SAFETY DATA SHEET
Sylgard™ 184 Elastomer - Base
1. IDENTIFICATION
Product Identifiers
Product Name:
Sylgard 184 Elastomer - Base
Other Names:
N/A
Product Number(s):
24236-10A; EMS24236-10A
CAS Number:
N/A
Recommended use of the chemical and restriction on use
Laboratory use
Company Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia

(07) 4773 9444
www.proscitech.com
Emergency Contact Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia

(07) 4773 9444
www.proscitech.com
2. HAZARDS IDENTIFICATION
Classification of the substance or mixture
GHS08 Health hazard
Carc. 2 H351 Suspected of causing cancer.

GHS07
Acute Tox. 4 H302 Harmful if swallowed.
Acute Tox. 4 H332 Harmful if inhaled.
Skin Irrit. 2 H316: Causes mild skin irritation
Eye Irrit. 2A H319 Causes serious eye irritation.
STOT SE 3 H335 May cause respiratory irritation.
Label Elements
Signal Words
Warning
Hazard Statement(s)
H316: Causes mild skin irritation
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
Precautionary Statement(s)
P261: Avoid breathing dust/fume/gas/mist/vapours/spray
P280: Wear protective gloves/eye protection/face protection
P304+P340: If Inhaled. remove person to fresh air and keep comfortable for breathing
P305+P351+P338 If in eyes: Rince cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P405 Store locked up.
P501: Dispose of contents/container in accordance with local regional/national/international regulations.
Store in a well-ventilated place. Keep container tightly closed.
Primary route(s) of entry
Inhalation; skin absorption
Human Health
Inhalation:
May cause respiratory irritation.
Ingestion:
Harmful if swallowed or if inhaled
Eyes:
Causes serious eye irritation.
Skin:
Causes mild skin irritation
Environment
3. COMPOSITION/INFORMATION ON INGREDIENTS
Name
CAS No.
Content (w/w)
Classification
Poly(dimethylsiloxane), vinyl terminated
68083-19-2
>50-≤100%
Not Available
Dimethylvinylated and trimethylated silica
68988-89-6
>25-≤50%
Not Available
Tetra (trimethylsiloxy) silane
3555-47-3
≤2.5%
Skin Irrit, 2 H315; Eye irrit, 2A H319; STOT 3 H335;
ethylbenzene
100-41-4
≤2.5%
Flam liq, 2 H225; Acut tox inhalation, 4 H332; STAT 2 H373; Aspiration haz 1 H304
4. FIRST AID MEASURES
Ingestion
If symptoms persist consult doctor
Inhalation
In case of unconsciousness place patient stably in side position for transportation
Skin Contact
Immediately wash with water and soap and rinse thoroughly.
Eye Contact
Rinse opened eye for several minutes under running water. If symptoms persist, consult a doctor
Other Information
No further relevant information available
5. FIREFIGHTING MEASURES
Suitable extinguishing equipment
Use fire fighting measures that suit the environment
HAZCHEM
No further relevant information available
Special protective equipment and precautions for fire fighters
No special measures required
6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Not required.
Environmental precautions
Do not allow to enter sewers/ surface or ground water
Methods and materials for containment and clean up
Absorb with liquid-binding material (sand, diatomite, acid binders, universal binders, sawdust).
Ensure adequate ventilation

PAC-1:
68083-19-2 Poly(dimethylsiloxane), vinyl terminated 48 mg/m³
100-41-4 ethylbenzene 33 ppm
· PAC-2:
68083-19-2 Poly(dimethylsiloxane), vinyl terminated 530 mg/m³
100-41-4 ethylbenzene 1100* ppm
· PAC-3:
68083-19-2 Poly(dimethylsiloxane), vinyl terminated 3,200 mg/m³
100-41-4 ethylbenzene 1800* ppm
7. HANDLING AND STORAGE
Precautions for safe handling
Ensure good ventilation/exhaustion at the workplace.
Prevent formation of aerosols.
Conditions for safe storage
Keep receptacle tightly sealed.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Exposure Standards
Material
TWA ppm
TWA mg/m3
STEL ppm
STEL mg/m3
100-41-4 ethylbenzene
100ppm
435 mg/m³
125 ppm
545 mg/m³
Engineering controls
Ingredients with biological limit values:
100-41-4 ethylbenzene
BEI 0.7 g/g creatinine
Medium: urine
Time: end of shift at end of workweek
Parameter: Sum of mandelic acid and phenylglyoxylic acid (nonspecific, semi-quantitative)
-
Medium: end-exhaled air
Time: not critical
Parameter: Ethyl benzene (semi-quantitative)


