35438-57-4

---

Section2. HAZARDS IDENTIFICATION
GHS classification
PHYSICAL HAZARDSNot classified
Not classified
HEALTH HAZARDS
ENVIRONMENTAL HAZARDSNot classified
GHS label elements, including precautionary statements
Pictograms or hazard symbolsNone
No signal word
Signal word
Hazard statementsNone
None
Precautionary statements:

---

Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance/mixture:Substance
Components:1,5-Dioxepan-2-one
Percent:>98.0%(GC)
CAS Number:35438-57-4
Chemical Formula:C5H8O3

---

Section4. FIRST AID MEASURES
Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Get medical advice/attention if you feel unwell.
Skin contact:Remove/Take off immediately all contaminated clothing. Rinse skin with
water/shower. 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:Get medical advice/attention 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.

---

Section5. FIRE-FIGHTING MEASURES
Suitable extinguishingDry chemical, foam, water spray, carbon dioxide.
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.
1,5-Dioxepan-2-one

---

Section5. FIRE-FIGHTING MEASURES
Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment.
equipment for firefighters:

---

Section6. ACCIDENTAL RELEASE MEASURES
Personal precautions,Use personal protective equipment. Keep people away from and upwind of spill/leak.
protective equipment and Entry to non-involved personnel should be controlled around the leakage area by
emergency procedures: roping off, etc.
Environmental precautions: Prevent product from entering drains.
Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it.
containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with
up: appropriate laws and regulations.

---

Section7. HANDLING AND STORAGE
Precautions for safe handling
Handling is performed in a well ventilated place. Wear suitable protective equipment.
Technical measures:
Prevent dispersion of dust. Wash hands and face thoroughly after handling.
Use a local exhaust if dust or aerosol will be generated.
Advice on safe handling: Avoid contact with skin, eyes and clothing.
Conditions for safe storage, including any
incompatibilities
Keep container tightly closed. Store in a freezer.
Storage conditions:
Store under inert gas.
Store away from incompatible materials such as oxidizing agents.
Heat-sensitive, Air-sensitive
Packaging material:Comply with laws.

---

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

---

Section9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state (20°C):Solid
Form:Crystal- Powder
Colour:White - Very pale yellow
Odour:No data available
pH: No data available
Melting point/freezing point:36°C
No data available
Boiling point/range:
Flash point:No data available
Flammability or explosive
limits:
No data available
Lower:
Upper:No data available
No data available
Relative density:
Solubility(ies):
[Water]No data available
[Other solvents]
Acetone
Soluble:

---

Section10. STABILITY AND REACTIVITY
Chemical stability:Stable under proper conditions.
1,5-Dioxepan-2-one

---

Section10. STABILITY AND REACTIVITY
Possibility of hazardous No special reactivity has been reported.
reactions:
Incompatible materials: Oxidizing agents
Hazardous decomposition Carbon monoxide, Carbon dioxide
products:

---

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

---

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

---

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

---

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

---

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.
1,5-Dioxepan-2-one

---

SECTION 16 - ADDITIONAL INFORMATION
N/A