Aromatic Sulfonic Acids CHART

	Typical Properties	High Purity Benzenesulfonic Acid, 99%	Commercial Grade Benzenesulfonic Acid, 94%	Foundry Grade Benzenesulfonic Acid, 92%	Tech & Commercial Grade p- Toluenesulfonic Acid, 95%	Tech & Commercial Grade p- Toluenesulfonic Acid, (water solution) 67%	High Purity p-Toluenesulfonic Acid, Monohydrate	High Purity p-Toluenesulfonic Acid, (water solution) 67%	Xylenesulfonic Acid, 94%	Phenolsulfonic Acid, 65%
	DynaChem Product Code#	6730HP	6730C	6730	6510	6510W70	p-TSA Mono	6510W70HP	6110	6800W65
	Assay, % by weight	99	94	92	96.5	67	89	67	95	66
	Sulfuric Acid, % by weight	<.05	3	3.25	0.9	0.9	.2	0.15	2.0	2.2
	Water, % by weight	1.0	2.5	2.5	1.5	30	10.8	30	1.1	30
	Hydrocarbon, % by weight	-	<.1	<.1	0.1	0.1	-	-	.1	-
	Sulfones, % by weight		1	1.5	0.9	0.5	-	-	1.3	-
	Phenol, % by weight	-	-	-	-	-	-	-	-	.4
	Total Acidity, % as Sulfuric Acid	-	31.5	31.5	28.2	20	25.5	19	26	21
	Isomer Distribution % (Approx.)	-	-	-	para-80/ortho-20	para-80/ortho-20	para-99.5/ortho-.5	para-99.5/ortho-.5	-	para-80/ortho-20
	Setting Point °C	50-55	48-53	48-53	23	-	103.8	-	-	-2
	Color	White/Off White	Light Brown	Brown	Straw to Light Brown	Straw to Light Brown	White	White	Dark Brown	Red-Brown
	Gardner	-	5		3	<3	<1	<1	12 - 15	9
	Appearance	Crushed Lump Crystals or Wax Solid	Crystalline Mass or Wax Solid	Crystalline Mass or Wax Solid	Liquid to partially Crystalline Mass	Liquid	Crystalline Solid	Liquid	Viscous Liquid	Liquid
	Specific Gravity	1.30	1.32 @70°C	1.32 @70°C	1.3 @40°C	1.25 @25°C	-	1.25 @25°C
1.32 @28°C	1.35 @28°C
	Bulk Density, lb. per gallon	10.8	11.0	11	10.8	10.5	6	10.5	11.0	11.2
	Iron, PPM	-	10	10	10	10	1	1	10	10


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