Chemical Safety Data Sheet MSDS / SDS
N-ethyl-N-[2-[1-(2-methylpropoxy)ethoxy]ethyl]-4-(phenylazo)aniline
Revision Date:2026-05-31Revision Number:1
Product identifier
- Product name: N-ethyl-N-[2-[1-(2-methylpropoxy)ethoxy]ethyl]-4-(phenylazo)aniline
- CBnumber: CB8920432
- CAS: 34432-92-3
- EINECS Number: 252-021-1
- Synonyms: Solventvellow124
Relevant identified uses of the substance or mixture and uses advised against
- Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
- Uses advised against: none
Company Identification
- Company: Chemicalbook
- Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
- Telephone: 010-86108875
GHS Label elements, including precautionary statements
-
Symbol(GHS)
- Signal wordWarning
P273 Avoid release to the environment.
Hazard statements
H413 May cause long lasting harmful effects to aquatic life
H302 Harmful if swallowed
Substance
- Product name: N-ethyl-N-[2-[1-(2-methylpropoxy)ethoxy]ethyl]-4-(phenylazo)aniline
- Synonyms: Solventvellow124
- CAS: 34432-92-3
- EC number: 252-021-1
- MF: C22H31N3O2
- MW: 369.5
4.1 Description of first-aid measures
General adviceShow this material safety data sheet to the doctor in attendance.
If inhaled
After inhalation: fresh air. Call in physician.
In case of skin contact
In case of skin contact: Take off immediately all contaminated clothing. Rinse skin with water/ shower. Consult a physician.
In case of eye contact
After eye contact: rinse out with plenty of water. Call in ophthalmologist. Remove contact lenses.
If swallowed
After swallowing: immediately make victim drink water (two glasses at most). Consult a physician.
4.2 Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2) and/or in section 11
4.3 Indication of any immediate medical attention and special treatment needed
No data available
4.4 Notes to physician
No data available
5.1 Extinguishing media
Suitable extinguishing mediaWater Foam Carbon dioxide (CO2) Dry powder
Unsuitable extinguishing media
For this substance/mixture no limitations of extinguishing agents are given.
5.2 Special hazards arising from the substance or mixture
Carbon oxides
Nitrogen oxides (NOx)
Combustible.
Development of hazardous combustion gases or vapours possible in the event of fire.
Nitrogen oxides (NOx)
Combustible.
Development of hazardous combustion gases or vapours possible in the event of fire.
5.3 Advice for firefighters
Stay in danger area only with self-contained breathing apparatus. Prevent skin contact by keeping a safe distance or by wearing suitable protective clothing.
Suppress (knock down) gases/vapors/mists with a water spray jet. Prevent fire extinguishing water from contaminating surface water or the ground water system.
Suppress (knock down) gases/vapors/mists with a water spray jet. Prevent fire extinguishing water from contaminating surface water or the ground water system.
6.1 Personal precautions, protective equipment and emergency procedures
Advice for non-emergency personnel: Avoid inhalation of dusts. Avoid substance contact.
Ensure adequate ventilation. Evacuate the danger area, observe emergency procedures, consult an expert.
For personal protection see section 8.
Ensure adequate ventilation. Evacuate the danger area, observe emergency procedures, consult an expert.
For personal protection see section 8.
6.2 Environmental precautions
Do not let product enter drains.
6.3 Methods and materials for containment and cleaning up
Cover drains. Collect, bind, and pump off spills. Observe possible material restrictions (see sections 7 and 10). Take up dry. Dispose of properly. Clean up affected area. Avoid generation of dusts.
6.4 Reference to other sections
For disposal see section 13.
7.1 Precautions for safe handling
For precautions see section 2.2.
7.2 Conditions for safe storage, including any incompatibilities
Storage conditionsTightly closed. Dry.
Storage stability
Recommended storage temperature 2 - 8 °C
Storage class
Storage class (TRGS 510): 11: Combustible Solids
8.1 Control parameters
Ingredients with workplace control parametersContains no substances with occupational exposure limit values.
8.2 Exposure controls
Appropriate engineering controlsImmediately change contaminated clothing. Apply preventive skin protection. Wash hands and face after working with substance.
Personal protective equipment
Eye/face protection
Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Safety glasses
Skin protection
This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN 16523-1 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell,
Internet: www.kcl.de).
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:KCL 741 L
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:KCL 741 L
Internet: www.kcl.de).
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:KCL 741 L
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:KCL 741 L
Body Protection
protective clothing
Respiratory protection
required when dusts are generated.
Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.
Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.
Control of environmental exposure
Do not let product enter drains.
