SIGMA-ALDRICH
MATERIAL SAFETY DATA SHEET
Date Printed: 09/18/2006
Date Updated: 02/04/2006
Version 1.8
Section 1 - Product and Company Information
Product Name P-TOLUENESULFONIC ACID MONOHYDRATE,
REAGENT GRADE, 98%
Product Number 161993
Brand SIAL
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
P-TOLUENESULFONIC ACID MONOHYDRATE 6192-52-5 No
Ingredient Name CAS # Percent SARA 313
SULFURIC ACID, >= 51% 7664-93-9 <= 1 No
Formula C7H8O3S.H2O
Section 3 - Hazards Identification
EMERGENCY OVERVIEW
Corrosive.
Causes burns.
HMIS RATING
HEALTH: 3
FLAMMABILITY: 0
REACTIVITY: 1
NFPA RATING
HEALTH: 3
FLAMMABILITY: 0
REACTIVITY: 1
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 immediately.
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 skin contact, flush with copious amounts of water for
at least 15 minutes. Remove contaminated clothing and shoes.
Call a physician.
EYE EXPOSURE
In case of contact with eyes, flush with copious amounts of
water for at least 15 minutes. Assure adequate flushing by
separating the eyelids with fingers. Call a physician.
Section 5 - Fire Fighting Measures
AUTOIGNITION TEMP
N/A
FLAMMABILITY
N/A
EXTINGUISHING MEDIA
Suitable: Water spray. Carbon dioxide, dry chemical powder, or
appropriate foam.
FIREFIGHTING
Protective Equipment: Wear self-contained breathing apparatus
and protective clothing to prevent contact with skin and eyes.
Specific Hazard(s): Emits toxic fumes under fire conditions.
Section 6 - Accidental Release Measures
PROCEDURE TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area.
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear self-contained breathing apparatus, rubber boots, and heavy
rubber gloves.
METHODS FOR CLEANING UP
Sweep up, place in a bag and hold for waste disposal. Ventilate
area and wash spill site after material pickup is complete.
Section 7 - Handling and Storage
HANDLING
User Exposure: Do not breathe dust. Do not get in eyes, on skin,
on clothing. Avoid prolonged or repeated exposure.
STORAGE
Suitable: Keep tightly closed.
SPECIAL REQUIREMENTS
Hygroscopic.
Section 8 - Exposure Controls / PPE
ENGINEERING CONTROLS
Safety shower and eye bath. Use only in a chemical fume hood.
PERSONAL PROTECTIVE EQUIPMENT
Respiratory: Use respirators and components tested and approved
under appropriate government standards such as NIOSH (US) or CEN
(EU). Where risk assessment shows air-purifying respirators are
appropriate use a full-face particle respirator type N100 (US) or
type P3 (EN 143) respirator cartridges as a backup to engineering
SIAL - 161993 www.sigma-aldrich.com Page 2
controls. If the respirator is the sole means of protection, use a
full-face supplied air respirator.
Hand: Compatible chemical-resistant gloves.
Eye: Chemical safety goggles.
GENERAL HYGIENE MEASURES
Wash contaminated clothing before reuse. Discard contaminated
shoes. Wash thoroughly after handling.
Section 9 - Physical/Chemical Properties
Appearance Physical State: Solid
Property Value At Temperature or Pressure
Molecular Weight 190.22 AMU
pH N/A
BP/BP Range N/A
MP/MP Range 103.0 - 106.0 藲C
Freezing Point N/A
Vapor Pressure N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
SG/Density N/A
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
Explosion Limits N/A
Flammability N/A
Autoignition Temp N/A
Refractive Index N/A
Optical Rotation N/A
Miscellaneous Data N/A
Solubility N/A
N/A = not available
Section 10 - Stability and Reactivity
STABILITY
Stable: Stable.
Conditions to Avoid: Moisture.
Materials to Avoid: Strong oxidizing agents, Strong bases.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide,
Sulfur oxides.
HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur
Section 11 - Toxicological Information
ROUTE OF EXPOSURE
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Skin Contact: Causes burns.
Skin Absorption: May be harmful if absorbed through the skin.
Eye Contact: Causes burns.
Inhalation: May be harmful if inhaled. Material is extremely
destructive to the tissue of the mucous membranes and upper
respiratory tract.
Ingestion: May be harmful if swallowed.
SIGNS AND SYMPTOMS OF EXPOSURE
Material is extremely destructive to tissue of the mucous
membranes and upper respiratory tract, eyes, and skin. Symptoms
of exposure may include burning sensation, coughing, wheezing,
laryngitis, shortness of breath, headache, nausea, and vomiting.
Inhalation may result in spasm, inflammation and edema of the
larynxand bronchi, chemical pneumonitis, and pulmonary edema. To
the best of our knowledge, the chemical, physical, and
toxicological properties have not been thoroughly investigated.
Section 12 - Ecological Information
Section 13 - Disposal Considerations
APPROPRIATE METHOD OF DISPOSAL OF SUBSTANCE OR PREPARATION
Contact a licensed professional waste disposal service to dispose
of this material. Dissolve or mix the material with a combustible
solvent and burn 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: Alkyl sulfonic acids, solid [or]
Aryl sulfonic acids, solid [with not more than 5
percent free sulfuric acid]
UN#: 2585
Class: 8
Packing Group: Packing Group III
Hazard Label: Corrosive
PIH: Not PIH
IATA
Proper Shipping Name: Arylsulphonic acids, solid
IATA UN Number: 2585
Hazard Class: 8
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
Safety Statements: In case of contact with eyes, rinse
immediately with plenty of water and seek medical advice.
US CLASSIFICATION AND LABEL TEXT
Indication of Danger: Corrosive.
Risk Statements: Causes burns.
SIAL - 161993 www.sigma-aldrich.com Page 4
Safety Statements: In case of contact with eyes, rinse
immediately with plenty of water and seek medical advice. Wear
suitable protective clothing, gloves, and eye/face protection.
In case of accident or if you feel unwell, seek medical advice
immediately (show the label where possible).
UNITED STATES REGULATORY INFORMATION
SARA LISTED: No
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: No
NDSL: No
Section 16 - Other Information
DISCLAIMER
For R&D use only. Not for drug, household or other uses.
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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