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MSDS Material Safety Data Sheet
CAS

19158-51-1

File Name: 19158-51-1.asp

                              SIGMA-ALDRICH

Material Safety Data Sheet

Date Printed: 12/MAY/2005
Date Updated: 14/MAR/2004
Version 1.1
According to 91/155/EEC

Classified as Hazardous according to the criteria of EU Annex 1 and
NOHSC.

1 - Product and Company Information

Product Name P-TOLUENESULFONYL CYANIDE, TECH.,
APPROX. 95%
Product Number 248835

Company Sigma-Aldrich Pty, Ltd
Unit 2, 14 Anella Avenue
Castle Hill NSW 1765
Australia
Technical Phone # +61 2 9841 0555
Fax +61 2 9841 0500
Emergency Phone # +61 2 9841 0566

2 - Composition/Information on Ingredients

Product Name CAS # EC no Annex I
Index Number
P-TOLUENESULFONYL CYANIDE, 19158-51-1 242-849-1 None
TECH.,APPROX. 90%

Formula C8H7NO2S
Molecular Weight 181.22 AMU

3 - Hazards Identification

SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Harmful by inhalation and in contact with skin. Causes burns.


4 - First Aid Measures

AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.

AFTER EYE CONTACT
Assure adequate flushing of the eyes by separating the eyelids
with fingers.

AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.

5 - Fire Fighting Measures

EXTINGUISHING MEDIA
Suitable: Carbon dioxide, dry chemical powder, or appropriate
foam.
SPECIAL RISKS
Specific Hazard(s): Emits toxic fumes under fire conditions.

SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.

6 - Accidental Release Measures

PERSONAL PRECAUTION PROCEDURES 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
Cover with dry lime or soda ash, pick up, keep in a closed
container, and hold for waste disposal. Ventilate area and wash
spill site after material pickup is complete.

7 - Handling and Storage

HANDLING
Directions for Safe Handling: Do not breathe dust. Do not get in
eyes, on skin, on clothing. Avoid prolonged or repeated exposure.

STORAGE
Conditions of Storage: Keep tightly closed. Handle and store
under nitrogen.
Store at 2-8掳C

SPECIAL REQUIREMENTS: Moisture sensitive.

8 - Exposure Controls / Personal Protection

ENGINEERING CONTROLS
Safety shower and eye bath. Use only in a chemical fume hood.

GENERAL HYGIENE MEASURES
Wash thoroughly after handling. Wash contaminated clothing before
reuse. Discard contaminated shoes.

PERSONAL PROTECTIVE EQUIPMENT
Special Protective Measures: Wear appropriate government approved
respirator, chemical-resistant gloves, safety goggles, other
protective clothing. Faceshield (8-inch minimum).

9 - Physical and Chemical Properties

Appearance Color: Faintly beige
Form: Crystals

Property Value At Temperature or Pressure

pH N/A
BP/BP Range 105 - 106 掳C 1 mmHg
MP/MP Range 47 掳C
Flash Point 110 掳C Method: closed cup
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A


ALDRICH - 248835 www.sigma-aldrich.com Page 2
Explosive Properties N/A
Explosion Limits N/A
Vapor Pressure N/A
SG/Density N/A
Partition Coefficient N/A
Viscosity N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility N/A

10 - Stability and Reactivity

STABILITY
Conditions of Instability: May decompose on exposure to moist air
or water.
Materials to Avoid: Strong oxidizing agents, Strong bases.

HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide,
Nitrogen oxides, Sulfur oxides.

11 - Toxicological Information

SIGNS AND SYMPTOMS OF EXPOSURE
Material is extremely destructive to tissue of the mucous
membranes and upper respiratory tract, eyes, and skin.
Inhalation may result in spasm, inflammation and edema of the
larynxand bronchi, chemical pneumonitis, and pulmonary edema.
Symptoms of exposure may include burning sensation, coughing,
wheezing, laryngitis, shortness of breath, headache, nausea, and
vomiting. May cause cyanosis (blue-gray coloring of skin and
lips caused by lack of oxygen). To the best of our knowledge,
the chemical, physical, and toxicological properties have not
been thoroughly investigated.

ROUTE OF EXPOSURE
Multiple Routes: Harmful if swallowed, inhaled, or absorbed
through skin.

12 - Ecological Information

No data available.

13 - Disposal Considerations

SUBSTANCE DISPOSAL
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.

14 - Transport Information

RID/ADR


ALDRICH - 248835 www.sigma-aldrich.com Page 3
UN#: 3261
Class: 8
PG: II
Proper Shipping Name: Corrosive solid, acidic,
organic, n.o.s.

IMDG
UN#: 3261
Class: 8
PG: II
Proper Shipping Name: CORROSIVE SOLID, ACIDIC,
ORGANIC, N.O.S.
Marine Pollutant: No
Severe Marine Pollutant: No
Technical Name: Required

IATA
UN#: 3261
Class: 8
PG: II
Proper Shipping Name: Corrosive solid, acidic,
organic, n.o.s.
Inhalation Packing Group I: No
Technical Name: Required

15 - Regulatory Information

CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
INDICATION OF DANGER: C
Corrosive.
R-PHRASES: 20/21 34
Harmful by inhalation and in contact with skin. Causes burns.
S-PHRASES: 26 27 28 36/37/39 45
In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice. Take off immediately all
contaminated clothing. After contact with skin, wash
immediately with plenty of water. 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).

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 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.

DISCLAIMER
For R&D use only. Not for drug, household or other uses.




ALDRICH - 248835 www.sigma-aldrich.com Page 4

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