SODIUM NITRATE
MSDS Number: S4442 --- Effective Date: 11/17/99
1. Product Identification
Synonyms: Nitratine; nitric acid, sodium salt; sodium
saltpeter; sodium nitrate, crystal
CAS No.: 7631-99-4
Molecular Weight: 84.99
Chemical Formula: NaNO3
Product Codes:
J.T. Baker: 3770, 3771, 4501
Mallinckrodt:
4484, 7709, 7793, 7796, 7804, 7808, 7811
2. Composition/Information on Ingredients
Ingredient CAS No Percent Hazardous
--------------------------------------- ------------ ------- ---------
Sodium Nitrate 7631-99-4 99 - 100% Yes
3. Hazards Identification
Emergency Overview
--------------------------
DANGER! STRONG OXIDIZER. CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE.
HARMFUL IF SWALLOWED OR INHALED. MAY CAUSE IRRITATION TO SKIN, EYES, AND
RESPIRATORY TRACT.
J.T. Baker SAF-T-DATA(tm)
Ratings (Provided here for your convenience)
-----------------------------------------------------------------------------------------------------------
Health Rating: 1 - Slight
Flammability Rating: 0 - None
Reactivity
Rating: 3 - Severe (Oxidizer)
Contact Rating: 1 - Slight
Lab
Protective Equip: GOGGLES; LAB COAT
Storage Color Code: Yellow (Reactive)
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Potential Health Effects
----------------------------------
Inhalation:
Inhalation of dust irritates the respiratory
tract. Symptoms may include coughing, shortness of breath.
Ingestion:
May cause gastroenteritis and abdominal pains. Other
symptoms may include dizziness, bloody diarrhea, convulsions, and collapse.
Purging and diuresis can be expected. Small repeated doses may cause headache
and mental impairment. Rare cases of nitrates being converted to the more
toxic nitrites have been reported, mostly with infants.
Skin
Contact:
May cause irritation, symptoms including redness, itching,
and pain.
Eye Contact:
May cause irritation, symptoms including
redness, itching, and pain.
Chronic Exposure:
Under some
circumstances methemoglobinemia occurs in individuals when the nitrate is
converted by bacteria in the stomach to nitrite. Nausea, vomiting, dizziness,
rapid heart beat, irregular breathing, convulsions, coma, and death can occur
should this conversion take place.
Aggravation of Pre-existing
Conditions:
Workers with a history of kidney or lung disease may be
more susceptible to the effects of this substance.
4. First Aid Measures
Inhalation:
Remove to fresh air. Get medical attention
for any breathing difficulty.
Ingestion:
Induce vomiting
immediately as directed by medical personnel. Never give anything by mouth to
an unconscious person. Get medical attention.
Skin Contact:
Remove any contaminated clothing. Wipe off excess from skin. Wash skin
with soap and water for at least 15 minutes. Get medical attention if
irritation develops or persists.
Eye Contact:
Immediately flush
eyes with plenty of water for at least 15 minutes, lifting lower and upper
eyelids occasionally. Get medical attention immediately.
5. Fire Fighting Measures
Fire:
Not combustible, but substance is a strong
oxidizer and its heat of reaction with reducing agents or combustibles may
cause ignition.
Explosion:
Explosive with shock, heat or
friction. Sodium Nitrate decomposes explosively when heated > 538C (1000F).
Sensitive to mechanical impact.
Fire Extinguishing Media:
Use
any means suitable for extinguishing surrounding fire. Water spray may be used
to keep fire exposed containers cool.
Special Information:
Wear
full protective clothing and breathing equipment for high-intensity fire or
potential explosion conditions. This oxidizing material can increase the
flammability of adjacent combustible materials.
6. Accidental Release Measures
Remove all sources of ignition. Ventilate area of leak or spill.
Wear appropriate personal protective equipment as specified in Section 8.
Spills: Clean up spills in a manner that does not disperse dust into the air.
Use non-sparking tools and equipment. Reduce airborne dust and prevent
scattering by moistening with water. Pick up spill for recovery or disposal
and place in a closed container. Small amounts of residue may be flushed to
sewer with plenty of water.
7. Handling and Storage
Keep in a tightly closed container, stored in a cool, dry,
ventilated area. Protect against physical damage and moisture. Isolate from
any source of heat or ignition. Avoid storage on wood floors. Separate from
incompatibles, combustibles, organic or other readily oxidizable materials.
Containers of this material may be hazardous when empty since they retain
product residues (dust, solids); observe all warnings and precautions listed
for the product.
8. Exposure Controls/Personal Protection
Airborne Exposure Limits:
None established.
Ventilation System:
A system of local and/or general exhaust is
recommended to keep employee exposures as low as possible. Local exhaust
ventilation is generally preferred because it can control the emissions of the
contaminant at its source, preventing dispersion of it into the general work
area. Please refer to the ACGIH document, Industrial Ventilation, A Manual
of Recommended Practices, most recent edition, for details.
Personal Respirators (NIOSH Approved):
For conditions of use
where exposure to the dust or mist is apparent, a half-face dust/mist
respirator may be worn. For emergencies or instances where the exposure levels
are not known, use a full-face positive-pressure, air-supplied respirator.
WARNING: Air-purifying respirators do not protect workers in oxygen-deficient
atmospheres.
Skin Protection:
Wear impervious protective
clothing, including boots, gloves, lab coat, apron or coveralls, as
appropriate, to prevent skin contact.
Eye Protection:
Use
chemical safety goggles and/or full face shield where dusting or splashing of
solutions is possible. Maintain eye wash fountain and quick-drench facilities
in work area.
9. Physical and Chemical Properties
Appearance:
White crystals.
Odor:
Odorless.
