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Aziridine (stabilized)

Item number688126
CAS151-56-4
FormulaC2H5N
Molecular weight43,08 g/mol
Quantity 1X100MG
storage conditions4 °C
CoA / MSDSRetrieve CoA
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Aziridine (stabilized)

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Aziridine (stabilized)

Aziridine (stabilized)

688126
151-56-4

1X100MG

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Safety Data Sheetaccording to Regulation (EC) No 1907/2006 (REACH)
Classifications according to Regulation (EC) No 1272/2008.
Printdate 22.12.2024
IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING
Product name:Aziridine (stabilized)
Catalog No.:688126
Relevant identified uses of the substance or mixtureIdentified: Laboratory chemical
uses: R&D
Uses advised against:HPC Standards GmbH
Am Wieseneck 7

04451 Cunnersdorf
Deutschland


Tel. +49 34291 3372-36
Fax. +49 34291 3372-39
contact@hpc-standards.com
Emergency telephone numberHPC Standards Tel. +49 34291 3372-36
This number is only available during office hours.
HAZARDS IDENTIFICATION2.1/2.2 Classification of the Substance or Mixture and Label Elements
GHS Hazards Classification (According to EU Regulation 1272/2008 and US OSHA 1910.1200)
Acute Toxicity, Oral (Category 4)
Sensitisation, Skin (Category 1)
Eye Damage/Irritation (Category 2A)
Hazardous to the Aquatic Environment, Acute Hazard (Category 2)
Hazardous to the Aquatic Environment, Long-Term Hazard (Category 2)

GHS Hazards Identification (According to EU Regulation 1272/2008 and US OSHA 1910.1200)
Signal Word Warning

GHS Hazard Statements
H302 Harmful if swallowed.
H317 May cause an allergic skin reaction.
H319 Causes serious eye irritation.
H401 Toxic to aquatic life.
H411 Toxic to aquatic life with long lasting effects.

GHS Precautionary Statements

P301/P312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
IF ON SKIN: Wash with plenty of soap and water

P302/P352 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.

P305/P351/P338 Collect spillage.
P391


Label elements
Pictogramflamme
flamme
GHS06 skull
skull
GHS08 silhouete
silhouete
GHS09 Aquatic-pollut-red
Aquatic-pollut-red
Unclassified Hazards/Hazards Not Otherwise Classified
No data available
COMPOSITION/INFORMATION ON INGREDIENTSSubstances
CAS number , Common name
151-56-4 Ethyleneimine
FormulaC2H5N
Molecular Weight (g/mol)43.08
CAS-No.151-56-4
FIRST AID MEASURESInhalation
Remove victim to fresh air and keep at rest in a position comfortable for breathing. Oxygen or
artificial respiration if needed. Do not use mouth-to-mouth method if victim inhaled the substance.
Induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other
proper respiratory medical device. Call a physician or poison control center immediately.

Skin contact
Remove contaminated clothing immediately and wash skin with soap and water. Call a physician
or poison control center immediately. Chemical burns must be treated by a physician. Wash
contaminated clothing before reuse.

Eye contact
Immediately flush eyes with plenty of water for at least 15 minutes. Remove contact lenses, if
present and easy to do. Continue rinsing. Call a physician or poison control center immediately.

Ingestion
Call a physician or poison control center immediately. Rinse mouth. Do not induce vomiting. If
vomiting occurs, keep head low so that stomach content doesnt get into the lungs. Do not use
mouth-to-mouth method if victim ingested the substance. Induce artificial respiration with the aid of
a pocket mask equipped with a one-way valve or other proper respiratory medical device.

Most important symptoms/effects, acute and delayed
Burning pain and severe corrosive skin damage. Causes serious eye damage. Symptoms may
include stinging, tearing, redness, swelling, and blurred vision. Permanent eye damage including
blindness could result. May cause an allergic skin reaction. Dermatitis. Rash.

