SDS

Nanjing Refinery Co., Ltd
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Part 3.Composition/Information On Ingredients
Ingredient Name : Isobutene
%Volume : ≥99.6%
TLV-ACGIH : 1000ppm
CAS Number : 75-28-5
Part 4. First Aid Measures
Ingestion : Do not induce vomiting. Contact a physician immediately.
Inhalation : Remove to fresh air. If breathing has stopped, restore breathing at once.
Administer oxygen and get medical help.
Skin Contact : For liquid contact, warm areas gradually and get medical attention if there
is evidence of tissue damage. Flush area with plenty of water.
Part 5. Fire Fighting Measures
Safety Data of The Product :
Safety Data of The Product
UN Number
1969
Auto ignition Point
462℃
Relative Density (at 20℃, liquid)
0.557
Vapor Pressure (at 0℃)
1.60×10
5
Pa
Freezing Point
-160℃
Vapor Pressure (at 10℃)
2.25×10
5
Pa
Boiling Point
-11.7℃
Vapor Pressure (at 20℃)
3.08×10
5
Pa
Critical Temperature
135℃
Vapor Pressure (at 30℃)
4.13×10
5
Pa
Critical Pressure
3.65×10
6
Pa
Vapor Pressure (at 40℃)
5.43×10
5
Pa
Relative Vapor Density to Air
2.0
Vapor Pressure (at 50℃)
7.02×10
5
Pa
Flash Point
-83℃
Explosive Limit (V)
1.8～8.4%(V)
Extinguishing Media :
Dry Chemical Extinguisher(B-C),Water