Information on basic physicochemical properties
- a) Physical statesolid
- b) Coloryellow
- c) OdorNo data available
- d) Melting point/freezing pointNo data available
- e) Initial boiling point and boiling range488.9±35.0 °C(Predicted)
- f) Flammability (solid, gas)No data available
- g) Upper/lower flammability or explosive limitsNo data available
- h) Flash pointNot applicable
- i) Autoignition temperatureNo data available
- j) Decomposition temperatureNo data available
- k) pHNo data available
- l) ViscosityViscosity, kinematic: No data available
Viscosity, dynamic: No data available - m) Water solubility30μg/L at 20℃
- n) Partition coefficient n-octanol/waterlog Pow: 6.081
- o) Vapor pressure10.9hPa at 20℃
- p) Density1.051[at 20℃]
- Relative density1.051[at 20℃]
- q) Relative vapor densityNo data available
- r) Particle characteristicsNo data available
- s) Explosive propertiesNo data available
- t) Oxidizing propertiesnone
9.2 Other safety information
No data available
10.1 Chemical stability
The product is chemically stable under standard ambient conditions (room temperature) .
10.2 Possibility of hazardous reactions
Violent reactions possible with:
Strong oxidizing agents
Strong oxidizing agents
10.3 Conditions to avoid
no information available
10.4 Incompatible materials
No data available
10.5 Hazardous decomposition products
In the event of fire: see section 5
11.1 Information on toxicological effects
Acute toxicityLD50 Oral - Rat - female - 300 - 2,000 mg/kg (EC Directive 96/54/EC B.1tris)
Inhalation: No data available
LD50 Dermal - Rat - male and female - > 2,000 mg/kg (Regulation (EC) No. 440/2008, Annex, B.3)
Skin corrosion/irritation
Inhalation: No data available
LD50 Dermal - Rat - male and female - > 2,000 mg/kg (Regulation (EC) No. 440/2008, Annex, B.3)
Skin - Rabbit
Result: No skin irritation - 4 h (OECD Test Guideline 404)
Serious eye damage/eye irritation
Result: No skin irritation - 4 h (OECD Test Guideline 404)
Eyes - Bovine cornea
Result: No eye irritation - 10 min (OECD Test Guideline 437)
Respiratory or skin sensitization
Result: No eye irritation - 10 min (OECD Test Guideline 437)
Local lymph node assay (LLNA) - Mouse
Result: positive (OECD Test Guideline 429)
Germ cell mutagenicity
Result: positive (OECD Test Guideline 429)
Test Type: In vitro mammalian cell gene mutation test
Test system: mouse lymphoma cells
Metabolic activation: with and without metabolic activation
Method: OECD Test Guideline 476
Result: negative
Test Type: Ames test
Test system: Escherichia coli/Salmonella typhimurium
Metabolic activation: with and without metabolic activation
Method: Regulation (EC) No. 440/2008, Annex, B.13/14 (Ames test)
Result: negative
Test Type: Chromosome aberration test in vitro
Test system: Chinese hamster lung cells
Metabolic activation: with and without metabolic activation
Result: negative
Remarks: (ECHA)
Test Type: Micronucleus test
Species: Mouse
Cell type: Bone marrow
Application Route: Oral
Method: OECD Test Guideline 474
Result: negative
Carcinogenicity
Test system: mouse lymphoma cells
Metabolic activation: with and without metabolic activation
Method: OECD Test Guideline 476
Result: negative
Test Type: Ames test
Test system: Escherichia coli/Salmonella typhimurium
Metabolic activation: with and without metabolic activation
Method: Regulation (EC) No. 440/2008, Annex, B.13/14 (Ames test)
Result: negative
Test Type: Chromosome aberration test in vitro
Test system: Chinese hamster lung cells
Metabolic activation: with and without metabolic activation
Result: negative
Remarks: (ECHA)
Test Type: Micronucleus test
Species: Mouse
Cell type: Bone marrow
Application Route: Oral
Method: OECD Test Guideline 474
Result: negative
Classified based on available data. For more details, see section 2
Reproductive toxicity
Suspected of damaging the unborn child.
Suspected of damaging fertility.
Specific target organ toxicity - single exposure
Suspected of damaging fertility.
Classified based on available data. For more details, see section 2
Specific target organ toxicity - repeated exposure
Oral - May cause damage to organs through prolonged or repeated exposure.