Indication of immediate medical attention and special treatment needed
Provide general supportive measures and treat symptomatically. Thermal burns: Flush with water
immediately. While flushing, remove clothes which do not adhere to affected area. Call an
ambulance. Continue flushing during transport to hospital. Chemical burns: Flush with water
immediately. While flushing, remove clothes which do not adhere to affected area. Call an
ambulance. Continue flushing during transport to hospital. In case of shortness of breath, give
oxygen. Keep victim warm. Keep victim under observation. Symptoms may be delayed.

General information
Take off immediately all contaminated clothing. IF exposed or concerned: Get medical
advice/attention. Ensure that medical personnel are aware of the material(s) involved, and take
precautions to protect themselves. Wash contaminated clothing before reuse. Discard any shoes
or clothing items that cannot be decontaminated.
FIRE-FIGHTING MEASURESSuitable extinguishing media
Alcohol resistant foam. Water fog. Carbon dioxide (CO2). Dry chemical powder, carbon dioxide,
sand or earth may be used for small fires only

Do not use water jet as an extinguisher, as this will spread the fire. Carbon dioxide (CO2).Unsuitable extinguishing
media

Specific hazards arising from the chemical
Vapors may form explosive mixtures with air. Vapors may travel considerable distance to a source
of ignition and flash back. This product is a poor conductor of electricity and can become
electrostatically charged. If sufficient charge is accumulated, ignition of flammable mixtures can
occur. To reduce potential for static discharge, use proper bonding and grounding procedures.
This liquid may accumulate static electricity when filling properly grounded containers. Static
electricity accumulation may be significantly increased by the presence of small quantities of water
or other contaminants. Material will float and may ignite on surface of water. During fire, gases
hazardous to health may be formed.

Special protective equipment and precautions for firefighters
Self-contained breathing apparatus and full protective clothing must be worn in case of fire.

Fire fighting equipment/instructions
In case of fire and/or explosion do not breathe fumes. Move containers from fire area if you can do
so without risk.

Specific methods
Use standard firefighting procedures and consider the hazards of other involved materials.

General fire hazards
Highly flammable liquid and vapor.
ACCIDENTAL RELEASE MEASURESPersonal precautions, protective equipment and emergency procedures
Immediately evacuate personnel to safe areas. Keep unnecessary personnel away. Keep people
away from and upwind of spill/leak. Keep out of low areas. Eliminate all ignition sources (no
smoking, flares, sparks, or flames in immediate area). Wear appropriate protective equipment and
clothing during clean-up. Do not breathe vapor. Fully encapsulating, vapor protective clothing
should be worn for spills and leaks with no fire. Do not touch damaged containers or spilled
material unless wearing appropriate protective clothing. Ventilate closed spaces before entering
them. Use appropriate containment to avoid environmental contamination. Transfer by mechanical
means such as vacuum truck to a salvage tank or other suitable container for recovery or safe
disposal. Local authorities should be advised if significant spillages cannot be contained. For
personal protection, see section 8 of the SDS.

Methods and materials for containment and cleaning up
Eliminate all ignition sources (no smoking, flares, sparks, or flames in immediate area). Take
precautionary measures against static discharge. Use only non-sparking tools. Keep combustibles
(wood, paper, oil, etc.) away from spilled material. This product is miscible in water.

Large Spills: Stop the flow of material, if this is without risk. Dike the spilled material, where this is
possible. Cover with plastic sheet to prevent spreading. Use a non-combustible material like
vermiculite, sand or earth to soak up the product and place into a container for later disposal.
Prevent entry into waterways, sewer, basements or confined areas. Following product recovery,
flush area with water.

Small Spills: Wipe up with absorbent material (e.g. cloth, fleece). Clean surface thoroughly to
remove residual contamination.
Never return spills to original containers for re-use. For waste disposal, see section 13 of the SDS.

