Acetaldehyde, bis(2-methoxyethyl) acetal (TEDM)

Superiority:

SAFETY DATA SHEETS

According to the UN GHS revision 9

Version: 1.0

Creation Date: July 15, 2019

Revision Date: July 15, 2019

SECTION 1: Identification

1.1GHS Product identifier

Product name	1,2-bis(2-methoxyethoxy)ethane

1.2Other means of identification

Product number	-
Other names	Dimethyltriglycol; Triethylene Glycol Dimethyl Ether; TRIETHYLENE GLYCOL DIMETHYL ETHER

1.3Recommended use of the chemical and restrictions on use

Identified uses	Industrial and scientific research use.
Uses advised against	no data available

SECTION 2: Hazard identification

2.1Classification of the substance or mixture

Reproductive toxicity, Category 1B

2.2GHS label elements, including precautionary statements

Pictogram(s)
Signal word	Danger
Hazard statement(s)	none
Precautionary statement(s)
Prevention	P203 Obtain, read and follow all safety instructions before use. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P318 IF exposed or concerned, get medical advice.
Storage	P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

2.3Other hazards which do not result in classification

no data available

SECTION 3: Composition/information on ingredients

3.1Substances

Chemical name	Common names and synonyms	CAS number	EC number	Concentration
1,2-bis(2-methoxyethoxy)ethane	1,2-bis(2-methoxyethoxy)ethane	112-49-2	203-977-3	100%

SECTION 4: First-aid measures

4.1Description of necessary first-aid measures

If inhaled

Fresh air, rest.

Following skin contact

Remove contaminated clothes. Rinse skin with plenty of water or shower.

Following eye contact

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

Following ingestion

Rinse mouth. Give one or two glasses of water to drink.

4.2Most important symptoms/effects, acute and delayed

SYMPTOMS: Symptoms of exposure to this compound include irritation of the skin and eyes, abdominal pain, coughing, extrasystoles, nausea and vomiting. ACUTE/CHRONIC HAZARDS: This compound may be harmful by inhalation, ingestion or skin absorption. When heated to decomposition this compound emits acrid smoke and irritating fumes of carbon monoxide and carbon dioxide. It may cause irritation of the skin and eyes. (NTP, 1992)

4.3Indication of immediate medical attention and special treatment needed, if necessary

no data available

SECTION 5: Fire-fighting measures

5.1Suitable extinguishing media

Fires involving this material can be controlled with a carbon dioxide, dry chemical or Halon extinguisher. A water spray may also be used. (NTP, 1992)

5.2Specific hazards arising from the chemical

This chemical is combustible. (NTP, 1992)

5.3Special protective actions for fire-fighters

Use water spray, foam, powder, carbon dioxide.

SECTION 6: Accidental release measures

6.1Personal precautions, protective equipment and emergency procedures

Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Ventilation. Collect leaking and spilled liquid in sealable containers as far as possible.

6.2Environmental precautions

Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Ventilation. Collect leaking and spilled liquid in sealable containers as far as possible.

6.3Methods and materials for containment and cleaning up

Collect and arrange disposal. Keep the chemical in suitable and closed containers for disposal. Remove all sources of ignition. Use spark-proof tools and explosion-proof equipment. Adhered or collected material should be promptly disposed of, in accordance with appropriate laws and regulations.

SECTION 7: Handling and storage

7.1Precautions for safe handling

NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

7.2Conditions for safe storage, including any incompatibilities

Separated from strong oxidants.

SECTION 8: Exposure controls/personal protection

8.1Control parameters

Occupational Exposure limit values

no data available

Biological limit values

no data available

8.2Appropriate engineering controls

Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Set up emergency exits and the risk-elimination area.

8.3Individual protection measures, such as personal protective equipment (PPE)

Eye/face protection

Wear safety spectacles.

Skin protection

Protective gloves. Protective clothing.

Respiratory protection

Use ventilation, local exhaust or breathing protection.

Thermal hazards

no data available

SECTION 9: Physical and chemical properties and safety characteristics

Physical state	Liquid.
Colour	Clear, colorless.
Odour	no data available
Melting point/freezing point	-45 °C. Atm. press.:1 013 mBar. Remarks:Pressure not stated in database; assumption: ambient conditions.
Boiling point or initial boiling point and boiling range	216 °C. Atm. press.:760 mm Hg.;103.5 °C. Atm. press.:10 mm Hg.;20 °C. Atm. press.:0.9 mm Hg.
Flammability	Combustible.
Lower and upper explosion limit/flammability limit	no data available
Flash point	106 °C. Atm. press.:101 kPa.
Auto-ignition temperature	190 °C. Atm. press.:999 hPa.
Decomposition temperature	no data available
pH	no data available
Kinematic viscosity	kinematic viscosity (in mm²/s) = 2.21. Temperature:20°C. Remarks:Kinematic viscosity.;dynamic viscosity (in mPa s) = 2.181. Temperature:20°C. Remarks:Dynamic viscosity.
Solubility	greater than or equal to 100 mg/mL at 70° F (NTP, 1992)
Partition coefficient n-octanol/water	log Pow = -0.52. Temperature:23 °C.
Vapour pressure	2.7 Pa. Temperature:20 °C.;4.5 Pa. Temperature:25 °C.;40 Pa. Temperature:50 °C.
Density and/or relative density	0.99 g/cm³. Temperature:20 °C.;0.93 g/cm³. Temperature:80 °C.
Relative vapour density	>4.7 (vs air)
Particle characteristics	no data available

SECTION 10: Stability and reactivity

10.1Reactivity

The substance can presumably form explosive peroxides. Reacts violently with strong oxidants.

