ICSC 1537 - HYDROXYACETIC ACID

HYDROXYACETIC ACID	ICSC: 1537 (October 2004)
Glycolic acid Alpha-hydroxyacetic acid Hydroxyethanoic acid

CAS #: 79-14-1

UN #: 3261

EC Number: 201-180-5

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible.	NO open flames.	Use water spray, powder, foam, carbon dioxide.


	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Shortness of breath. Sore throat.	Avoid inhalation of dust and mist.	Half-upright position. Fresh air, rest. Refer for medical attention.
Skin	Redness. Pain. Serious skin burns.	Protective gloves.	First rinse with plenty of water for at least 15 minutes, then remove contaminated clothes and rinse again.
Eyes	Redness. Pain. Blurred vision. Severe deep burns.	Wear safety goggles 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. Shock or collapse.	Do not eat, drink, or smoke during work.	Do NOT induce vomiting. Give one or two glasses of water to drink. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: chemical protection suit including self-contained breathing apparatus. Sweep spilled substance into covered containers.	According to UN GHS Criteria Transportation UN Classification UN Hazard Class: 8; UN Pack Group: II
STORAGE
Separated from strong oxidants, metals, sulfides, cyanides, strong bases and food and feedstuffs. Dry.
PACKAGING
Do not transport with food and feedstuffs.

HYDROXYACETIC ACID

ICSC: 1537

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS HYGROSCOPIC CRYSTALS. Physical dangers Chemical dangers Reacts with strong oxidants, cyanides and sulfides. Reacts violently with aluminium, zinc and tin. This generates fire and explosion hazard. The solution in water is a medium strong acid.	Formula: C₂H₄O₃ / HOCH₂COOH Molecular mass: 76.1 Decomposes at 100°C Melting point: 80°C Relative density (water = 1): 1.49 Solubility in water: very good Relative vapour density (air = 1): 2.6 Octanol/water partition coefficient as log Pow: -1.11

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS HYGROSCOPIC CRYSTALS.

Physical dangers

Chemical dangers
Reacts with strong oxidants, cyanides and sulfides. Reacts violently with aluminium, zinc and tin. This generates fire and explosion hazard. The solution in water is a medium strong acid.

Formula: C₂H₄O₃ / HOCH₂COOH
Molecular mass: 76.1
Decomposes at 100°C
Melting point: 80°C
Relative density (water = 1): 1.49
Solubility in water: very good
Relative vapour density (air = 1): 2.6
Octanol/water partition coefficient as log Pow: -1.11

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation and by ingestion. Effects of short-term exposure The substance is corrosive to the skin and eyes. The substance is irritating to the respiratory tract. Corrosive on ingestion. The substance may cause effects on the kidneys. This may result in kidney failure.	Inhalation risk A harmful concentration of airborne particles can be reached quickly on spraying or when dispersed, especially if powdered. Effects of long-term or repeated exposure Repeated or prolonged contact with skin may cause dermatitis.

EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The substance is corrosive to the skin and eyes. The substance is irritating to the respiratory tract. Corrosive on ingestion. The substance may cause effects on the kidneys. This may result in kidney failure.

Inhalation risk
A harmful concentration of airborne particles can be reached quickly on spraying or when dispersed, especially if powdered.

Effects of long-term or repeated exposure
Repeated or prolonged contact with skin may cause dermatitis.

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT

NOTES
This substance is often available commercially as a 70% solution with UN number 3265, hazard class 8, packaging group II.

ADDITIONAL INFORMATION

EC Classification

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    See Also:
       Toxicological Abbreviations