Environmental precautions
Avoid release to the environment. Contact local authorities in case of spillage to drain/aquatic
environment. Prevent further leakage or spillage if safe to do so. Do not contaminate water. Avoid
discharge into drains, water courses or onto the ground. Use appropriate containment to avoid
environmental contamination
HANDLING AND STORAGEPrecautions for safe handling
Obtain special instructions before use. Do not handle until all safety precautions have been read
and understood. Vapors may form explosive mixtures with air. Do not handle, store or open near
an open flame, sources of heat or sources of ignition. Protect material from direct sunlight.
Minimize fire risks from flammable and combustible materials (including combustible dust and
static accumulating liquids) or dangerous reactions with incompatible materials. Handling
operations that can promote accumulation of static charges include but are not limited to: mixing,
filtering, pumping at high flow rates, splash filling, creating mists or sprays, tank and container
filling, tank cleaning, sampling, gauging, switch loading, vacuum truck operations. Take
precautionary measures against static discharges. All equipment used when handling the product
must be grounded. Use non-sparking tools and explosion-proof equipment. Do not breathe vapor.
Do not get this material in contact with eyes. Do not get this material in contact with skin. Do not
taste or swallow. Avoid prolonged exposure. Do not get this material on clothing. Use only
outdoors or in a well-ventilated area. Wear appropriate personal protective equipment. Observe
good industrial hygiene practices. When using, do not eat, drink or smoke. Wash hands
thoroughly after handling. Wash contaminated clothing before reuse. Avoid release to the
environment. Do not empty into drains.

For additional information on equipment bonding and grounding, refer to the Canadian Electrical
Code in Canada, (CSA C22.1), or the American Petroleum Institute (API) Recommended Practice
2003, "Protection Against Ignitions Arising out of Static, Lightning, and Stray Currents" or National
Fire Protection Association (NFPA) 77, "Recommended Practice on Static Electricity" or National
Fire Protection Association (NFPA) 70, "National Electrical Code".

Conditions for safe storage, including any incompatibilities
Store locked up. Keep away from heat, sparks and open flame. Prevent electrostatic charge
build-up by using common bonding and grounding techniques. Avoid spark promoters. Eliminate
sources of ignition. Ground/bond container and equipment. These alone may be insufficient to
remove static electricity. Store in original tightly closed container. Store in a cool, dry place out of
direct sunlight. Store in a well-ventilated place. Refrigeration recommended. Store away from
incompatible materials (see Section 10 of the SDS). Keep in an area equipped with sprinklers
EXPOSURE CONTROLS/PERSONAL PROTECTIONOccupational exposure limits

US. ACGIH Threshold Limit Values

Material Type Value
Ethyleneimine
(CAS 151-56-4) STEL 0.1 ppm
TWA 0.05 ppm

Biological limit values - No biological exposure limits noted for the ingredient(s).

Exposure guidelines
US - California OELs: Skin designation
Ethyleneimine (CAS 151-56-4) Can be absorbed through the skin.

US - Minnesota Haz Subs: Skin designation applies
Ethyleneimine (CAS 151-56-4) Skin designation applies.

US ACGIH Threshold Limit Values: Skin designation
Ethyleneimine (CAS 151-56-4) Can be absorbed through the skin.

Appropriate engineering controls
Explosion-proof general and local exhaust ventilation. Good general ventilation (typically 10 air
changes per hour) should be used. Ventilation rates should be matched to conditions. If
applicable, use process enclosures, local exhaust ventilation, or other engineering controls to
maintain airborne levels below recommended exposure limits. If exposure limits have not been
established, maintain airborne levels to an acceptable level. Eye wash facilities and emergency
shower must be available when handling this product.

Skin protection
Individual protection measures, such as personal protective equipment

Eye/face protection
Wear eye/face protection. Wear safety glasses with side shields (or goggles) and a face shield.

Hand protection Wear appropriate chemical resistant gloves.

