Methyl Chloroformate
- CAS Number
- 79-22-1
- HSN Code
- 29159099
- Molecular Formula
- C2H3ClO2
- Catalogue Number
- AL3043
- Purity
- 98% min
- Molecular Weight
- 94.50 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Methyl chloroformate appears as a colorless liquid with a pungent odor. Flash point 54 °F. Corrosive to metals and tissue.
Also known as Chloroformic acid methyl ester.
- Catalogue No.
- AL3043
- CAS Number
- 79-22-1
- Molecular Formula
- C2H3ClO2
- Molecular Weight
- 94.50 g/mol
- HSN Code
- 29159099
- Grade
- For Synthesis
- Product Form
- Substance
Melting point: Less than -114 °F= less than -81 °C= less than 192 deg K; Boiling point: 71.0 °C; Flash point: 24.4 °C (Tag open cup), 17.8 °C (Tag closed cup); Density: 1.223 @ 20 °C/4 °C; Solubility: Solubility in water: poor.
- Appearance
- Colorless liquid with a pungent odor
- Shelf Life
- -
- Packaging
- Available in: 500 ml glass bottle with tin cap, 2.5 Lt glass bottle with tin cap
- Storage
- Fireproof. Provision to contain effluent from fire extinguishing. Separated from strong oxidants and food and feedstuffs. Dry. Well closed. Keep in a well-ventilated room.
1.1 — Product identifier
- Chemical Name
- Methyl Chloroformate
- Catalogue No.
- AL3043
- Product form
- Substance
- CAS Number
- 79-22-1
- EC Number
- 201-187-3
- Grade
- For Synthesis
- EC Index Number
- 607-007-00-5
- Chemical Formula
- C2H3ClO2
- HSN Code
- 29159099
- Synonyms
- Chloroformic acid methyl ester
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 carbamate 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
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Flam. Liq. 2; Acute Tox. 1; Acute Tox. 4; Skin Corr. 1B; Eye Dam. 1; Acute Tox. 2
- Classification source
- ECHA C&L Inventory via PubChem CID 6586 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Flammable, Corrosive, Acute Toxic
- Signal word
- Danger
- Hazard statements
- H225: Highly Flammable liquid and vapor; H300: Fatal if swallowed; H312: Harmful in contact with skin; H314: Causes severe skin burns and eye damage; H318: Causes serious eye damage; H330: Fatal if inhaled
2.3 — Other hazards
- Other hazards
- Highly toxic, flammable, and corrosive; may cause severe burns.
3.1 — Substance
- Name
- Methyl Chloroformate
- CAS No.
- 79-22-1
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Remove to fresh air. If breathing is difficult, give oxygen. Seek medical attention immediately.
- First-aid measures after skin contact
- Remove contaminated clothing. Wash skin thoroughly with soap and water. 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 and seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Symptoms of exposure may include respiratory distress, skin burns, and 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
- Vapor is heavier than air and may travel a considerable distance to a source of ignition and flash back.
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 and ventilate. Wear appropriate protective equipment. Contain and absorb spill with inert material.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Evacuate danger area! Consult an expert! Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in dry sand or inert absorbent.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle under inert gas. 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
- Fireproof. Provision to contain effluent from fire extinguishing. Separated from strong oxidants and food and feedstuffs. Dry. Well closed. Keep in a well-ventilated room.
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 appropriate respiratory protection when handling this substance.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless to pale yellow
- Odour
- Unpleasant, acrid
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- Less than -114 °F= less than -81 °C= less than 192 deg K
- Freezing point
- Not specified
- Boiling point
- 71.0 °C
- Flash point
- 24.4 °C (Tag open cup), 17.8 °C (Tag closed cup)
- Auto-ignition temperature
- 504 °C
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Flammable liquid
- Vapour pressure
- 108.5 mm Hg @ 25 °C
- Relative vapour density at 20°C
- 3.26 (AIR= 1)
- Density
- 1.223 @ 20 °C/4 °C
- Solubility
- Solubility in water: poor
- Log Pow
- Not specified
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Reacts violently with water, alcohols, and amines.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on heating and on burning. This produces toxic and corrosive fumes including hydrogen chloride and phosgene. Reacts violently with strong oxidants.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizing agents, strong bases, and water.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral <0.05 g/kg
- Skin corrosion/irritation
- H314: Causes severe skin burns and eye damage
- Serious eye damage/irritation
- H318: Causes serious eye damage
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
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)
- 1238
- UN-No. (IMDG)
- 1238
- UN-No. (IATA)
- 1238
- UN-No. (ADN)
- 1238
- UN-No. (RID)
- 1238
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Methyl Chloroformate
- Proper Shipping Name (IMDG)
- Methyl Chloroformate
- Proper Shipping Name (IATA)
- Methyl Chloroformate
- Proper Shipping Name (ADN)
- Methyl Chloroformate
- Proper Shipping Name (RID)
- Methyl Chloroformate
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1 (3,8)
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 and carbamate/carbonate ester synthesis.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1018A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 94.50 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | Clear colorless liquid | Clear colorless liquid |
| Assay | (Min.) 98% | 98.32% |
| d 20°/4°C | 1.227-1.229g | 1.228g |
The above product complies with LR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| For Synthesis | 98% min | m.p. Less than -114 °F= less than -81 °C= less than 192 deg K; b.p. 71.0 °C | 0.5% max | Not applicable | Not more than 1% | Solubility in water: poor |
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