ICSC 0706 - CHLOROACETALDEHYDE (40% SOLUTION)

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CHLOROACETALDEHYDE (40% SOLUTION)	ICSC: 0706 (September 1997)
2-Chloroacetaldehyde 2-Chloro-1-ethanal Monochloroacetaldehyde

CAS #: 107-20-0

UN #: 2232

EC Number: 203-472-8

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Gives off irritating or toxic fumes (or gases) in a fire. Above 88°C explosive vapour/air mixtures may be formed.	NO open flames. NO contact with oxidizing agents or acids. Above 88°C use a closed system, ventilation and explosion-proof electrical equipment.	Use water spray, powder, alcohol-resistant foam, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water.

AVOID ALL CONTACT!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Burning sensation. Cough. Laboured breathing. Sore throat. Symptoms may be delayed. See Notes.	Use ventilation, local exhaust or breathing protection.	Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention.
Skin	Redness. Serious skin burns. Pain. Blisters.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention .
Eyes	Redness. Pain. Loss of vision. Severe deep burns.	Wear face shield or eye protection in combination with breathing protection.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Abdominal pain. Burning sensation.	Do not eat, drink, or smoke during work. Wash hands before eating.	Rinse mouth. Do NOT induce vomiting. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Ventilation. Collect leaking liquid in sealable containers. Wash away remainder with plenty of water.	According to UN GHS Criteria Transportation UN Classification UN Hazard Class: 6.1; UN Pack Group: I; UN Pack Group: II
STORAGE
Separated from strong oxidants, acids, metals and food and feedstuffs.
PACKAGING
Unbreakable packaging. Put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs.

CHLOROACETALDEHYDE (40% SOLUTION)

ICSC: 0706

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance CLEAR COLOURLESS LIQUID WITH PUNGENT ODOUR. Physical dangers The vapour is heavier than air. Chemical dangers Decomposes on heating. This produces toxic fumes of chlorine. Reacts with oxidants and acids. This generates explosion hazard.	Formula: C₂H₃ClO / ClCH₂CHO Molecular mass: 78.5 Boiling point: 85-100°C (40% solution) Melting point: 16°C (40% solution) Relative density (water = 1): 1.19 (40% solution) Solubility in water: miscible Vapour pressure, kPa at 20°C: 13.3 Relative vapour density (air = 1): 2.7 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.22 Flash point: 88°C c.c. Octanol/water partition coefficient as log Pow: 0.37

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
CLEAR COLOURLESS LIQUID WITH PUNGENT ODOUR.

Physical dangers
The vapour is heavier than air.

Chemical dangers
Decomposes on heating. This produces toxic fumes of chlorine. Reacts with oxidants and acids. This generates explosion hazard.

Formula: C₂H₃ClO / ClCH₂CHO
Molecular mass: 78.5
Boiling point: 85-100°C (40% solution)
Melting point: 16°C (40% solution)
Relative density (water = 1): 1.19 (40% solution)
Solubility in water: miscible
Vapour pressure, kPa at 20°C: 13.3
Relative vapour density (air = 1): 2.7
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.22
Flash point: 88°C c.c.
Octanol/water partition coefficient as log Pow: 0.37

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of its vapour and by ingestion. Effects of short-term exposure Corrosive. The vapour is corrosive to the eyes, skin and respiratory tract. Inhalation of high concentrations of the vapour may cause lung oedema. The effects may be delayed. Medical observation is indicated. See Notes.	Inhalation risk A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

Effects of short-term exposure
Corrosive. The vapour is corrosive to the eyes, skin and respiratory tract. Inhalation of high concentrations of the vapour may cause lung oedema. The effects may be delayed. Medical observation is indicated. See Notes.

Inhalation risk
A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C.

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS
TLV: 1 ppm as STEL. MAK: skin absorption (H); carcinogen category: 3

ENVIRONMENT
This substance may be hazardous to the environment. Special attention should be given to water quality. This substance does enter the environment under normal use. Great care, however, should be taken to avoid any additional release, for example through inappropriate disposal.

NOTES
This card refers to the 40% solution. The occupational exposure limit value should not be exceeded during any part of the working exposure. The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. Immediate administration of an appropriate inhalation therapy by a doctor, or by an authorized person, should be considered.

NOTES

This card refers to the 40% solution.
The occupational exposure limit value should not be exceeded during any part of the working exposure.
The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential.
Immediate administration of an appropriate inhalation therapy by a doctor, or by an authorized person, should be considered.

ADDITIONAL INFORMATION

EC Classification
Symbol: T+, N; R: 24/25-26-34-40-50; S: (1/2)-26-28-36/37/39-45-61

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