Other Wear appropriate chemical resistant clothing.

Respiratory protection Wear positive pressure self-contained breathing apparatus (SCBA).

Thermal hazards Wear appropriate thermal protective clothing, when necessary.

General hygiene consideration
When using, do not eat, drink or smoke. Do not get this material on clothing. Always observe good
personal hygiene measures, such as washing after handling the material and before eating,
drinking, and/or smoking. Routinely wash work clothing and protective equipment to remove
contaminants. Contaminated work clothing should not be allowed out of the workplace.

PHYSICAL AND CHEMICAL PROPERTIESPhysical and chemical properties
Appearance
Liquid.

Physical state
LiquidForm

ColorlessColor

Odor threshold Not available.
pH Not available.
Melting point/freezing point -96.7 °F (-71.5 °C)
Initial boiling point and boiling range 131 - 132.8 °F (55 - 56 °C) 101.325 kPa
Flash point 12.0 °F (-11.1 °C) Closed Cup

Evaporation rate Not available.
.Flammability (solid, gas) Not available
Upper/lower flammability or explosive limits
Flammability limit - lower (%) Not available.
Flammability limit - upper (%) Not available.

Explosive limit - lower (%) Not available.
Explosive limit - upper (%) Not available.
Vapor pressure 28.4 kPa at 25 °C
Vapor density 1.48
Relative density Not available.
Solubility(ies)
Solubility (water) Miscible
Partition coefficient (n-octanol/water) Not available.
Auto-ignition temperature 612 °F (322.22 °C)
Decomposition temperature Not available.
Viscosity Not available.
Other information
Density 0.832 g/cm3 estimated
Flammability class Flammable IB estimated
Molecular formula C2-H5-N
Molecular weight 43.08 g/mol
Specific gravity 0.83 at 24 °C
STABILITY AND REACTIVITYStability and reactivity
The product is stable and non-reactive under normal conditions of use, storage and transport.Reactivity

Chemical stability
Material is stable under normal conditions.

Possibility of hazardous reactions
Hazardous polymerization does not occur.

Conditions to avoid
Avoid heat, sparks, open flames and other ignition sources. Avoid temperatures exceeding the flash point. Contact with incompatible materials.

Incompatible materials Strong oxidizing agents.
Hazardous decomposition products No hazardous decomposition products are known.

TOXICOLOGICAL INFORMATION11. Toxicological information
Information on likely routes of exposure
Inhalation Fatal if inhaled.
Skin contact Fatal in contact with skin. Causes severe skin burns. May cause an allergic skin reaction.
Eye contact Causes serious eye damage.
Ingestion Fatal if swallowed. Causes digestive tract burns.
Symptoms related to the physical, chemical and toxicological characteristics
Burning pain and severe corrosive skin damage. Causes serious eye damage. Symptoms may
include stinging, tearing, redness, swelling, and blurred vision. Permanent eye damage including
blindness could result. May cause an allergic skin reaction. Dermatitis. Rash.
Information on toxicological effects
Acute toxicity Fatal if inhaled. Fatal in contact with skin. Fatal if swallowed. May cause an allergic skin reaction.
Expected to be a low hazard for usual industrial or commercial handling by trained personnel.


Product Species Test Results
Ethyleneimine (CAS 151-56-4)
Acute
Dermal
LD50 Guinea pig 14 mg/kg
14 ml/kg
Rabbit 13 mg/kg
Rat 12.45 mg/kg
Inhalation
LC50 Cat 250 mg/l, 30 Minutes
Guinea pig 25 - 50 ppm, 4 Hours
Mouse 3.93 mg/l, 10 Minutes
0.4 mg/l, 2 Hours
Rabbit 50 mg/l, 30 Minutes
0.1 mg/l, 2 Hours
Rat > 1.8 mg/l, 30 Minutes
100 mg/m3
25 - 50 ppm, 4 Hours
0.1 mg/l, 2 Hours
Oral
LD50 Rat 4.814 mg/kg

Other
LD50 Mouse 4 mg/kg
Rat 3.5 mg/kg

* Estimates for product may be based on additional component data not shown.