* Keep away from foodstuffs, beverages and feed.
* Immediately remove all soiled and contaminated clothing.
* Wash hands before breaks and at the end of work.
* Avoid contact with the eyes and skin.
Personal protective equipment
Eye and face protection
Tightly sealed goggles
Skin protection
Protective gloves. The glove material has to be impermeable and resistant to the product/ the substance/ the preparation.
Body protection
Respiratory protection
In case of brief exposure or low pollution use respiratory filter device. In case of intensive or longer exposure use
respiratory protective device that is independent of circulating air.
9. PHYSICAL AND CHEMICAL PROPERTIES
General information
Appearance
Colourless liquid
Odour
Nearly odourless
pH
Not determined
Vapour Pressure
Not determined.
Density
Not determined.
Boiling Point
100 °C (212 °F)
Melting Point
Undetermined.
Solubility
Not miscible or difficult to mix.
Specific Gravity of Density
Undetermined.
Flash Point
121 °C (249.8 °F)
Flammable (Explosive) Limits
Not flammable
Ignition Temperature
Product is not selfigniting.
Formula
Solvent content:
Organic solvents: 0.2 %
VOC content: 0.20 %
2.0 g/l / 0.02 lb/gal
Solids content: 10.0 %
10. STABILITY AND REACTIVITY
Reactivity
No further relevant information available.
Chemical stability
Stable under normal conditions
Possibility of hazardous reactions
No dangerous reactions known.
Conditions to avoid
No further relevant information available.
Incompatible materials
No further relevant information available
11. TOXICOLOGICAL INFORMATION
Acute effects
No further relevant information available
Eye contact
Irritating effect.
Skin contact
Irritant to skin and mucous membranes.
Ingestion
No sensitizing effects known
Inhalation
No sensitizing effects known
Toxicity and irritation
The product shows the following dangers according to internally approved calculation methods for preparations:
Irritant
12. ECOLOGICAL INFORMATION
Ecotoxicity
No further relevant information available
Persistence and degradability
No further relevant information available.
Bioaccumulative potential
No further relevant information available.
Other adverse effects
No further relevant information available.
13. DISPOSAL CONSIDERATIONS
General information
Must not be disposed of together with household garbage. Do not allow product to reach sewage system
14. TRANSPORT INFORMATION
ADG label required
HAZCHEM
No further relevant information available

UN Number
Not applicable
Proper shipping name
Not applicable
Transport hazard class
Not applicable
Packing group
Not applicable
Environmental hazard
Not applicable
Special precautions for users
Not applicable
Additional information
Not applicable
15. REGULATORY INFORMATION
Poisons Schedule Number
Other Information
Carcinogenic categories
· EPA (Environmental Protection Agency)
100-41-4 ethylbenzene D
· TLV (Threshold Limit Value established by ACGIH)
100-41-4 ethylbenzene A3
16. OTHER INFORMATION
SDS preparation date
28 November 2024
Comments
This information is based on our present knowledge. However, this shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship.This Safety Data Sheet (SDS) has been prepared in compliance with the Preparation of Safety Data Sheets for Hazardous Chemicals Code of Practice February 2016. It is the user's responsibility to determine the suitability of this information for adoption of necessary safety precautions. The information published in this SDS has been compiled from the publications listed in Section 16: to the best of our ability and knowledge these publications are considered accurate. We reserve the right to revise Safety Data Sheets as new information becomes available. Copies may be made for non-profit use.
This Safety Data Sheet (SDS) has been prepared in compliance with the Preparation of Safety Data Sheets for Hazardous Chemicals Code of Practice February 2016. It is the user's responsibility to determine the suitability of this information for adoption of necessary safety precautions. The information published in this SDS has been compiled from the publications listed in Section 16: to the best of our ability and knowledge these publications are considered accurate. We reserve the right to revise Safety Data Sheets as new information becomes available. Copies may be made for non-profit use.

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