2-Methyl butanol-1
sec-Butylcarbinol
C5H12O / CH3CH2CH(CH3)CH2OH
Molecular mass: 88.2
ICSC # 0506
CAS # 137-32-6
RTECS # EL5250000
UN # 1105
EC # 603-006-00-7
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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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Flammable.
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NO open flames, NO sparks, and NO smoking.
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Alcohol-resistant foam.
Powder, carbon dioxide
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Explosion
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Above 50°C explosive vapour/air mixtures may be formed.
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Above 50°C use a closed system, ventilation, and explosion-proof electrical equipment.
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In case of fire: keep drums, etc., cool by spraying with water.
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Exposure
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•Inhalation
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Cough.
Dizziness.
Drowsiness.
Sore throat.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
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•Skin
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Dry skin.
Redness.
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Protective gloves.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
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•Eyes
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Redness.
Pain.
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Safety goggles.
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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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Do not eat, drink, or smoke during work.
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Rinse mouth.
Do NOT induce vomiting.
Rest.
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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Collect leaking and spilled liquid in sealable metal or glass containers as far as possible.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
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Fireproof.
Cool.
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Note: C
Xn symbol
R: 10-20-37-66
S: 2-46
UN Hazard Class: 3
UN Packing Group: III
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Important Data
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Physical State; Appearance:
COLOURLESS LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
Occupational Exposure Limits:
TLV not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its vapour and
by ingestion.
Inhalation Risk:
A harmful contamination of the air will be reached rather slowly on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The substance
irritates
the eyes,
the skin and
the respiratory tract.
Swallowing the liquid may cause aspiration into the lungs with the risk of chemical pneumonitis.
The substance may cause effects on the central nervous system.
Effects of Long-Term or Repeated Exposure:
The liquid defats the skin.
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Physical
Properties
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Boiling point: 128°C
Melting point: < -70°C
Relative density (water = 1): 0.8
Solubility in water, g/100 ml at 25°C: 3.0 (moderate)
Vapour pressure, kPa at 25°C: 0.42
Relative vapour density (air = 1): 3
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.01
Flash point: 50°C o.c.
Auto-ignition temperature: 385°C
Explosive limits, vol% in air: 1.4-9.0
Octanol/water partition coefficient as log Pow: 1.3-1.4
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Environmental
Data
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N O T E S
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Transport Emergency Card: TEC (R)-582
NFPA Code: H2; F2; R1
Card has been partially updated in August 2007: see Fire fighting, EU Classification.
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ADDITIONAL INFORMATION
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ICSC: 0506
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2-METHYL-1-BUTANOL
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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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