Isopentane (99% min)
click here to return to Specialty Products…

Property Typical Range Specification Test Method
COMPOSITION, WT% Gas Chrom
Butane and Lighter Trace Trace --  
Isopentane 99.4 99.3 - 99.6 99.0 Min  
Normal Pentane 0.5 0.4 - 0.7 1.0 Max  
 
Benzene, ppm 0.0 0.0 - 0.1 1.0 Max Gas Chrom
 
API Gravity 95.1 94.0 - 96.0 -- ASTM D-287
Specific Gravity 0.6246 0.6220 - 0.6253 -- API Table 3
Density, lbs/gal 5.198 5.176 - 5.204 -- API Table 8
 
DISTILLATION, DEG F ASTM D-86
IBP 81.0 80.5 - 82.0 --
Dry Point 84.0 83.5 - 85.0 --
 
Color, Saybolt +30 +30 + 30 ASTM D-156
Sulfur Content, ppm < 1 0 - 1 1.0 Max ASTM D-4045
Copper Corrosion 1 A 1 A 1 A ASTM D-130
Doctor Test Neg Neg Neg ASTM D-235
Flash Point, Deg F - 75 - 80 / - 70 -- Estimated
Non-volatile Content
mg/100 ml 0.1 0.1 - 0.3 1.0 Max ASTM D-1353
Reid Vapor Pressure 20.4 20.0 - 21.2 -- ASTM D-323
Acidity, Dist Residue Neutral Neutral Neutral ASTM D-1093
Bromine Index 2.0 1.0 - 6.0 -- ASTM D-2710
Water Content <10.0 2.0 - 10.0 10.0 Max ASTM D-1744
Carbonyls, ppm < 1 < 1 -- ASTM D-4423

Shipping
Shipped in railcars, tank trucks and 55-gallon drums from Silsbee, Texas.
DOT Classification: Pentane, Flammable Liquid
Hazardous Materials Identification Number: UN1265

Toxicity

Threshold Limit Value:
    1000 ppm: OSHA Standard, TWA
    600 ppm: ACGIH Standard, TWA
    750 ppm: ACGIH Standard, STEL
CAS: 78-78-4


South Hampton Refining Co. warrants only that its products meet the specifications stated herein. Typical properties, where stated, are to be considered as representative of current production and should not be treated as specifications. Historical range relates past data as to extremes of properties herein. While all the information presented in this document is believed to be reliable and to represent the best available data on these products, no guarantee, warranty, or representation is made, intended, or implied as to the correctness or sufficiency of any information, or as to the suitability of any chemical compounds for any particular use. Products may be toxic and require special precautions in handling. For the products listed, user should obtain detailed information on toxicity, together with proper shipping, handling, and storage procedures, and comply with all applicable safety and environmental standards.