Montana Sulphur and Chemical Company - Product

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Specification Sheet
Yellowstone Brand High Purity Molten Sulfur

FOR INDUSTRIAL USE

SULFUR CONTENT:                                  99.9+ wt.-% minimum as Elemental Sulfur

MOISTURE:                                                   0.5 wt.-% maximum

REDUCED CARBON:                                 0.1 wt.-% maximum

ASH:                                                                0.01 wt.-% maximum

As, Se, & Te CONTENT:                             Each less than 0.1 ppm

ACIDITY:                                                         0.02 wt.-% maximum

COLOR / APPEARANCE:                           Light Yellow to Orange, Molten Liquid

ODOR:                                                             Sulfur Dioxide-Like Odor

BULK DENSITY:                                           111.8 Lbs./Cu. Ft. @ 275 degrees F.

SOURCE:                                                        Virgin Production from Claus Sulfur Recovery

PACKAGING:                                                  Train Tank Car / Truck Trailer

SCREENING SPECIFICATIONS:               None

January 25, 2008 File: 2008 HPMS Specification Sheet High Purity Molten Sulfur.doc

Buyer is to understand that the above represents production guidelines. Material is not analyzed by individual lots. Most production exceeds these specifications. No warranty applies to this product, except as to minimum sulfur content. All other warranties, if any, whether expressed or implied are hereby disclaimed. User assumes full responsibility for proper use and disposal. Manufacturer reserves the right to change specification(s) at any time without notice.

Technical Information Sheet

Typical Plant Grab Analysis

Constituent Quantity

Sulfur .............................. 99.97+ Wt.-%

Carbon ...........................
118 ppm's
Iron .................................. 26.3 ppm’s

Silicon ............................ 17.8 ppm's

Calcium .......................... 14.5 ppm's

Aluminum ...................... 11.7 ppm's

Phosphorus ................ 7.28 ppm's

Potassium ..................... 5.08 ppm's

Tin ................................... 2.92 ppm’s

Chromium ..................... 0.969 ppm

Magnesium ................... 0.759 ppm

Manganese ................... 0.739 ppm

Barium ........................... 0.330 ppm

Chloride ......................... < 10.0 ppm’s

Zinc ................................. < 3.18 ppm’s

Lithium ........................... < 3.00 ppm’s

Titanium .........................
< 3.00 ppm’s

Nitrogen ......................... < 2.00 ppm’s

Copper ........................... < 0.644 ppm

Antimony ....................... < 0.420 ppm

Lead ................................ < 0.323 ppm

Nickel ............................. < 0.227 ppm

Cadmium ....................... < 0.177 ppm

Molybdenium ............... < 0.127 ppm

Thallium ......................... < 0.115 ppm

Beryllium ....................... < 0.114 ppm

Arsenic ........................... < 0.1 ppm

Selenium ....................... < 0.1 ppm

Tellurium .......................
< 0.1 ppm

Cobalt ............................. < 0.0970 ppm

Vanadium ...................... < 0.0840 ppm

Silver .............................. < 0.0670 ppm

Mercury .......................... < 0.0620 ppm

Boron ............................. 0 ppm

Sodium .......................... 0 ppm

Total ................................
100.00 Wt.-%

January 25, 2008 File: 2008 HPMS Technical Information Sheet High Purity Molten Sulfur.doc

Buyer is to understand that the above represents production guidelines. Material is not analyzed by individual lots. Most production exceeds these specifications. No warranty applies to this product, except as to minimum sulfur content. All other warranties, if any, whether expressed or implied are hereby disclaimed. User assumes full responsibility for proper use and disposal. Manufacturer reserves the right to change specification(s) at any time without notice.