Ethyl Chloroformate

97% For Synthesis For Laboratory Use
CAS Number
541-41-3
HSN Code
29153990
Molecular Formula
C3H5ClO2
Catalogue Number
AL00686
Purity
≥ 97%
Molecular Weight
108.32 g/mol

Complies with : IP | BP | USP | EP | ACS

ISO 9001 ISO 14001 GMP COA with every batch

Sign In

Sign in to view pricing and place your order.

Don't have an account? Create one

Key Properties

Appearance Colorless to pale yellow liquid
Shelf Life 12 months
Packaging Available in 500 mL glass bottles
Storage Store in a cool, dry place away from heat and incompatible materials.

Ethyl chloroformate is a reactive mixed carbonate/chloride reagent widely used in mixed-anhydride peptide coupling and ester synthesis.

Also known as Ethyl chloroformate, Ethyl chloroformate reagent.

Catalogue No.
AL00686
CAS Number
541-41-3
Molecular Formula
C3H5ClO2
Molecular Weight
108.32 g/mol
HSN Code
29153990
Grade
97% For Synthesis
Product Form
Substance

Colorless to pale yellow liquid with a density of 1.135 g/mL and a pungent odor.

Appearance
Colorless to pale yellow liquid
Shelf Life
12 months
Packaging
Available in 500 mL glass bottles
Storage
Store in a cool, dry place away from heat and incompatible materials.

1.1 — Product identifier

Chemical Name
Ethyl Chloroformate
Catalogue No.
AL00686
Product form
Substance
CAS Number
541-41-3
EC Number
208-703-4
Grade
97% For Synthesis
EC Index Number
607-007-00-8
Chemical Formula
C3H5ClO2
HSN Code
29153990
Synonyms
Ethyl chloroformate, Ethyl chloroformate reagent

1.2 — Relevant identified uses of the substance or mixture and uses advised against

Use of the substance/mixture
Reagent for organic synthesis, particularly in peptide coupling and ester synthesis.
Uses advised against
Not specified

1.3 — Details of the supplier of the safety data sheet

Company identification
Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.

1.4 — Emergency Contact Details

Phone / e-Mail
Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in

2.3 — Other hazards

Other hazards
May cause respiratory irritation; may be harmful if inhaled.

3.1 — Substance

Name
Ethyl Chloroformate
CAS No.
541-41-3

4.1 — Description of first aid measures

First-aid measures after inhalation
Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention.
First-aid measures after skin contact
Wash with soap and water. Remove contaminated clothing. Seek medical attention if irritation persists.
First-aid measures after eye contact
Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention.
First-aid measures after ingestion
Do not induce vomiting. Rinse mouth. Seek medical attention immediately.

4.2 — Most important symptoms and effects, both acute and delayed

Symptoms relating to use
Coughing, shortness of breath, skin irritation, eye irritation.

4.3 — Indication of any immediate medical attention and special treatment needed

General information
Treat symptomatically. Show this safety data sheet to the treating physician.

5.1 — Extinguishing media

Suitable extinguishing media
Water spray, carbon dioxide, dry chemical powder, foam.
Unsuitable extinguishing media
Not specified

5.2 — Special hazards arising from the substance or mixture

Special procedures
Highly flammable. Vapors may form explosive mixtures with air.

5.3 — Advice for firefighters

Protection during firefighting
Do not enter fire area without proper protective equipment, including respiratory protection.

6.1.1 — For non-emergency personnel

Emergency procedures
Evacuate area. Ventilate. Use appropriate protective equipment. Contain spill.

6.3 — Methods and material for containment and cleaning up

Methods for cleaning up
Absorb with inert material and dispose of in accordance with local regulations.

6.4 — Reference to other sections

Reference
Not specified

7.1 — Precautions for safe handling

Precautions for safe handling
Use in a fume hood with appropriate PPE including gloves and goggles.
Hygiene measures
Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.

7.2 — Conditions for safe storage, including any incompatibilities

Storage conditions
Store in a cool, dry place, away from heat sources and incompatible materials.

8.2 — Exposure controls

Hand protection
Protective gloves (e.g. nitrile rubber)
Eye protection
Chemical safety goggles or safety glasses
Skin and body protection
Wear suitable protective clothing
Respiratory protection
Use NIOSH-approved respirator if exposure limits are exceeded.

9.1 — Information on basic physical and chemical properties

Physical state
Liquid
Colour
Colorless to pale yellow
Odour
Pungent
Odour threshold
No data available
pH value
No data available
Relative evaporation rate (butylacetate=1)
No data available
Melting point
-80 °C
Freezing point
No data available
Boiling point
97 °C
Flash point
10 °C
Auto-ignition temperature
No data available
Decomposition temperature
No data available
Flammability (solid, gas)
Flammable liquid
Vapour pressure
No data available
Relative vapour density at 20°C
No data available
Density
1.135 g/mL
Solubility
Soluble in organic solvents, insoluble in water
Log Pow
No data available
Viscosity, kinematic
No data available
Viscosity, dynamic
No data available
Explosive properties
No data available
Oxidising properties
No data available
Explosive limits
No data available

10.1 — Reactivity

Reactivity
Reacts violently with strong bases and oxidizing agents.

10.2 — Chemical stability

Chemical stability
Stable under recommended storage conditions.

