Isonitropropane
Dimethylnitromethane
sec-Nitropropane
2-NP
C3H7NO2 / CH3CHNO2CH3
Molecular mass: 89.1
ICSC # 0187
CAS # 79-46-9
RTECS # TZ5250000
UN # 2608
EC # 609-002-00-1
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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.
Many reactions may cause fire or explosion.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames, NO sparks, and NO smoking.
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Powder, alcohol-resistant foam, water spray, carbon dioxide.
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Explosion
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Above 24°C explosive vapour/air mixtures may be formed.
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Above 24°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.
Combat fire from a sheltered position.
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Exposure
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AVOID ALL CONTACT!
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•Inhalation
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Cough.
Dizziness.
Drowsiness.
Headache.
Nausea.
Vomiting.
Diarrhoea.
Weakness.
Shortness of breath.
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Ventilation, local exhaust, or breathing protection.
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Refer for medical attention.
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•Skin
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Dry skin.
Redness.
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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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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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(Further see Inhalation).
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rinse mouth.
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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Remove all ignition sources.
Evacuate danger area in case of a large spillage!
Consult an expert!
Personal protection: self-contained breathing apparatus.
Collect leaking and spilled liquid in sealable containers as far as possible.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
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Fireproof.
Separated from
strong bases,
strong acids,
amines
,
powdered metals
,
food and feedstuffs
.
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Note: E
T symbol
R: 45-10-20/22
S: 53-45
UN Hazard Class: 3
UN Packing Group: III
Signal: Danger
Excl mark-Health haz
Harmful if swallowed
Harmful if inhaled vapour
Suspected of causing genetic defects
May cause cancer
Causes damage to liver
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Important Data
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Physical State; Appearance:
COLOURLESS
,
OILY
LIQUID.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
toxic fumes
including
nitrogen oxides
.
Shock-sensitive compounds are formed with acids, amines, inorganic bases and heavy metal oxides.
Attacks some forms of plastic rubber and coatings.
Occupational Exposure Limits:
TLV: 10 ppm; A3 (confirmed animal carcinogen with unknown relevance to humans); (ACGIH 2005).
MAK: skin absorption (H);
Carcinogen category: 2
(DFG 2005).
OSHA PEL: TWA 25 ppm (90 mg/m3)
NIOSH REL: Ca See Appendix A
NIOSH IDLH: Ca 100 ppm See: 79469
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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 can be reached rather quickly on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The vapour of this substance
is irritating to
the eyes
and
the respiratory tract
.
The substance
is mildly irritating to
the skin
.
The substance may cause effects on the
central nervous system
.
Exposure far above the OEL could cause
liver impairment
.
Exposure far above the OEL may result in death.
Effects of Long-Term or Repeated Exposure:
The liquid defats the skin.
This substance is possibly carcinogenic to humans.
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Physical
Properties
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Boiling point: 120°C
Melting point: -91°C
Relative density (water = 1): 0.99
Solubility in water, g/100 ml at 25°C: 1.7
Vapour pressure, kPa at 20°C: 1.7
Relative vapour density (air = 1): 3.1
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.04
Flash point: 24°C c.c.
Auto-ignition temperature: 428°C
Explosive limits, vol% in air: 2.6-11
Octanol/water partition coefficient as log Pow: 0.93
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Environmental
Data
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N O T E S
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Depending on the degree of exposure, periodic medical examination is suggested.
The odour warning when the exposure limit value is exceeded is insufficient.
NiPar S-20 and NiPar S-30 are trade names.
Do NOT take working clothes home.
Transport Emergency Card: TEC (R)-30GF1-III
NFPA Code: H1; F3; R2
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ADDITIONAL INFORMATION
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ICSC: 0187
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2-NITROPROPANE
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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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