Ethyl (chlorosulfonyl)acetate

Modify Date: 2024-01-04 18:18:09

Ethyl (chlorosulfonyl)acetate structure	Common Name	Ethyl (chlorosulfonyl)acetate
	CAS Number	55896-93-0	Molecular Weight	186.614
	Density	1.4±0.1 g/cm3	Boiling Point	244.3±23.0 °C at 760 mmHg
	Molecular Formula	C₄H₇ClO₄S	Melting Point	16.2ºC(lit.)
	MSDS	USA	Flash Point	101.5±22.6 °C

Name	ethyl 2-chlorosulfonylacetate
Synonym	More Synonyms

Density	1.4±0.1 g/cm3
Boiling Point	244.3±23.0 °C at 760 mmHg
Melting Point	16.2ºC(lit.)
Molecular Formula	C₄H₇ClO₄S
Molecular Weight	186.614
Flash Point	101.5±22.6 °C
Exact Mass	185.975357
PSA	68.82000
LogP	0.87
Vapour density	2.07 (vs air)
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.465
Storage condition	-196°C

Material Safety Data Sheet

Section1. Identiﬁcation of the substance
Product Name: Chlorosulfonyl acetic acid ethyl ester
Synonyms:

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

Section3. Composition/information on ingredients.
Ingredient name:Chlorosulfonyl acetic acid ethyl ester
CAS number:55896-93-0

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.
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:C4H7ClO4S
Molecular weight:186.6

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

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

Hazard Codes	C,Xi
Risk Phrases	R34
Safety Phrases	23-26-45
RIDADR	UN 2790 8/PG 2
WGK Germany	1
RTECS	AF1225000
Packaging Group	III
HS Code	2915900090

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Precursor 5
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HS Code	2915900090
Summary	2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%