- Blood
Aspiration hazard
- Blood
Classified based on available data. For more details, see section 2
11.2 Additional Information
Repeated dose toxicity - Rat - male and female - Oral - 90 Days - NOAEL (No observed adverse effect level) - 10 mg/kg - LOAEL (Lowest observed adverse effect level) - > 1,000 mg/kg
12.1 Toxicity
Toxicity to fish static test LC50 - Poecilia reticulata (guppy) - >= 16.8 mg/l - 96 h (Directive 67/548/EEC, Annex V, C.1.)
Toxicity to daphnia static test EC50 - Daphnia magna (Water flea) - > 100 mg/l - 48 h and other aquatic (OECD Test Guideline 202) invertebrates
Toxicity to algae static test ErC50 - Desmodesmus subspicatus (green algae) - 58.5 mg/l - 72 h (Regulation (EC) No. 440/2008, Annex, C.3)
Toxicity to bacteria static test EC50 - activated sludge - 1,000 mg/l - 3 h
Remarks: (ECHA)
Toxicity to flow-through test NOEC - Danio rerio (zebra fish) - 0.001 mg/l - 30 fish(Chronic toxicity) d (OECD Test Guideline 210)
Toxicity to daphnia flow-through test LC50 - Daphnia magna (Water flea) - 0.022 mg/l - and other aquatic 21 d invertebrates(Chronic (OECD Test Guideline 211) toxicity)
Toxicity to daphnia static test EC50 - Daphnia magna (Water flea) - > 100 mg/l - 48 h and other aquatic (OECD Test Guideline 202) invertebrates
Toxicity to algae static test ErC50 - Desmodesmus subspicatus (green algae) - 58.5 mg/l - 72 h (Regulation (EC) No. 440/2008, Annex, C.3)
Toxicity to bacteria static test EC50 - activated sludge - 1,000 mg/l - 3 h
Remarks: (ECHA)
Toxicity to flow-through test NOEC - Danio rerio (zebra fish) - 0.001 mg/l - 30 fish(Chronic toxicity) d (OECD Test Guideline 210)
Toxicity to daphnia flow-through test LC50 - Daphnia magna (Water flea) - 0.022 mg/l - and other aquatic 21 d invertebrates(Chronic (OECD Test Guideline 211) toxicity)
12.2 Persistence and degradability
Biodegradability aerobic - Exposure time 28 d
Result: 10 % - Not readily biodegradable.
(OECD Test Guideline 301B)
Result: 10 % - Not readily biodegradable.
(OECD Test Guideline 301B)
12.3 Bioaccumulative potential
Bioaccumulation Pimephales promelas (fathead minnow) - 14 d at 22.1 °C(Solvent Yellow 124)
Bioconcentration factor (BCF): < 0.01 (OECD Test Guideline 305)
Bioconcentration factor (BCF): < 0.01 (OECD Test Guideline 305)
12.4 Mobility in soil
No data available
12.5 Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
12.6 Endocrine disrupting properties
No data available
12.7 Other adverse effects
No data available
13.1 Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company.
Offer surplus and non-recyclable solutions to a licensed disposal company.
14.1 UN number
ADR/RID: 3077
IMDG: 3077
IATA-DGR: 3077
IMDG: 3077
IATA-DGR: 3077
14.2 UN proper shipping name
ADR/RID: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Solvent
Yellow 124)
IMDG: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Solvent
Yellow 124)
IATA-DGR: Environmentally hazardous substance, solid, n.o.s. (Solvent Yellow 124)
Yellow 124)
IMDG: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Solvent
Yellow 124)
IATA-DGR: Environmentally hazardous substance, solid, n.o.s. (Solvent Yellow 124)
14.3 Transport hazard class(es)
ADR/RID: 9
IMDG: 9
IATA-DGR: 9
IMDG: 9
IATA-DGR: 9
14.4 Packaging group
ADR/RID: III
IMDG: III
IATA-DGR: III
IMDG: III
IATA-DGR: III
14.5 Environmental hazards
ADR/RID: yes
IMDG Marine pollutant: yes
IATA-DGR: yes
IMDG Marine pollutant: yes
IATA-DGR: yes
14.6 Special precautions for user
14.7 Incompatible materials
Further information: EHS-Mark required (ADR 2.2.9.1.10, IMDG code 2.10.3) for single packagings and combination packagings containing inner packagings with Dangerous Goods > 5L for liquids or > 5kg for solids.Packages smaller than or equal to 5 kg / L , not dangerous goods of
Class 9
Class 9
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
National regulatory information
Other regulations
Please pay attention on the waste treatment should also comply with local regulations requirement.
Other regulations
Please pay attention on the waste treatment should also comply with local regulations requirement.
Abbreviations and acronyms
CAS: Chemical Abstracts Service
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
Disclaimer:
The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.