1. Product Identification
Synonyms: Hexadecanoic acid;
hexadecylic acid; cetylic acid;
1-Pentadecanecarboxylic acid
CAS No.: 57-10-3
Molecular Weight: 256.43
Chemical Formula: C16H32O2
S874
2. Composition/Information on
Ingredients
Ingredient CAS No Percent Hazardous
--------------------------------------- -------- -----------
Palmitic Acid 57-10-3 100% Yes
3. Hazards Identification
Emergency Overview
--------------------------
CAUTION! 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: 1 - Slight
Reactivity Rating: 0 - None
Contact Rating: 1 - Slight
Lab Protective Equip: GOGGLES; LAB COAT
Storage Color Code: Orange (General Storage)
---------------------------------------------
Potential Health Effects
----------------------------------
Information on the human health effects from exposure to this
substance is limited.
Inhalation:
May cause irritation to the respiratory tract.
Ingestion:
Large oral doses may cause stomach upset.
Skin Contact:
May cause irritation.
Eye Contact:
May cause irritation.
Chronic Exposure:
No information found.
Aggravation of Pre-existing Conditions:
No information found.
4. First Aid Measures
Inhalation:
Remove to fresh air. If not breathing, give artificial
respiration.
If breathing is difficult, give oxygen. Get medical attention if
irritation persists.
Ingestion:
If large amounts were swallowed, give water to drink and get
medical advice.
Skin Contact:
Wash skin with plenty of water for at least 15 minutes.
If irritation develops, get medical attention.
Eye Contact:
Wash thoroughly with running water. Get medical advice if
irritation develops.
5. Fire Fighting Measures
Fire:
As with most organic solids, fire is possible at elevated
temperatures or by contact with an ignition source.
Explosion:
Fine dust dispersed in air in sufficient concentrations, and in
the
presence of an ignition source is a potential dust explosion hazard.
Fire Extinguishing Media:
Water spray, dry chemical, alcohol foam, or carbon dioxide.
Special Information:
In the event of a fire, wear full protective clothing and
NIOSH-approved self-contained breathing apparatus with full
facepiece operated in the pressure demand or other positive
pressure mode.
6. Accidental Release Measures
Ventilate area of leak or spill.
Wear appropriate personal
protective equipment as specified in Section 8. Spills: Sweep up
and containerize for reclamation or disposal. Vacuuming or wet
sweeping may be used to avoid dust dispersal.
7. Handling and Storage
Keep in a tightly closed container, stored
in a cool, dry, ventilated
area. Protect against physical damage. Isolate from incompatible
substances. 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:
- OSHA Permissible Exposure Limit (PEL):
15 mg/m3 total dust, 5 mg/m3 respirable fraction for nuisance dusts.
- ACGIH Threshold Limit Value (TLV):
10 mg/m3 total dust containing no asbestos and < 1% crystalline
silica for Particulates Not Otherwise Classified (PNOC).
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):
If the exposure limit is exceeded and engineering controls are not
feasible, a half facepiece particulate respirator (NIOSH type N95
or better filters) may be worn for up to ten times the exposure
limit
or the maximum use concentration specified by the appropriate
regulatory agency or respirator supplier, whichever is lowest. A
full-face piece particulate respirator (NIOSH type N100 filters)
may be worn up to 50 times the exposure limit, or the maximum use
concentration specified by the appropriate regulatory agency, or
respirator supplier, whichever is lowest. If oil particles (e.g.
lubricants,
cutting fluids, glycerine, etc.) are present, use a NIOSH type R or
P
filter. For emergencies or instances where the exposure levels are
not
known, use a full-facepiece positive-pressure, air-supplied
respirator.
WARNING: Air-purifying respirators do not protect workers in
oxygen-deficient atmospheres.
Skin Protection:
Wear protective gloves and clean body-covering clothing.
Eye Protection:
Use chemical safety goggles. Maintain eye wash fountain and
quick-drench facilities in work area.
9. Physical and Chemical Properties
Appearance:
Colorless crystals.
Odor:
Slight characteristic odor.
Solubility:
Insoluble in water.
Specific Gravity:
0.853 @ 62C/4C
pH:
No information found.
% Volatiles by volume @ 21C (70F):
No information found.
Boiling Point:
215C (419F) @ 15 mm Hg
Melting Point:
63C (145F)
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:
Carbon dioxide and carbon monoxide may form when heated to
decomposition.
Hazardous Polymerization:
Will not occur.
Incompatibilities:
Strong oxidizers.
Conditions to Avoid:
Incompatibles.
11. Toxicological Information
Oral rat LD50: > 10 g/kg. Investigated as a tumorigen.
--------\Cancer Lists\-----------------------------------------\
---NTP Carcinogen---
Ingredient Known Anticipated IARC Category
----------------------- ----- ----------- -------------
Palmitic Acid (57-10-3) 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
managed in an appropriate and approved waste disposal 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
Not regulated.
15. Regulatory Information
--------\Chemical Inventory Status - Part 1\--------------------
Ingredient TSCA EC Japan Australia
------------------------------------ ---- --- ----- ---------
Palmitic Acid (57-10-3) Yes Yes Yes Yes
--------\Chemical Inventory Status - Part 2\-----------------
--Canada--
Ingredient Korea DSL NDSL Phil.
------------------------------------ ----- --- ---- ----
Palmitic Acid (57-10-3) Yes Yes No Yes
--------\Federal, State & International Regulations - Part 1\------
-SARA 302- ------SARA 313------
Ingredient RQ TPQ List Chemical Catg.
------------------------------- --- ----- ---- --------------
Palmitic Acid (57-10-3) No No No No
--------\Federal, State & International Regulations - Part 2\------
-RCRA- -TSCA-
Ingredient CERCLA 261.33 8(d)
-------------------------------- ------ ------ ------
Palmitic Acid (57-10-3) 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: No (Pure / Solid)
Australian Hazchem Code: No information found.
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: 1 Reactivity: 0
Label Hazard Warning:
CAUTION! MAY CAUSE IRRITATION TO SKIN, EYES, AND RESPIRATORY TRACT.
Label Precautions:
Keep container closed.
Use with adequate ventilation.
Wash thoroughly after handling.
Avoid contact with eyes, skin and clothing.
Avoid breathing dust.
Label First Aid:
In case of contact, immediately flush skin or eyes with plenty of water
for at
least 15 minutes. Call a physician if irritation develops or persists.
If inhaled,
remove to fresh air. Get medical attention for any breathing difficulty.
Product Use:
Laboratory Reagent.
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