Disiloxane,1,3-diethoxy-1,1,3,3-tetramethyl-

1.IDENTIFICATIONOFTHESUBSTANCE/MIXTUREANDOFTHECOMPANY/UNDERTAKING
Product Name
1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane
2.HAZARDS IDENTIFICATION
Classification of the substance or mixture
According to Regulation (EC) No1272/2008
Flammable liquids (Category 3)
Skin irritation (Category 2)
Eye irritation (Category 2)
Specific target organ toxicity - single exposure (Category 3)
According to European Directive 67/548/EEC as amended.
Flammable. Irritating to eyes, respiratory system and skin.
Label elements
Pictogram
Signal word
Hazard statement(s)
H226
H315
H319
H335
Precautionary statement(s)
P261
P305 + P351 + P338
Warning
Flammable liquid and vapour.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
IF IN EYES: Rinse cautiously with water for several minutes. Remove
contact lenses, if present and easy to do. Continue rinsing.
Hazard symbol(s)
Xi
R-phrase(s)
R10
R36/37/38
S-phrase(s)
S16
Irritant
Flammable.
Irritating to eyes, respiratory system and skin.
Keep away from sources of ignition - No smoking.
S26
S36
In case of contact with eyes, rinse immediately with plenty of water and
seek medical advice.
Wear suitable protective clothing.
Other hazards - none
3. COMPOSITION/INFORMATION ON INGREDIENTS
Formula
Molecular Weight
:
:
C8H22O3Si2
222,43 g/mol
CAS-No.
EC-No.
Index-No.
Classification
Concentration
1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane
18420-09-2
242-298-7
-
Flam. Liq. 3; Skin Irrit. 2; Eye
-
Irrit. 2; STOT SE 3; H226,
H315, H319, H335
Xi, R10 - R36/37/38
For the full text of the H-Statements mentioned in this Section, see Section 16.
4. FIRST AID MEASURES
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowed
Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water.
Consult a physician.
5. FIRE-FIGHTING MEASURES
Suitable extinguishing media
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.
Special protective equipment for fire-fighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
Use water spray to cool unopened containers.
6. ACCIDENTAL RELEASE MEASURES
Personal precautions
Use personal protective equipment. Avoid breathing vapors, mist or gas. Ensure adequate ventilation.
Remove all sources of ignition. Evacuate personnel to safe areas. Beware of vapours accumulating to form
explosive concentrations. Vapours can accumulate in low areas.
Environmental precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains.
Methods and materials for containment and cleaning up
Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and place
in container for disposal according to local regulations (see section 13).
7. HANDLING AND STORAGE
Precautions for safe handling
Avoid contact with skin and eyes. Avoid inhalation of vapour or mist.
Keep away from sources of ignition - No smoking. Take measures to prevent the build up of electrostatic
charge.
Conditions for safe storage
Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully
resealed and kept upright to prevent leakage. Store in cool place.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Personal protective equipment
Respiratory protection
Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator with
multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to
engineering controls. If the respirator is the sole means of protection, use a full-face supplied air
respirator. Use respirators and components tested and approved under appropriate government
standards such as NIOSH (US) or CEN (EU).
Hand protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without
touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves
after use in accordance with applicable laws and good laboratory practices. Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the
standard EN 374 derived from it.
Eye protection
Face shield and safety glasses Use equipment for eye protection tested and approved under appropriate
government standards such as NIOSH (US) or EN 166(EU).
Skin and body protection
impervious clothing, Flame retardant antistatic protective clothing, The type of protective equipment must
be selected according to the concentration and amount of the dangerous substance at the specific
workplace.
Hygiene measures
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at
the end of workday.
9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance
Form
Colour
Safety data
pH
Melting point
Boiling point
Flash point
Ignition temperature
Lower explosion limit
Upper explosion limit
Density
liquid
colourless
no data available
no data available
161 °C - lit.
43 °C - closed cup
no data available
no data available
no data available
0,883 g/cm3 at 25 °C
Water solubility
no data available
10. STABILITY AND REACTIVITY
Chemical stability
Stable under recommended storage conditions.
Conditions to avoid
Heat, flames and sparks.
Materials to avoid
Strong oxidizing agents, acids, Bases
Hazardous decomposition products
Hazardous decomposition products formed under fire conditions. - Carbon oxides, silicon oxides
11. TOXICOLOGICAL INFORMATION
Acute toxicity
no data available
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
IARC: No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
no data available
Specific target organ toxicity - single exposure
Inhalation - May cause respiratory irritation.
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Potential health effects
Inhalation
Ingestion
Skin
Eyes
May be harmful if inhaled. Causes respiratory tract irritation.
May be harmful if swallowed.
May be harmful if absorbed through skin. Causes skin irritation.
Causes serious eye irritation.
Signs and Symptoms of Exposure
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly
investigated.
Additional Information
RTECS: Not available
12. ECOLOGICAL INFORMATION
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
PBT and vPvB assessment
no data available
Other adverse effects
no data available
13. DISPOSAL CONSIDERATIONS
Product
Burn in a chemical incinerator equipped with an afterburner and scrubber but exert extra care in igniting as
this material is highly flammable. Offer surplus and non-recyclable solutions to a licensed disposal company.
Contact a licensed professional waste disposal service to dispose of this material.
Contaminated packaging
Dispose of as unused product.
14. TRANSPORT INFORMATION
ADR/RID
UN-Number: 1993 Class: 3
Packing group: III
Proper shipping name: FLAMMABLE LIQUID, N.O.S. (1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane)
IMDG
UN-Number: 1993 Class: 3
Packing group: III
EMS-No: F-E, S-E
Proper shipping name: FLAMMABLE LIQUID, N.O.S. (1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane)
Marine pollutant: No
IATA
UN-Number: 1993 Class: 3
Packing group: III
Proper shipping name: Flammable liquid, n.o.s. (1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane)
15. REGULATORY INFORMATION
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
16. OTHER INFORMATION
Text of H-code(s) and R-phrase(s) mentioned in Section 3
Eye Irrit.
Flam. Liq.
H226
H315
H319
H335
Skin Irrit.
STOT SE
Xi
R10
R36/37/38
Eye irritation
Flammable liquids
Flammable liquid and vapour.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Skin irritation
Specific target organ toxicity - single exposure
Irritant
Flammable.
Irritating to eyes, respiratory system and skin.
Further information
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 this document is based on the resent 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. Lookchem 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.

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. - Co., 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.
;

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