33142-21-1

33142-21-1 structure

Name: Ethyl (chloroformyl)acetate
Chemical Name: ethyl 2-chloro-3-oxopropanoate
CAS Number: 33142-21-1
Molecular Formula: C₅H₇ClO₃
Molecular Weight: 150.560
Create Date: 2018-10-01 11:42:20
Modify Date: 2024-01-02 10:02:41

Name	ethyl 2-chloro-3-oxopropanoate
Synonyms	Propanoic acid, 2-chloro-3-oxo-, ethyl ester ETHYL 2-CHLORO-2-FORMYLACETATE 2-Chloro-3-oxopropanoic acid ethyl ester Ethyl 2-chloro-3-oxopropanoate Ethyl 3-chloro-3-oxopropanoate ethyl formylchloroacetate Propanoic acid, 3-chloro-3-oxo-, ethyl ester Ethyl2-Chloro-3-oxopropanoate ethyl 2-(chlorocarbonyl)acetate ethyl 2-formyl-2-chloro-acetate ethyl 2-chloro-3-oxo-propionate Ethyl chloroformylacetate 2-chloro-3-oxo-propionic acid ethyl ester chlorocarboethoxyacetaldehyde Ethyl (chloroformyl)acetate EINECS 251-390-6

Density	1.2±0.1 g/cm3
Boiling Point	172.5±25.0 °C at 760 mmHg
Molecular Formula	C₅H₇ClO₃
Molecular Weight	150.560
Flash Point	68.2±22.2 °C
Exact Mass	150.008377
PSA	43.37000
LogP	1.02
Vapour Pressure	1.3±0.3 mmHg at 25°C
Index of Refraction	1.431

Material Safety Data Sheet

Section1. Identiﬁcation of the substance
Product Name: Ethyl 2-chloro-3-oxopropanoate
Synonyms:

Section2. Hazards identiﬁcation
Harmful by inhalation, in contact with skin, and if swallowed.

Section3. Composition/information on ingredients.
Ingredient name:Ethyl 2-chloro-3-oxopropanoate
CAS number:33142-21-1

Section4. First aid measures
Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
ﬂushing of the eyes by separating the eyelids with ﬁngers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.

Section5. Fire ﬁghting measures
In the event of a ﬁre involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.

Section6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.

Section7. Handling and storage
Handling:This product should be handled only by, or under the close supervision of, those properly qualiﬁed
in the handling and use of potentially hazardous chemicals, who should take into account the ﬁre,
health and chemical hazard data given on this sheet.
Store in closed vessels, refrigerated.
Storage:

Section8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

Section9. Physical and chemical properties
Appearance:Not speciﬁed
Boiling point:No data
No data
Melting point:
Flash point:No data
Density:No data
Molecular formula:C5H7ClO3
Molecular weight:150.6

Section10. Stability and reactivity
Conditions to avoid: Heat, ﬂames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, hydrogen chloride.

Section11. Toxicological information
No data.

Section12. Ecological information
No data.

Section13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.

Section14. Transportation information
Non-harzardous for air and ground transportation.

Section15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.

SECTION 16 - ADDITIONAL INFORMATION
N/A

HS Code	2918300090

105-39-5

109-94-4

~99%

33142-21-1

Literature: INTELLIKINE, LLC; MARTIN, Michael; WORRALL, Christopher, Peter; GANCEDO, Susanna, Del Rio; REN, Pingda Patent: WO2013/71272 A1, 2013 ; Location in patent: Paragraph 00276-00297 ;

64-17-5

105-39-5

109-94-4

33142-21-1

Literature: US2004/157845 A1, ; Page 18 ; US 20040157845 A1

1027194-45-1

33142-21-1

Literature: WO2012/82689 A1, ; Page/Page column 54 ; WO 2012/082689 A1

1001-26-9

33142-21-1

Literature: Journal of the American Chemical Society, , vol. 72, p. 2888

Precursor 4
105-39-5 109-94-4 64-17-5 1001-26-9
DownStream 9
32955-22-9 32955-21-8 372198-69-1 79836-78-5
1296201-68-7 105-39-5 113853-16-0 30709-71-8
30709-68-3

HS Code	2918300090
Summary	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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