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NIOSH

BUTYLENE OXIDE (STABILIZED)

ICSC: 0636

1,2-Butene oxide
1,2-Epoxybutane
Ethyloxirane
C4H8O
Molecular mass: 72.12
ICSC # 0636 		CAS # 106-88-7
RTECS # EK3675000
UN # 3022
EC # 603-102-00-9
November 04, 1997 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Highly flammable.
NO open flames, NO sparks, and NO smoking.
Foam, alcohol-resistant foam, powder, carbon dioxide.
EXPLOSION Vapour/air mixtures are explosive. Risk of fire and explosion on contact with oxidants, acid(s), metal chlorides.
Closed system, ventilation, explosion-proof electrical equipment and lighting. Prevent build-up of electrostatic charges (e.g., by grounding).
In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE
AVOID ALL CONTACT!

•INHALATION Confusion. Cough. Dizziness. Headache. Laboured breathing. Nausea. Sore throat. Unconsciousness.
Closed system and ventilation.
Fresh air, rest. Artificial respiration may be needed. Refer for medical attention.
•SKIN Redness.
Protective gloves. Protective clothing.
First rinse with plenty of water, then remove contaminated clothes and rinse again. Refer for medical attention.
•EYES Redness. Pain.
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 take to a doctor.
•INGESTION Abdominal pain. (See Inhalation).
Do not eat, drink, or smoke during work.
Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Rest. Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Evacuate danger area in case of large spills! Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Do NOT wash away into sewer. Personal protection: filter respirator for organic vapours of low boiling compounds.
Fireproof. Separated from incompatible materials . See Chemical Dangers. Cool. Store only if stabilized.
Airtight.
F symbol
Xn symbol
R: 11-20/21/22-36/37/38-40-52/53
S: 2-9-16-29-36/37-61
UN Hazard Class: 3
UN Packing Group: II
ICSC: 0636 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

BUTYLENE OXIDE (STABILIZED)

ICSC: 0636

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PHYSICAL STATE; APPEARANCE:
COLOURLESS LIQUID , WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:
The vapour is heavier than air and may travel along the ground; distant ignition possible. The vapour mixes well with air, explosive mixtures are easily formed. As a result of flow, agitation, etc., electrostatic charges can be generated.

CHEMICAL DANGERS:
The substance may polymerize on contact with acids,bases, tin, aluminium and iron chlorides with fire or explosion hazard. Reacts with strong oxidants causing fire hazard.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK: skin absorption (H);
Carcinogen category: 2;
(DFG 2005).


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its vapour, through the skin and by ingestion.

INHALATION RISK:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance irritates the eyes, the skin and the respiratory tract. Exposure at high levels could cause lowering of consciousness.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
The substance may have effects on the nervous system . This substance is possibly carcinogenic to humans.

PHYSICAL
PROPERTIES

Boiling point: 63.3°C
Melting point: -130°C
Relative density (water = 1): 0.83
Solubility in water, g/100 ml at 25°C: 9.5
Vapour pressure, kPa at 20°C: 18.8
Relative vapour density (air = 1): 2.2
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.3
Flash point: -22°C
Auto-ignition temperature: 439°C
Explosive limits, vol% in air: 3.9-20.6
Octanol/water partition coefficient as log Pow: 0.416

ENVIRONMENTAL
DATA


N O T E S

Depending on the degree of exposure, periodic medical examination is suggested. Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. An added stabilizer or inhibitor can influence the toxicological properties of this substance, consult an expert. Vapours are uninhibited and may polymerize, blocking valves and vents. Card has been partly updated in October 2005. See sections Occupational Exposure Limits, EU classification, Emergency Response.
Transport Emergency Card: TEC (R)-30GF1-I+II-9

NFPA Code: H2; F3; R2;

ADDITIONAL INFORMATION



ICSC: 0636 BUTYLENE OXIDE (STABILIZED)
(C) IPCS, CEC, 1994
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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