10.2Chemical stability

no data available

10.3Possibility of hazardous reactions

TRIETHYLENE GLYCOL DIMETHYL ETHER forms explosive peroxides on prolonged exposure to air. Its decomposition products may be sensitive to shock. The bulk chemical is stable for 2 weeks at temperatures up to 140° F when protected from light. This chemical is incompatible with strong oxidizers. It is also incompatible with strong acids. It may react with peroxides, oxygen, nitric acid and sulfuric acid. (NTP, 1992).

10.4Conditions to avoid

no data available

10.5Incompatible materials

no data available

10.6Hazardous decomposition products

no data available

SECTION 11: Toxicological information

Acute toxicity

• Oral: no data available
• Inhalation: no data available
• Dermal: no data available

Skin corrosion/irritation

no data available

Serious eye damage/irritation

no data available

Respiratory or skin sensitization

no data available

Germ cell mutagenicity

no data available

Carcinogenicity

no data available

Reproductive toxicity

no data available

STOT-single exposure

no data available

STOT-repeated exposure

Animal tests show that this substance possibly causes toxicity to human reproduction or development.

Aspiration hazard

No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C.

SECTION 12: Ecological information

12.1Toxicity

• Toxicity to fish: LC50 - Danio rerio (previous name: Brachydanio rerio) - > 5 000 mg/L - 96 h.
• Toxicity to daphnia and other aquatic invertebrates: EC50 - Daphnia magna - > 5 000 mg/L - 48 h.
• Toxicity to algae: LOEC - Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum) - 6 000 mg/L - 72 h.
• Toxicity to microorganisms: EC10 - activated sludge of a predominantly domestic sewage - >= 5 000 mg/L - 3 h. Remarks:Test item.

12.2Persistence and degradability

no data available

12.3Bioaccumulative potential

no data available

12.4Mobility in soil

no data available

12.5Other adverse effects

no data available

SECTION 13: Disposal considerations

13.1Disposal methods

Product

The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

Contaminated packaging

Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

SECTION 14: Transport information

14.1UN Number

ADR/RID: Not dangerous goods. (For reference only, please check.)

IMDG: Not dangerous goods. (For reference only, please check.)

IATA: Not dangerous goods. (For reference only, please check.)

14.2UN Proper Shipping Name

ADR/RID: Not dangerous goods. (For reference only, please check.)

IMDG: Not dangerous goods. (For reference only, please check.)

IATA: Not dangerous goods. (For reference only, please check.)

14.3Transport hazard class(es)

ADR/RID: Not dangerous goods. (For reference only, please check.)

IMDG: Not dangerous goods. (For reference only, please check.)

IATA: Not dangerous goods. (For reference only, please check.)

14.4Packing group, if applicable

ADR/RID: Not dangerous goods. (For reference only, please check.)

IMDG: Not dangerous goods. (For reference only, please check.)

IATA: Not dangerous goods. (For reference only, please check.)

14.5Environmental hazards

ADR/RID: No

IMDG: No

IATA: No

14.6Special precautions for user

no data available

14.7Transport in bulk according to IMO instruments

no data available

SECTION 15: Regulatory information

15.1Safety, health and environmental regulations specific for the product in question

Chemical name	Common names and synonyms	CAS number	EC number
1,2-bis(2-methoxyethoxy)ethane	1,2-bis(2-methoxyethoxy)ethane	112-49-2	203-977-3
European Inventory of Existing Commercial Chemical Substances (EINECS)			Listed.
EC Inventory			Listed.
United States Toxic Substances Control Act (TSCA) Inventory			Listed.
China Catalog of Hazardous chemicals 2015			Not Listed.
New Zealand Inventory of Chemicals (NZIoC)			Listed.
Philippines Inventory of Chemicals and Chemical Substances (PICCS)			Listed.
Vietnam National Chemical Inventory			Listed.
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC)			Listed.
Korea Existing Chemicals List (KECL)			Listed.

SECTION 16: Other information

Information on revision

Creation Date	July 15, 2019
Revision Date	July 15, 2019

Abbreviations and acronyms

• CAS: Chemical Abstracts Service
• ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
• RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
• IMDG: International Maritime Dangerous Goods
• IATA: International Air Transportation Association
• TWA: Time Weighted Average
• STEL: Short term exposure limit
• LC50: Lethal Concentration 50%
• LD50: Lethal Dose 50%
• EC50: Effective Concentration 50%

 

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