SIGMA-ALDRICH
Material Safety Data Sheet
Date Printed: 09/AUG/2005
Date Updated: 14/MAR/2004
Version 1.2
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 HEXAMETHYLDITIN, 99%
Product Number 288020
Company Sigma-Aldrich Pty. Ltd.
12 Anella Avenue
Castle Hill NSW 2154
Technical Phone # +61 2 9841 0555 (1800 800 097)
Fax +61 2 9841 0500 (1800 800 096)
Emergency Phone # +44 8701906777 (1800 448 465)
2 - Composition/Information on Ingredients
Product Name CAS # EC no Annex I
Index Number
HEXAMETHYLDISTANNANE 661-69-8 211-549-2 050-005-00-7
Formula C6H18Sn2
Molecular Weight 327.59 AMU
Synonyms Distannane, hexamethyl- (8CI,9CI) *
Hexamethyldistannane * Hexamethylditin *
Pennsalt TD 5032 * TD-5032
3 - Hazards Identification
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Very toxic by inhalation, in contact with skin and if swallowed.
Very toxic to aquatic organisms, may cause long-term adverse
effects in the aquatic environment.
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 INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.
5 - Fire Fighting Measures
EXTINGUISHING MEDIA
Suitable: Water spray. Carbon dioxide, dry chemical powder, or
appropriate foam.
SPECIAL RISKS
Specific Hazard(s): Combustible liquid. 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. Keep away from heat
and open flame. Store in a cool dry place. Handle and store
under nitrogen.
SPECIAL REQUIREMENTS: Air 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.
EXPOSURE LIMITS - DENMARK
Source Type Value
OEL TWA 0.1 mg/m3
Remarks: SKIN
EXPOSURE LIMITS - UNITED KINGDOM
Source Type Value
OEL TWA 0.1MG(SN)/M3
OEL STEL 0.2 mg(Sn)/m3
Remarks: Skin
PERSONAL PROTECTIVE EQUIPMENT
Special Protective Measures: Wear appropriate government approved
respirator, chemical-resistant gloves, safety goggles, other
protective clothing.
9 - Physical and Chemical Properties
Appearance Color: Colorless
Form: Clear liquid
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Property Value At Temperature or Pressure
pH N/A
BP/BP Range 182 藲C
MP/MP Range 23 藲C
Flash Point 61 藲C Method: closed cup
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits N/A
Vapor Pressure N/A
SG/Density 1.58 g/cm3
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 air.
Materials to Avoid: Strong oxidizing agents.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide,
Tin/tin oxides.
11 - Toxicological Information
RTECS NUMBER: WH8280000
ACUTE TOXICITY
LD50
Oral
Rat
7.69 mg/kg
Remarks: Behavioral:Tremor. Behavioral:Excitement.
Behavioral:Ataxia.
LD50
Skin
Rabbit
53.8 mg/kg
Remarks: Behavioral:Somnolence (general depressed activity).
Lungs, Thorax, or Respiration:Respiratory depression.
SIGNS AND SYMPTOMS OF EXPOSURE
To the best of our knowledge, the chemical, physical, and
toxicological properties have not been thoroughly investigated.
ROUTE OF EXPOSURE
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Inhalation: Material is irritating to mucous membranes and upper
respiratory tract.
Multiple Routes: May be fatal if inhaled, swallowed, or absorbed
through skin. Causes eye and skin irritation.
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
UN#: 3146
Class: 6.1
PG: II
Proper Shipping Name: Organotin compound, solid, n.o.s.
IMDG
UN#: 3146
Class: 6.1
PG: II
Proper Shipping Name: ORGANOTIN COMPOUND, SOLID, N.O.S.
Marine Pollutant: No
Severe Marine Pollutant: Yes
Technical Name: Required
IATA
UN#: 3146
Class: 6.1
PG: II
Proper Shipping Name: Organotin compound, solid, n.o.s.
Inhalation Packing Group I: No
Technical Name: Required
15 - Regulatory Information
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
ANNEX I INDEX NUMBER: 050-005-00-7
NOTA: A
INDICATION OF DANGER: T+ N
Very toxic. Dangerous for the environment.
R-PHRASES: 26/27/28 50/53
Very toxic by inhalation, in contact with skin and if
swallowed. Very toxic to aquatic organisms, may cause long-term
adverse effects in the aquatic environment.
S-PHRASES: 26 27 28 45 60 61
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 soap-suds. In case of accident or if
you feel unwell, seek medical advice immediately (show the
label where possible). This material and its container must be
disposed of as hazardous waste. Avoid release to the
environment. Refer to special instructions/safety data sheets.
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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.
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