Identification
Product identifiers, regulatory numbers, and supplier information
Product Information
- Product Name
- Dynasylan® F 8261
- Chemical Name
- Triethoxy(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane
Regulatory Identifiers
- CAS Number
- 51851-37-7 Check regulations →
- EC Number
- 257-473-3 Check regulations →
- REACH No.
- 01-2120768443-49-0000
Identified Uses
For industrial use Hydro- and oleophobizing agent Surface modifier
Uses advised against
In spray applications intended for the general public (see 7.3)
Manufacturers & Suppliers
Evonik Operations GmbH
manufacturer
Rellinghauser Str. 1-1, 45128 Essen, Germany
+49 6181 59 4787
Emergency Contacts
Emergency Contact
+49 7623 919191
Hazard Identification
GHS classification, signal word, pictograms, and hazard statements
Hazard Classifications
GHS Pictograms
GHS08
Hazard Statements
Precautionary Statements
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Composition / Information on Ingredients
Chemical components, concentration ranges, and hazardous substance identification
fluoroalkylsilane
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| Triethoxy(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane EC: 257-473-3 | 51851-37-7 | --- | No |
| Tetraethyl silicate EC: 201-083-8 | 78-10-4 | 3% | No |
* All concentrations are percent by weight unless ingredient is a gas. Gas concentrations are in percent by volume. # This substance has workplace exposure limit(s). This substance is listed as SVHC 000005044554 GB 2020-09-21
First Aid Measures
Emergency procedures for chemical exposure incidents
If aerosol or mists are formed: Move victims into fresh air.
Wash off with plenty of water and soap.
Keeping eyelid open, immediately rinse thoroughly for at least 5 minutes using plenty of water or, if necessary, eye rinsing solution.
Have the mouth rinsed with water.
Immediate Medical Attention
In case of persistent discomfort: Consult an ophthalmologist. After absorbing large amounts of substance: Consult a physician.
Medical Treatment
After absorbing large amounts of substance: administration of activated charcoal. Acceleration of gastrointestinal passage
Firefighting Measures
Extinguishing media, specific hazards, and firefighter protection
Water spray, fog, CO2, dry chemical, or alcohol resistant foam.
High volume water jet
Possible formation of fluorine-containing fumes.
Standard procedure for chemical fires.
Firefighter Protection
In case of fire: wear a self contained respiratory apparatus
Accidental Release Measures
Spill cleanup procedures, containment, and environmental protection
Use personal protective equipment. Do not inhale vapours / aerosols.
Do not allow entrance in sewage water, soil stretches of water, groundwater, drainage systems.
Soak up with inert absorbent material (e.g. sand, silica gel, acid binder, universal binder, sawdust). Transfer into suitable containers.
Materials: sand, silica gel, acid binder, universal binder, sawdust
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Similar products with comparable safety profiles
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Handling and Storage
Safe handling precautions, storage conditions, and workplace requirements
Assure sufficient ventilation. Observe the rules usually applicable when handling chemicals. Handle in accordance with good industrial hygiene and safety practice. The personal protective equipment used must meet the requirements of Regulation (EU) 2016/425 and amendments (CE certification). If workplace exposure limits are exceeded and/or larger amounts are released (leakage, spilling, dust) the indicated respiratory protection should be used. If there is the possibility of skin/eye contact, the indicated hand/eye/body protection should be used. Do not breathe in vapours or aerosols. Avoid contact with skin and eyes.
Keep container tightly closed. Protect from moisture.
Observe the rules usually applicable when handling chemicals. Handle in accordance with good industrial hygiene and safety practice.
Normal measures for preventive fire protection.
Exposure Controls / PPE
Occupational exposure limits, engineering controls, and protective equipment
Provide for good ventilation if vapours/aerosols are formed. Spray within closed systems only.
Material: Butyl rubber. Break-through time: >= 480 min Glove thickness: 0.5 mm Material: Natural rubber. Break-through time: >= 30 min Glove thickness: 1.25 mm Additional Information: In case of contact through splashing: Material: Nitrile rubber. Break-through time: >= 30 min Additional Information: In case of contact through splashing: Additional Information: Selection of protective gloves to meet the requirements of specific workplaces., Suitability for specific workplaces should be clarified with protective glove manufacturers., The information is based on our own tests, references from the literature and information from glove manufacturers, or derived by analogy with similar materials., Please observe that the daily duration of usage of a chemical protective glove is in practice far shorter due to the many influencing factors (e.g. temperature, mechanical strain on the glove material) than the permeation time determined acc. EN 374.
Safety glasses
In case of dusts/vapours/aerosols being formed or if the limit values like TLV are exceeded: use respiratory equipment with suitable filter (filter type ABEK) or wear a self contained respiratory apparatus. Use only respiratory protection equipment with CE-symbol including four digit test number. The filter class for the respirator must be suitable for the maximum expected contaminant concentration (gas/vapour/aerosol/particulates) that may arise when handling the product. If this concentration is exceeded, self-contained breathing apparatus must be used. Note time limit for wearing respiratory protective equipment.
suitable protective clothing - Use disposable clothing if appropriate.
see section 6.
Physical and Chemical Properties
Appearance, physical state, melting point, boiling point, and material characteristics
Stability and Reactivity
Chemical stability, hazardous reactions, and incompatible materials
Stable under recommended storage conditions.
No dangerous reaction known under conditions of normal use.
No dangerous reactions known.
Hydrolyses on contact with water. In the presence of oxygen and heat, the ethanol forming during the reaction may produce acetaldehyde. Material may form acetaldehyde when heated with inorganic pigments in the presence of air.
Water.
Ethanol in case of hydrolysis. Alcohol formed by hydrolysis lowers the flash point of the product.
Ecological Information
Environmental toxicity, biodegradation, and bioaccumulation data
12.1 Toxicity
12.1 Toxicity
12.1 Toxicity
12.2 Persistence and Degradability
12.3 Bioaccumulative potential
12.4 Mobility in soil
12.5 Results of PBT and vPvB assessment
The substances listed are not classified as PBT or vPvB according to the criteria of the REACH Regulation.
12.6 Other adverse effects
The data available do not indicate environmental hazards.
Disposal Considerations
Waste treatment methods, disposal recommendations, and waste codes
dispose of to suitable waste incineration plant
With respect to local regulations, e.g. dispose of to suitable waste incineration plant.
Transport Information
UN numbers, shipping names, transport classes, and regulatory requirements
Regulatory Information
Chemical regulations, safety assessments, and compliance status
EU Regulations
Frequently Asked Questions
Common questions about safety, handling, and properties
What is the hazard signal word for Dynasylan® F 8261?
The signal word is warning.
What is the physical form of Dynasylan® F 8261?
Dynasylan® F 8261 is a liquid with colorless color. It has almost odourless odor.
What is Dynasylan® F 8261 used for?
For industrial use Hydro- and oleophobizing agent Surface modifier
What are the hazard statements for Dynasylan® F 8261?
This substance has 1 hazard statement:
- H373: May cause damage to organs through prolonged or repeated exposure.