Causes severe skin burns and eye damage.Skin corrosion/irritation
Causes serious eye damage.Serious eye damage/eye irritation
Respiratory or skin sensitization
Respiratory sensitization Not available.
May cause an allergic skin reaction.Skin sensitization
May cause genetic defects.Germ cell mutagenicity
Carcinogenicity May cause cancer.
IARC Monographs. Overall Evaluation of Carcinogenicity
Ethyleneimine (CAS 151-56-4) 2B Possibly carcinogenic to humans.

US. OSHA Specifically Regulated Substances (29 CFR 1910.1001-1050)
Ethyleneimine (CAS 151-56-4) Cancer

Reproductive toxicity This product is not expected to cause reproductive or developmental effects
Specific target organ toxicity single exposure Not classified.
Specific target organ toxicity - repeated exposure Not classified.
Aspiration hazard Not available.
Chronic effects Prolonged inhalation may be harmful. Prolonged exposure may cause chronic effects.

ECOLOGICAL INFORMATION Ecological information
Ecotoxicity Toxic to aquatic life with long lasting effects. Accumulation in aquatic organisms is expected.
No data is available on the degradability of this product.Persistence and degradability
No data available.Bioaccumulative potential
No data available.Mobility in soil
Other adverse effects No other adverse environmental effects (e.g. ozone depletion, photochemical ozone creation
potential, endocrine disruption, global warming potential) are expected from this component
DISPOSAL CONSIDERATIONSDisposal considerations
Disposal instructions
Collect and reclaim or dispose in sealed containers at licensed waste disposal site. This material
and its container must be disposed of as hazardous waste. Do not allow this material to drain into
sewers/water supplies. Do not contaminate ponds, waterways or ditches with chemical or used
container. Dispose of contents/container in accordance with local/regional/national/international
regulations.

.Local disposal regulations Dispose in accordance with all applicable regulations

Hazardous waste code
The waste code should be assigned in discussion between the user, the producer and the waste
disposal company.

Hazardous waste code
US RCRA Hazardous Waste P List: Reference
Ethyleneimine (CAS 151-56-4) P054

Waste from residues / unused products

Dispose of in accordance with local regulations. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe manner (see:
Disposal instructions).

Empty containers should be taken to an approved waste handling site for recycling or disposal.
Since emptied containers may retain product residue, follow label warnings even after container is
emptied
TRANSPORT INFORMATIONTransport information
DOT
UN1185 UN number
Ethyleneimine, stabilizedUN proper shipping name
Class 6.1(PGI, II)
Transport hazard class(es)
Subsidiary risk 3
Label(s) 6.1, 3

Packing group I
Read safety instructions, SDS and emergency procedures before handling.Special precautions for user
1, B9, B14, B30, B77, N25, N32, T22, TP2, TP13, TP38, TP44 Special provisions
NonePackaging exceptions
226Packaging non bulk
244 Packaging bulk
IATA
UN1185UN number
Ethyleneimine, stabilizedUN proper shipping name

Transport hazard class(es)
Class 6.1(PGIII)
Subsidiary risk 3
Packing group Not applicable.
Environmental hazards No.
6FH ERG Code
Read safety instructions, SDS and emergency procedures before handling
REGULATORY INFORMATIONEurope
European Inventory of Existing Commercial Chemical Substances (EINECS) No
Europe European List of Notified Chemical Substances (ELINCS) Yes

"Yes" indicates that all components of this product comply with the inventory requirements administered by the governing country(s)
"No" indicates that one or more components of the product are not listed or exempt from listing on the inventory administered by the governing
country(s).
OTHER INFORMATIONThe above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any
guarantee of the properties of the product. For lab use only!