Glycolic acid
Alpha-hydroxyacetic acid
Hydroxyethanoic acid
C2H4O3 / HOCH2COOH
Molecular mass: 76.1
ICSC # 1537
CAS # 79-14-1
RTECS # MC5250000
UN # 3261
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
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NO open flames.
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Powder, water spray, foam, carbon dioxide.
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Explosion
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Exposure
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•Inhalation
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Cough.
Shortness of breath.
Sore throat.
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Avoid inhalation of fine dust and mist.
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Half-upright position.
Fresh air, rest.
Refer for medical attention.
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•Skin
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Redness.
Pain.
Serious skin burns.
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Protective gloves.
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First rinse with plenty of water, then remove contaminated clothes and rinse again.
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•Eyes
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Redness.
Pain.
Blurred vision.
Severe deep burns.
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Safety goggles,
or eye protection in combination with breathing protection.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Abdominal pain.
Burning sensation.
Shock or collapse.
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Do not eat, drink, or smoke during work.
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Do NOT induce vomiting.
Give plenty of water to drink.
Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Chemical protection suit including self-contained breathing apparatus.
Sweep spilled substance into covered containers.
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Separated from strong oxidants, metals, sulfides, cyanides
strong bases
food and feedstuffs
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Dry.
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Do not transport with food and feedstuffs.
UN Hazard Class: 8
UN Packing Group: II
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Important Data
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Physical State; Appearance:
COLOURLESS
HYGROSCOPIC
CRYSTALS
Physical Dangers:
Chemical Dangers:
Reacts with strong oxidants, cyanides and sulfides.
Reacts violently with aluminium, zinc and tin
causing fire and explosion hazard.
The solution in water is a medium strong acid.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation
and
by ingestion.
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly on spraying or when dispersed, especially if powdered.
Effects of Short-Term Exposure:
The substance
is corrosive to
the skin
and
the eyes,
and
is irritating to
the respiratory tract
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Corrosive on ingestion.
The substance may cause effects on the
kidneys
, resulting in kidney failure.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact with skin may cause dermatitis.
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Physical
Properties
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Boiling point (decomposes): 100°C
Melting point: 80°C
Relative density (water = 1): 1.49
Solubility in water:
very good
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Relative vapour density (air = 1): 2.6
Octanol/water partition coefficient as log Pow: -1.11
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Environmental
Data
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N O T E S
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This substance is often available commercially as a 70% solution with UN number 3265, hazard class 8, packaging group II.
Transport Emergency Card: TEC (R)-80GC4-II+III
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ADDITIONAL INFORMATION
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ICSC: 1537
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HYDROXYACETIC ACID
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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