Chemical Safety Data Sheet MSDS / SDS
ETHYL 1-(2,4-DIFLUOROPHENYL)-7-CHORO-6-FLUORO-4-OXO-HYDROPYRIDINO[2,3-B] PYRIDINE-3-CARBOXYLATE
Revision Date:2026-03-20Revision Number:1
Product identifier
- Product name: ETHYL 1-(2,4-DIFLUOROPHENYL)-7-CHORO-6-FLUORO-4-OXO-HYDROPYRIDINO[2,3-B] PYRIDINE-3-CARBOXYLATE
- CBnumber: CB2461449
- CAS: 100491-29-0
- EINECS Number: 422-360-1
- Synonyms: 7-Chloro-1-(2,4-difluorophenyl)-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid ethyl ester
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
P501 Dispose of contents/container to..…
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
P272 Contaminated work clothing should not be allowed out of the workplace.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P391 Collect spillage. Hazardous to the aquatic environment
P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention.
Hazard statements
H411 Toxic to aquatic life with long lasting effects
H317 May cause an allergic skin reaction
Substance
- Product name: ETHYL 1-(2,4-DIFLUOROPHENYL)-7-CHORO-6-FLUORO-4-OXO-HYDROPYRIDINO[2,3-B] PYRIDINE-3-CARBOXYLATE
- Synonyms: 7-Chloro-1-(2,4-difluorophenyl)-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid ethyl ester
- CAS: 100491-29-0
- EC number: 422-360-1
- MF: C17H10ClF3N2O3
- MW: 382.72
If inhaled
Remove person to fresh air and keep comfortable for breathing. Get medical advice/ attention if you feel unwell.
In case of skin contact
Take off all contaminated clothing immediately. Wash off with plenty of water. If skin irritation or rash occurs: Get medical advice/ attention.
In case of eye contact
Rinse with plenty of water. If easy to do, remove contact lens, if worn. If eye irritation persists: Get medical advice/ attention.
If swallowed
Get medical advice/ attention. Rinse mouth.
Most important symptoms and effects, both acute and delayed
None known.
Suitable extinguishing media
Dry powder, Foam, Water spray, Carbon dioxide (CO2)
Specific hazards during fire fighting
No information available.
Specific extinguishing methods
Use extinguishing measures that are appropriate to local circumstances and the surrounding environment. Immediately evacuate personnel to safe areas. Remove undamaged containers from fire area if it is safe to do so.
Special protective equipment for fire-fighters
Use personal protective equipment.
NFPA 704
2
0
0
| HEALTH | 2 | Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury (e.g. diethyl ether, ammonium phosphate, iodine) | |
| FIRE | 0 | Materials that will not burn under typical fire conditions, including intrinsically noncombustible materials such as concrete, stone, and sand. Materials that will not burn in air when exposed to a temperature of 820 °C (1,500 °F) for a period of 5 minutes.(e.g. Carbon tetrachloride) | |
| REACT | 0 | Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2) | |
| SPEC. HAZ. |
Personal precautions, protective equipment and emergency procedures
Wear suitable protective equipment. Keep people away from and upwind of spill/leak. Entry to non-involved personnel should be controlled around the leakage area by roping off, etc.
Environmental precautions
Should not be released into the environment.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust.
Handling
Technical measuresPrevent dispersion of dust.
Local/Total ventilation
Ensure adequate ventilation. Use a local exhaust ventilation.
Advice on safe handling
Avoid contact with skin, eyes and clothing. Wear personal protective equipment. Wash hands and face thoroughly after handling.
Avoidance of contact
Oxidizing agents
Storage
Conditions for safe storageKeep container tightly closed. Store in a cool and shaded area.
Ingredients with workplace control parameters
Contains no substances with occupational exposure limit values.
Engineering measures
Install a closed system or local exhaust.
Also install safety shower and eye bath.
Also install safety shower and eye bath.
Personal protective equipment
Respiratory protectionDust mask
Eye/face protection
Safety glasses
Face-shield
Skin and body protection
Face-shield
Protective suit
Hand protection
Protective gloves *Use personal protective equipment(PPE) approved under appropriate government standards and follow local and national regulations.
