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METHYL CHLOROACETATE ICSC: 1410
Date of Peer Review: October 2001

Chloroacetic acid methyl ester
Methyl monochloroacetate
Methyl-alpha-chloroacetate
CAS # 96-34-4 C3H5ClO2
RTECS # AF9500000 Molecular mass: 108.53
UN # 2295
EC # 607-205-00-X
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Flammable. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames, NO sparks, and NO smoking.
Dry powder, water spray, alcohol-resistant foam, carbon dioxide.
EXPLOSION Above 57C explosive vapour/air mixtures may be formed.
Above 57C use a closed system, ventilation, and explosion-proof electrical equipment.
In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE
PREVENT GENERATION OF MISTS!

Inhalation Cough. Shortness of breath. Sore throat.
Ventilation, local exhaust, or breathing protection.
Fresh air, rest. Refer for medical attention.
Skin MAY BE ABSORBED! Redness. Pain. Skin burns.
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention.
Eyes Redness. Pain. Blurred vision.
Face shield, or or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Abdominal pain. Nausea. Vomiting. Diarrhoea.
Do not eat, drink, or smoke during work.
Rinse mouth. Do NOT induce vomiting. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Remove all ignition sources. Collect leaking liquid in covered plastic containers. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Chemical protection suit including self-contained breathing apparatus.
Do not transport with food and feedstuffs.
EU Classification
Symbol: T
R: 10-23/25-37/38-41
S: (1/2-)-26-37/39-45
UN Classification
UN Hazard Class: 6.1
UN Subsidiary Risks: 3
UN Pack Group: I
EMERGENCY RESPONSE SAFE STORAGE
Transport Emergency Card: TEC (R)-61GTF1-I
NFPA Code: H2; F2; R1;
Fireproof. Separated from food and feedstuffs and incompatible materials. See Chemical Dangers.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2004

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METHYL CHLOROACETATE ICSC: 1410
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS LIQUID, WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:
The vapour is heavier than air.

CHEMICAL DANGERS:
The substance decomposes on burning producing corrosive fumes including hydrogen chloride. Reacts with reducing agents and oxidants.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK: 1 ppm, 4.5 mg/m; Peak limitation category: I(1); skin absorption (H); sensitization of skin (Sh); Pregnancy risk group: D; (DFG 2004).
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its vapour, through the skin and by ingestion.

INHALATION RISK:
A harmful contamination of the air can be reached rather quickly on evaporation of this substance at 20C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is corrosive to the skin, is severely irritating to the eyes and is irritating to the respiratory tract.

PHYSICAL PROPERTIES
Boiling point: 129.5C
Melting point: -32.1C
Density: 1.2 g/cm
Solubility in water, g/100 ml at 19.8C: 5.2
Vapour pressure, Pa at 20C: 650
Relative vapour density (air = 1): 3.7
Relative density of the vapour/air-mixture at 20C (air = 1): 1.02
Flash point: 57C o.c.
Auto-ignition temperature: 465C
Explosive limits, vol% in air: 7.5-18.5
Octanol/water partition coefficient as log Pow: 0.76 (calculated)
ENVIRONMENTAL DATA
The substance is toxic to aquatic organisms.
NOTES
Card has been partly updated in April 2005. See sections Occupational Exposure Limits, Physical properties.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2004