Common name

SULFUR

CAS Number

7704-34-9

DOT Number

UN 1350 (solid)

UN 2448 (molten)

Flammability

Combustible

Flash Point

168 - 188^o C

Boiling Point

444 ^oC

Melting Point

119 ^oC

Specific Gravity

1.92 - 2.07 kg/L (Solid Sulfur)

1.811 kg/L (Molten Sulfur)

Vapor Pressure

<0.001 mm Hg @ 20°C

0.11 mm Hg @140° C

Explosive limits, vol% in air

35-1400 g/m³

Auto ignition Temperature

190 - 220 ° C

pH

7 (Approximately)

Solubility

Insoluble in the following materials: cold water, hot water. Soluble in carbon disulfide, benzene, toluene, chloroform, ether, warm aniline, carbon tetrachloride and liquid ammonia.