Information on basic physicochemical properties
- Physical stateSolid
- Density and/or relative density1.4752 (estimate)
- Molecular weight382.72 g/mol
- Viscosity, kinematicNo data available
- Viscosity, dynamicNo data available
- Decomposition temperatureNo data available
- Autoignition temperatureNo data available
- Partition coefficient: n-octanol/waterNo data available
- Solubility in other solventsDMSO (Slightly, Heated), Methanol (Very Slightly, Heated)
- Water solubilityNo data available
- Solubility(ies)DMSO (Slightly, Heated), Methanol (Very Slightly, Heated)
- Vapor pressureNo data available
- Lower explosion limit / Lower flammability limitNo data available
- Upper explosion limit / Upper flammability limitNo data available
- FlammabilityNo data available
- Evaporation rateNo data available
- Flash pointNo data available
- Boiling point/boiling range502.5±50.0 °C(Predicted)
- Melting point/freezing point215 °C
- pHNo data available
- Odor ThresholdNo data available
- OdorNo data available
- Colorwhite - yellow
- Appearancesolid
Reactivity
No data available
Chemical stability
Stable under normal conditions.
Possibility of hazardous reactions
None under normal processing.
Incompatible materials
Oxidizing agents
Hazardous decomposition products
Carbon monoxide, Carbon dioxide (CO2), Nitrogen oxides (NOx), Hydrogen chloride gas, Hydrogen fluoride
Acute toxicity
Classified based on available data. For more details, see section 2.
Skin corrosion/irritation
Classified based on available data. For more details, see section 2.
Serious eye damage/eye irritation
Classified based on available data. For more details, see section 2.
Respiratory or skin sensitization
Product
Assessment
May cause sensitization by skin contact.
Components
Ethyl 7-Chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate
Assessment
May cause sensitization by skin contact.
Germ cell mutagenicity
Classified based on available data. For more details, see section 2.
Carcinogenicity
Classified based on available data. For more details, see section 2.
Reproductive toxicity
Classified based on available data. For more details, see section 2.
STOT-single exposure
Classified based on available data. For more details, see section 2.
STOT-repeated exposure
Classified based on available data. For more details, see section 2.
Repeated dose toxicity
Classified based on available data. For more details, see section 2.
Aspiration toxicity
Classified based on available data. For more details, see section 2.
Ecotoxicity
Product:
Ecotoxicology Assessment
Acute aquatic toxicityToxic to aquatic life.
Chronic aquatic toxicity
Toxic to aquatic life with long lasting effects.
Components:
Ethyl 7-Chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate:
Ecotoxicology Assessment
Acute aquatic toxicityToxic to aquatic life.
Chronic aquatic toxicity
Toxic to aquatic life with long lasting effects.
Persistence and degradability
No data available
Bioaccumulative potential
No data available
Mobility in soil
No data available
Other adverse effects
No data available
Disposal methods
Waste from residuesDisposal in accordance with local and national regulations. Entrust disposal to a licensed waste disposal company.
Contaminated packaging
Disposal in accordance with local and national regulations. Before disposal of used container, remove contents completely.
International Regulations
IATA-DGR
UN/ID No.UN 3077
Proper shipping name
Environmentally hazardous substance, solid, n.o.s.
Class
9
Packing group
III
IMDG-Code
UN numberUN 3077
Proper shipping name
ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S.
Class
9
Packing group
III
EmS Code
F-A, S-F
Domestic regulation
GB 6944/12268
UN numberUN 3077
Proper shipping name
ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S.
Class
9
Packing group
III
Measures on the Environmental Administration of New Chemical Substances Registration
Registration/Notification numberB1A232216059
Downstream users need to comply with the conditions of safe use of the chemical, understand the environmental and health hazard and risk management measures identified on the SDS as well as the local/national regulations concerning the chemical.
Downstream users need to comply with the conditions of safe use of the chemical, understand the environmental and health hazard and risk management measures identified on the SDS as well as the local/national regulations concerning the chemical.
The ingredients of this product are reported in the following inventories
CH BAGREGNot in compliance with the inventory
TSCA
Substance(s) not listed on TSCA inventory
AICS
Not in compliance with the inventory
DSL
This product contains the following components that are not on the
Canadian DSL nor NDSL.
Ethyl 7-Chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8naphthyridine-3-carboxylate
ENCS
Canadian DSL nor NDSL.
Ethyl 7-Chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8naphthyridine-3-carboxylate
Not in compliance with the inventory
ISHL
On the inventory, or in compliance with the inventory
KECI
Not in compliance with the inventory
PICCS
Not in compliance with the inventory
IECSC
Not in compliance with the inventory
NZIoC
Not in compliance with the inventory
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.
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