SIGMA-ALDRICH
MATERIAL SAFETY DATA SHEET
Date Printed: 03/30/2006
Date Updated: 02/05/2006
Version 1.3
Section 1 - Product and Company Information
Product Name 1,3-PROPANEDITHIOL, 99%
Product Number P50609
Brand ALDRICH
Company Sigma-Aldrich
Address 3050 Spruce Street
SAINT LOUIS MO 63103 US
Technical Phone: 800-325-5832
Fax: 800-325-5052
Emergency Phone: 314-776-6555
Section 2 - Composition/Information on Ingredient
Substance Name CAS # SARA 313
1,3-PROPANEDITHIOL 109-80-8 No
Formula C3H8S2
Synonyms 1,3-Dimercaptopropane * Dithiotrimethyleneglycol
* NDR-132 * 1,3-Propanedimercaptan * Trimethylene
dimercaptan * Trimethylenedithioglycol *
Trimethylenedithiol
RTECS Number: TZ2585500
Section 3 - Hazards Identification
EMERGENCY OVERVIEW
Irritant.
Irritating to eyes, respiratory system and skin.
Combustible.
For additional information on toxicity, please refer to Section 11.
Section 4 - First Aid Measures
ORAL EXPOSURE
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.
INHALATION EXPOSURE
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.
DERMAL EXPOSURE
In case of contact, immediately wash skin with soap and copious
amounts of water.
EYE EXPOSURE
In case of contact, immediately flush eyes with copious amounts
of water for at least 15 minutes.
Section 5 - Fire Fighting Measures
FLASH POINT
141.8 掳F 61 掳C Method: closed cup
AUTOIGNITION TEMP
N/A
FLAMMABILITY
N/A
EXTINGUISHING MEDIA
Suitable: For small (incipient) fires, use media such as
"alcohol" foam, dry chemical, or carbon dioxide. For large
fires, apply water from as far as possible. Use very large
quantities (flooding) of water applied as a mist or spray; solid
streams of water may be ineffective. Cool all affected
containers with flooding quantities of water.
FIREFIGHTING
Protective Equipment: Wear self-contained breathing apparatus
and protective clothing to prevent contact with skin and eyes.
Specific Hazard(s): Combustible liquid. Emits toxic fumes under
fire conditions.
Specific Method(s) of Fire Fighting: Use water spray to cool
fire-exposed containers.
EXPOSURE HAZARD(S)
Material: Irritant.
Section 6 - Accidental Release Measures
PROCEDURE TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area. Shut off all sources of ignition.
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear self-contained breathing apparatus, rubber boots, and heavy
rubber gloves.
METHODS FOR CLEANING UP
Cover with an activated carbon adsorbent, take up and place in
closed containers. Transport outdoors. Ventilate area and wash
spill site after material pickup is complete.
Section 7 - Handling and Storage
HANDLING
User Exposure: Do not breathe vapor. Do not get in eyes, on
skin, on clothing. Avoid prolonged or repeated exposure.
STORAGE
Suitable: Keep tightly closed. Keep away from heat and open
flame. Store in a cool dry place.
Section 8 - Exposure Controls / PPE
ENGINEERING CONTROLS
Use only in a chemical fume hood. Safety shower and eye bath.
PERSONAL PROTECTIVE EQUIPMENT
Other: Wear appropriate government approved respirator,
chemical-resistant gloves, safety goggles, other protective
ALDRICH - P50609 www.sigma-aldrich.com Page 2
clothing.
GENERAL HYGIENE MEASURES
Discard contaminated clothing and shoes. Wash thoroughly after
handling.
Section 9 - Physical/Chemical Properties
Appearance Color: Slightly yellow-green
Form: Clear liquid
Property Value At Temperature or Pressure
Molecular Weight 108.23 AMU
pH N/A
BP/BP Range 58.0 - 60.0 掳C 11 mmHg
MP/MP Range - 79.0 掳C
Freezing Point N/A
Vapor Pressure 5 mmHg 37.7 掳C
Vapor Density > 1 g/l
Saturated Vapor Conc. N/A
SG/Density 1.076 g/cm3
Bulk Density N/A
Odor Threshold N/A
Volatile% N/A
VOC Content N/A
Water Content N/A
Solvent Content N/A
Evaporation Rate N/A
Viscosity N/A
Surface Tension N/A
Partition Coefficient N/A
Decomposition Temp. N/A
Flash Point 141.8 掳F 61 掳C Method: closed cup
Explosion Limits N/A
Flammability N/A
Autoignition Temp N/A
Refractive Index 1.539
Optical Rotation N/A
Miscellaneous Data N/A
Solubility N/A
N/A = not available
Section 10 - Stability and Reactivity
STABILITY
Materials to Avoid: Bases, Oxidizing agents, Reducing agents,
Alkali metals.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide,
Sulfur oxides, Hydrogen sulfide gas.
Section 11 - Toxicological Information
ROUTE OF EXPOSURE
Skin Contact: Causes skin irritation.
Multiple Routes: May be harmful by inhalation, ingestion, or
skin absorption. Vapor or mist is irritating to the eyes, mucous
membranes, and upper respiratory tract.
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SIGNS AND SYMPTOMS OF EXPOSURE
Exposure can cause: Nausea, headache, and vomiting.
TOXICITY DATA
Intravenous
Cat
28 MG/KG
LD50
Remarks: Behavioral:Tremor. Behavioral:Convulsions or effect on
seizure threshold. Gastrointestinal:Changes in structure or
function of salivary glands.
Section 12 - Ecological Information
No data available.
Section 13 - Disposal Considerations
APPROPRIATE METHOD OF DISPOSAL OF SUBSTANCE OR PREPARATION
This combustible material may be burned in a chemical incinerator
equipped with an afterburner and scrubber. Observe all federal,
state, and local environmental regulations.
Section 14 - Transport Information
DOT
Proper Shipping Name: Mercaptans, liquid, flammable,
n.o.s.
UN#: 3336
Class: 3
Packing Group: Packing Group III
Hazard Label: Flammable liquid
PIH: Not PIH
IATA
Proper Shipping Name: Mercaptans, liquid, flammable,
n.o.s.
IATA UN Number: 3336
Hazard Class: 3
Packing Group: III
Section 15 - Regulatory Information
EU ADDITIONAL CLASSIFICATION
Symbol of Danger: Xi
Indication of Danger: Irritant.
R: 36/37/38
Risk Statements: Irritating to eyes, respiratory system and skin.
S: 26-36
Safety Statements: In case of contact with eyes, rinse
immediately with plenty of water and seek medical advice. Wear
suitable protective clothing.
US CLASSIFICATION AND LABEL TEXT
Indication of Danger: Irritant.
Risk Statements: Irritating to eyes, respiratory system and skin.
Safety Statements: In case of contact with eyes, rinse
immediately with plenty of water and seek medical advice. Wear
suitable protective clothing. Keep container tightly closed in a
cool well-ventilated place.
US Statements: Combustible.
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UNITED STATES REGULATORY INFORMATION
SARA LISTED: No
TSCA INVENTORY ITEM: Yes
CANADA REGULATORY INFORMATION
WHMIS Classification: This product has been classified in
accordance with the hazard criteria of the CPR, and the MSDS
contains all the information required by the CPR.
DSL: Yes
NDSL: No
Section 16 - Other Information
WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2006 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.
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