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Section2. HAZARDS IDENTIFICATION
GHS classification
PHYSICAL HAZARDS
Category 4
Flammable liquids
HEALTH HAZARDS
Category 4
Acute toxicity (Oral)
Acute toxicity (Dermal)Category 4
Category 4
Acute toxicity (Inhalation)
Skin corrosion/irritationCategory 2
Category 2A
Serious eye damage/eye irritation
ENVIRONMENTAL HAZARDSNot classified
GHS label elements, including precautionary statements
Pictograms or hazard symbols
Warning
Signal word
Hazard statementsCombustible liquid
Harmful if swallowed, in contact with skin or if inhaled
Causes skin irritation
Causes serious eye irritation
Precautionary statements:
Keep away from flames and hot surfaces.
[Prevention]
Avoid breathing dust/fume/gas/mist/vapours/spray.
Use only outdoors or in a well-ventilated area.
Do not eat, drink or smoke when using this product.
Wash hands thoroughly after handling.
Wear protective gloves and eye/face protection.
Ethyl 2-Hydroxy-3-butynoate

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Section2. HAZARDS IDENTIFICATION
[Response]IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for
breathing. Call a POISON CENTER or doctor/physician if you feel unwell.
IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
Rinse mouth.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
if present and easy to do. Continue rinsing.
If eye irritation persists: Get medical advice/attention.
IF ON SKIN: Gently wash with plenty of soap and water.
If skin irritation occurs: Get medical advice/attention.
Wash contaminated clothing before reuse.
Call a POISON CENTER or doctor/physician if you feel unwell.
[Storage]Store in a well-ventilated place. Keep cool.
[Disposal]Dispose of contents/container through a waste management company authorized by
the local government.

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Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance
Substance/mixture:
Components:Ethyl 2-Hydroxy-3-butynoate
Percent:>95.0%(GC)
CAS Number:18418-08-1
Synonyms:2-Hydroxy-3-butynoic Acid Ethyl Ester
Chemical Formula:C6H8O3

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Section4. FIRST AID MEASURES
Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Call a POISON CENTER or doctor/physician if you feel unwell.
Skin contact:Remove/Take off immediately all contaminated clothing. Gently wash with plenty of
soap and water. If skin irritation or rash occurs: Get medical advice/attention.
Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present
and easy to do. Continue rinsing. If eye irritation persists: Get medical
advice/attention.
Ingestion:Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth.
A rescuer should wear personal protective equipment, such as rubber gloves and air-
Protection of first-aiders:
tight goggles.

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Section5. FIRE-FIGHTING MEASURES
Suitable extinguishingDry chemical, foam, water spray, carbon dioxide.
media:
Unsuitable extinguishing Solid streams of water
media:
Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
method according to the surrounding situation is used. Uninvolved persons should
evacuate to a safe place. In case of fire in the surroundings: Remove movable
containers if safe to do so.
Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment.
equipment for firefighters:

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Section6. ACCIDENTAL RELEASE MEASURES
Personal precautions,Use personal protective equipment. Keep people away from and upwind of spill/leak.
protective equipment and Ensure adequate ventilation. Entry to non-involved personnel should be controlled
emergency procedures: around the leakage area by roping off, etc.
Environmental precautions: Prevent product from entering drains.
Methods and materials for Absorb spilled material in a suitable absorbent (e.g. rag, dry sand, earth, saw-dust).
containment and cleaning In case of large amount of spillage, contain a spill by bunding. Adhered or collected
up: material should be promptly disposed of, in accordance with appropriate laws and
regulations.
Ethyl 2-Hydroxy-3-butynoate

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Section6. ACCIDENTAL RELEASE MEASURES
Prevention of secondary Remove all sources of ignition. Fire-extinguishing devices should be prepared in
hazards:case of a fire. Use spark-proof tools and explosion-proof equipment.

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Section7. HANDLING AND STORAGE
Precautions for safe handling
Technical measures:Handling is performed in a well ventilated place. Wear suitable protective equipment.
Prevent generation of vapour or mist. Keep away from flames and hot surfaces. Take
measures to prevent the build up of electrostatic charge. Use explosion-proof
equipment. Wash hands and face thoroughly after handling.
Use a closed system, ventilation.
Advice on safe handling: Avoid contact with skin, eyes and clothing.
Conditions for safe storage, including any
incompatibilities
Storage conditions:Keep container tightly closed. Store in a freezer.
Store away from incompatible materials such as oxidizing agents.
Heat-sensitive
Comply with laws.
Packaging material:

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Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Engineering controls:Install a closed system or local exhaust as possible so that workers should not be
exposed directly. Also install safety shower and eye bath.
Personal protective equipment
Respiratory protection: Vapor respirator. Follow local and national regulations.
Hand protection:Protective gloves.
Safety glasses. A face-shield, if the situation requires.
Eye protection:
Skin and body protection: Protective clothing. Protective boots, if the situation requires.

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Section9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state (20°C):Liquid
Clear
Form:
Colour:Very pale yellow - Yellow
No data available
Odour:
pH: No data available
Melting point/freezing point:No data available
Boiling point/range:78°C/1.5kPa
No data available
Flash point:
Flammability or explosive
limits:
Lower:No data available
Upper:No data available
Relative density:1.10
Solubility(ies):
[Water]No data available
No data available
[Other solvents]

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Section10. STABILITY AND REACTIVITY
Chemical stability:Stable under proper conditions.
Possibility of hazardous No special reactivity has been reported.
reactions:
Conditions to avoid:Open flame
Incompatible materials: Oxidizing agents
Hazardous decomposition Carbon monoxide, Carbon dioxide
products:

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Section11. TOXICOLOGICAL INFORMATION
Acute Toxicity:No data available
Ethyl 2-Hydroxy-3-butynoate

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Section11. TOXICOLOGICAL INFORMATION
Skin corrosion/irritation: No data available
Serious eyeNo data available
damage/irritation:
Germ cell mutagenicity: No data available
Carcinogenicity:
No data available
IARC =
NTP =No data available
No data available
Reproductive toxicity:

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Section12. ECOLOGICAL INFORMATION
Ecotoxicity:
Fish:No data available
Crustacea:No data available
Algae:No data available
Persistence / degradability: No data available
BioaccumulativeNo data available
potential(BCF):
Mobility in soil
Log Pow:No data available
Soil adsorption (Koc):No data available
Henry's LawNo data available
constant(PaM3/mol):

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Section13. DISPOSAL CONSIDERATIONS
Recycle to process, if possible. Consult your local regional authorities. You may be able to burn in a chemical
incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when
disposing of the substance.

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Section14. TRANSPORT INFORMATION
Hazards Class:Does not correspond to the classification standard of the United Nations
UN-No:Not listed

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Section15. REGULATORY INFORMATION
Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
loading and unloading were prescribed.

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SECTION 16 - ADDITIONAL INFORMATION
N/A