3-Methyl-1-butanol
Isopentyl alcohol
Isobutylcarbinol
C5H12O / (CH3)2CHCH2CH2OH
Molecular mass: 88.2
ICSC # 0798
CAS # 123-51-3
RTECS # EL5425000
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 45°C explosive vapour/air mixtures may be formed.
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Above 45°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.
Headache.
Nausea.
Sore throat.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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Dry skin.
Redness.
Roughness.
Pain.
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Protective gloves.
Protective clothing.
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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 spectacles,
face shield,
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 in the chest and stomach.
Headache.
Nausea.
Unconsciousness.
Vomiting.
Weakness.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give a slurry of activated charcoal in water to drink.
Do NOT induce vomiting.
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 liquid in sealable containers.
Wash away spilled liquid with plenty of water.
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Fireproof.
Separated from
strong oxidants.
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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:
Reacts violently with strong oxidants.
Reacts
with
reducing agents
.
Reacts violently with hydrogen trisulfide
causing explosion hazard.
Occupational Exposure Limits:
TLV: 100 ppm as TWA; 125 ppm as STEL; (ACGIH 2004).
MAK: 100 ppm, 370 mg/m3
Peak limitation category: II(2); Pregnancy risk group: C :
(DFG 2004).
OSHA PEL: TWA 100 ppm (360 mg/m3)
NIOSH REL: TWA 100 ppm (360 mg/m3) ST 125 ppm (450 mg/m3)
NIOSH IDLH: 500 ppm See: 123513
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation
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
is irritating to
the eyes
,
the skin
and
the respiratory tract
.
The substance may cause effects on the central nervous system, if ingested.
Effects of Long-Term or Repeated Exposure:
The liquid defats the skin.
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Physical
Properties
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Boiling point: 132°C
Melting point: -117°C
Relative density (water = 1): 0.8
Solubility in water, g/100 ml: 2.5
Vapour pressure, kPa at 20°C: 0.4
Relative vapour density (air = 1): 3.0
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.01
Flash point: 45°C c.c. 55°C o.c.
Auto-ignition temperature: 350°C
Explosive limits, vol% in air: 1.2-9 (at 100°C)
Octanol/water partition coefficient as log Pow: 1.42
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Environmental
Data
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N O T E S
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Card has been partly updated in October 2004. See sections Occupational Exposure Limits, EU classification, Emergency Response.
Transport Emergency Card: TEC (R)-30GF1-II
NFPA Code: H1; F2; R0;
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ADDITIONAL INFORMATION
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ICSC: 0798
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ISOAMYL ALCOHOL
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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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