Solubility:
81.5 g/100 g water @ 15C (59F)
Specific Gravity:
2.26
pH:
Aqueous solution is
neutral.
% Volatiles by volume @ 21C (70F):
0
Boiling
Point:
380C (716F)
Melting Point:
308C (586F)
Vapor Density (Air=1):
No information found.
Vapor
Pressure (mm Hg):
No information found.
Evaporation Rate
(BuAc=1):
No information found.
10. Stability and Reactivity
Stability:
Stable under ordinary conditions of use and
storage.
Hazardous Decomposition Products:
Emits nitrous oxides
when heated to decomposition.
Hazardous Polymerization:
Will
not occur.
Incompatibilities:
Reacts with acids to emit toxic
fumes of nitrogen dioxide. Contact with the following may cause an explosion:
barium rhodanide, boron phosphide, cyanides, sodium thiosulfate, sodium
hypophosphite, sulfur plus charcoal, powdered aluminum and aluminum oxide.
Fibrous organic material such as jute, wood, and similar cellulosic materials
can become highly combustible by nitrate impregnation.
Conditions to
Avoid:
Heat, flame, ignition sources, shock, friction, incompatibles.
11. Toxicological Information
Oral rat LD50: 1267 mg/kg. Investigated as a tumorigen,
mutagen, reproductive effector.
--------\Cancer Lists\------------------------------------------------------
---NTP Carcinogen---
Ingredient Known Anticipated IARC Category
------------------------------------ ----- ----------- -------------
Sodium Nitrate (7631-99-4) No No None
12. Ecological Information
Environmental Fate:
No information found.
Environmental Toxicity:
No information found.
13. Disposal Considerations
Whatever cannot be saved for recovery or recycling should be
handled as hazardous waste and sent to a RCRA approved waste facility.
Processing, use or contamination of this product may change the waste
management options. State and local disposal regulations may differ from
federal disposal regulations. Dispose of container and unused contents in
accordance with federal, state and local requirements.
14. Transport Information
Domestic (Land, D.O.T.)
-----------------------
Proper Shipping Name: SODIUM NITRATE
Hazard Class: 5.1
UN/NA: UN1498
Packing Group: III
Information reported
for product/size: 12X25LB
International (Water, I.M.O.)
-----------------------------
Proper Shipping Name: SODIUM
NITRATE
Hazard Class: 5.1
UN/NA: UN1498
Packing
Group: III
Information reported for product/size: 12X25LB
15. Regulatory Information
--------\Chemical Inventory Status - Part 1\---------------------------------
Ingredient TSCA EC Japan Australia
----------------------------------------------- ---- --- ----- ---------
Sodium Nitrate (7631-99-4) Yes Yes Yes Yes
--------\Chemical Inventory Status - Part 2\---------------------------------
--Canada--
Ingredient Korea DSL NDSL Phil.
----------------------------------------------- ----- --- ---- -----
Sodium Nitrate (7631-99-4) Yes Yes No Yes
--------\Federal, State & International Regulations - Part 1\----------------
-SARA 302- ------SARA 313------
Ingredient RQ TPQ List Chemical Catg.
----------------------------------------- --- ----- ---- --------------
Sodium Nitrate (7631-99-4) No No No Nitrate Cmpd
--------\Federal, State & International Regulations - Part 2\----------------
-RCRA- -TSCA-
Ingredient CERCLA 261.33 8(d)
----------------------------------------- ------ ------ ------
Sodium Nitrate (7631-99-4) No No No
Chemical Weapons Convention: No TSCA 12(b): No CDTA: No
SARA 311/312: Acute: Yes Chronic: No Fire: No Pressure: No
Reactivity: Yes (Pure / Solid)
Australian Hazchem Code: 1[T]
Poison
Schedule: No information found.
WHMIS:
This MSDS has been
prepared according to the hazard criteria of the Controlled Products
Regulations (CPR) and the MSDS contains all of the information required by the
CPR.
16. Other Information
NFPA Ratings: Health: 1 Flammability: 0
Reactivity: 1 Other: Oxidizer
Label Hazard Warning:
DANGER! STRONG OXIDIZER. CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE.
HARMFUL IF SWALLOWED OR INHALED. MAY CAUSE IRRITATION TO SKIN, EYES, AND
RESPIRATORY TRACT.
Label Precautions:
Keep from contact with
clothing and other combustible materials.
Store in a tightly closed
container.
Remove and wash contaminated clothing promptly.
Avoid
breathing dust.
Avoid contact with eyes, skin and clothing.
Wash
thoroughly after handling.
Label First Aid:
If swallowed,
induce vomiting immediately as directed by medical personnel. Never give
anything by mouth to an unconscious person. If inhaled, remove to fresh air.
If not breathing, give artificial respiration. If breathing is difficult, give
oxygen. In case of contact, immediately flush eyes or skin with plenty of
water for at least 15 minutes. In all cases, get medical attention.
Product Use:
Laboratory Reagent.
Revision
Information:
No changes.
Disclaimer:
************************************************************************************************
Mallinckrodt Baker, Inc. provides the information contained herein in
good faith but makes no representation as to its comprehensiveness or
accuracy. This document is intended only as a guide to the appropriate
precautionary handling of the material by a properly trained person using this
product. Individuals receiving the information must exercise their independent
judgment in determining its appropriateness for a particular purpose.
MALLINCKRODT BAKER, INC. MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE
INFORMATION SET FORTH HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS.
ACCORDINGLY, MALLINCKRODT BAKER, INC. WILL NOT BE RESPONSIBLE FOR DAMAGES
RESULTING FROM USE OF OR RELIANCE UPON THIS INFORMATION.
************************************************************************************************
Prepared by: Strategic Services Division
Phone Number: (314)
539-1600 (U.S.A.)