10.3 — Possibility of hazardous reactions

Possibility of hazardous reactions
No dangerous reactions known under normal conditions of use.

10.4 — Conditions to avoid

Conditions to avoid
Avoid contact with incompatible materials and excessive heat.

10.5 — Incompatible materials

Incompatible materials
Strong oxidizers, strong bases, amines, alcohols.

10.6 — Hazardous decomposition products

Hazardous decomposition products
Not specified

11.1 — Information on toxicological effects

Acute toxicity
Highly toxic; LD50 (oral, rat) 50 mg/kg.
Skin corrosion/irritation
Causes skin irritation.
Serious eye damage/irritation
Causes serious eye damage.
Respiratory or skin sensitisation
May cause allergic skin reaction.
Germ cell mutagenicity
Not classified
Carcinogenicity
Not classified
Specific target organ toxicity (single exposure)
May cause respiratory irritation.
Specific target organ toxicity (repeated exposure)
Not classified

12.1 — Toxicity

Toxicity information
Not specified

12.2 — Persistence - degradability

Persistence - degradability
Not specified

12.3 — Bioaccumulative potential

Bioaccumulative potential
Not specified

12.4 — Mobility in soil

Mobility in soil
Not specified

12.6 — Other adverse effects

Environmental precautions
Not specified

13.1 — Waste treatment methods

Additional Info
Dispose of contents/container in accordance with local, regional, national and international regulations.

14.1 — UN number

UN-No. (ADR)
UN 1182
UN-No. (IMDG)
UN 1182
UN-No. (IATA)
UN 1182
UN-No. (ADN)
UN 1182
UN-No. (RID)
UN 1182

14.2 — UN proper shipping name

Proper Shipping Name (ADR)
Ethyl Chloroformate
Proper Shipping Name (IMDG)
Ethyl Chloroformate
Proper Shipping Name (IATA)
Ethyl Chloroformate
Proper Shipping Name (ADN)
Ethyl Chloroformate
Proper Shipping Name (RID)
Ethyl Chloroformate

14.3 — Transport hazard class(es)

Transport hazard class(es)
6.1

14.4 — Packing group

Packing group (ADR)
I
Packing group (IMDG)
I
Packing group (IATA)
I
Packing group (ADN)
I
Packing group (RID)
I

14.5 — Environmental hazards

Dangerous for the environment
Not specified
Marine pollutant
Not specified
Other information
No supplementary information available

15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture

15.1.1 EU-Regulations
Not specified

Used as an activating reagent in mixed-anhydride peptide coupling reactions and carbamate/carbonate ester synthesis.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL00686
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
108.32 g/mol
Test Standard Observed
Description A clear colorless liquid A clear colorless liquid
Assay (GC) Min 98% 98.39%
D20°/4° 1.138-1.140g 1.139g

The above product complies with LR grade

Technical Data Sheet

Grade Assay/Purity Melting/Boiling Point Moisture/LOD Residue on Ignition Related Substances Solubility
97% For Synthesis ≥ 97% Boiling point: 97 °C ≤ 0.5% ≤ 0.1% None detected Soluble in organic solvents
View full Technical Data Sheet

Related Products

View All

Why buy from Alpha Chemika

Trusted Quality ISO 9001:2015 Certified
Global Supply 125+ Countries Served
Complete Documentation COA, MSDS, TDS & more
Expert Support We're here to help

What Our Scientific & Industrial Customers Say

“Speedy delivery, professional staff.”

Sonica Lokhandwala

“One shop stop for all laboratory chemicals requirements.”

Adebowale Idris

“Exactly as advertised.”

Babatunde Ugwuanyi

“Alpha Chemika products are of excellent quality. Highly satisfied.”

Jack Roberts

“From ordering to shipping, every course of action was smooth. Timely delivery.”

Priti Mourya

“Completely satisfied with the products and services.”

Hitu Kunjathur
FAQs

Common Questions About Laboratory Chemicals & Solutions

Find answers to common questions about laboratory chemicals, product selection, documentation, ordering, and technical support. Whether you are sourcing chemicals for research, testing, education, manufacturing, or industrial applications, these FAQs can help you make informed purchasing decisions.

Alpha Chemika offers a wide range of laboratory chemicals, reagents, solvents, and specialty products for research, testing, educational, pharmaceutical, and industrial applications.

Product selection depends on factors such as application, required purity, grade, specifications, and intended use. Our team can help you identify suitable products based on your technical requirements.

Yes. Relevant product information and technical documentation can be provided to help you evaluate products for quality, handling, compliance, and application requirements.

Yes. You can share your product list, required quantities, specifications, and delivery requirements with our team for a tailored quotation.

Yes. We support requirements from research laboratories, educational institutions, pharmaceutical companies, manufacturers, distributors, and other scientific and industrial organizations.

Connect with Us for Your Requirements

Have a specific product requirement or need help finding the right chemical for your application? Share your requirements with our team, and we will help you identify suitable products, specifications, quantities, and procurement options.

Email Address info@alphachemika.net
Phone Number +91 9769472001

Request a Quote

Tell us about your requirement, and our team will get back to you with the right product recommendations and technical support.

  • No countries found

Fields marked * are required. By submitting this form you agree to be contacted by Alpha Chemika regarding your enquiry.

Alpha Chemika Assistant Product search & quotations
Thinking…

items in your quote

Your Quote Request ( items)

Currency: