
chemical fume hood.
Exposure Limits
Chemical Name |
ACGIH |
NIOSH |
OSHA - Final PELs |
Potassium nitrite
|
none listed
|
none listed
|
none listed
|
OSHA Vacated PELs:
Potassium nitrite:
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 gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize
contact with skin.
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: Crystals
Appearance: white to pale yellow
Odor: odorless
pH: 7-10 (5% aq.sol.)
Vapor Pressure: Not applicable.
Vapor Density: Not available.
Evaporation Rate:Not applicable.
Viscosity: Not applicable.
Boiling Point: Not applicable.
Freezing/Melting Point:387 deg C
Decomposition Temperature:> 350 deg C
Solubility: 3000 g/l water (20°C)
Specific Gravity/Density:1.9150
Molecular Formula:KNO2
Molecular Weight:85.10
Section 10 - Stability and Reactivity
|
Chemical Stability:
Hygroscopic: absorbs moisture or water from the air.
Conditions to Avoid:
Incompatible materials, excess heat, combustible materials, organic
materials, exposure to moist air or water, temperatures above 300°C.
Incompatibilities with Other Materials:
Acids, aluminum, amines, chlorates, finely powdered metals,
hydrazine, permanganates, boron, amides, hypophosphites, sulfites,
carbon, ammonium salts, iodides, mercury salts, cyanides.
Hazardous Decomposition Products:
Nitrogen oxides.
Hazardous Polymerization: Has not been reported.
Section 11 - Toxicological Information
|
RTECS#:
CAS# 7758-09-0:
TT3750000
LD50/LC50:
CAS# 7758-09-0:
Inhalation, mouse:
LC50 = 85 gm/m3/2H;
Oral, rabbit:
LD50 = 200 mg/kg;
.
Carcinogenicity:
CAS# 7758-09-0:
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
|
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: |
POTASSIUM NITRITE |
POTASSIUM NITRITE |
Hazard Class: |
5.1 |
5.1 |
UN Number: |
UN1488 |
UN1488 |
Packing Group: |
II |
II |
Section 15 - Regulatory Information
|
US FEDERAL
TSCA
CAS# 7758-09-0 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 # 7758-09-0: immediate, fire, reactive.
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# 7758-09-0 can be found on the
following state right to know lists: New Jersey.
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 O N
Risk Phrases:
R 25 Toxic if swallowed.
R 8 Contact with combustible material may cause fire.
R 50 Very toxic to aquatic organisms.
Safety Phrases:
S 45 In case of accident or if you feel unwell, seek medical advice
immediately (show the label where possible).
S 61 Avoid release to the environment. Refer to special instructions
/safety data sheets.
WGK (Water Danger/Protection)
CAS# 7758-09-0: 2
Canada - DSL/NDSL
CAS# 7758-09-0 is listed on Canada's DSL List.
Canada - WHMIS
This product has a WHMIS classification of C, D1B, D2B.
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# 7758-09-0 is listed on the Canadian Ingredient Disclosure List.
Section 16 - Additional Information
|
MSDS Creation Date: 4/24/1998
Revision #9 Date: 2/15/2008
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.