Description
Overview
Elemental sulfur (S8) is a non-metallic chemical with CAS No: 7704-34-9. Form: Bright yellow powder or crystalline solid. Purity: 99.9% by titration. Molar mass: 256.52 g/mol. Density: 2.07 g/cm³. Melting point: 115.21°C. Sublimes at 444.6°C. Supplied in 25kg HDPE-lined bag with sealed closure. Free of organic contaminants or stabilizers. Suitable for industrial and laboratory applications.
Applications
Used in vulcanization process studies for rubber production. Applied in synthesis of sulfur-containing compounds like sulfides and sulfoxides. Employed in soil amendment research for pH adjustment. Suitable for pyrotechnic formulation testing. Utilized in hydrogen sulfide generation experiments. Supports pesticide and fungicide development. Used in battery material research (Li-S). Ideal for mineral flotation studies in mining.
Specifications
Appearance: Yellow powder or crystals. Odor: Odorless. Solubility: Insoluble in water; soluble in CS2. Mesh size: 200–325. Residue on ignition: ≤0.1%. Moisture content: ≤0.05%. Storage: Keep dry, away from heat and oxidizers. Shelf life: 5 years. Compatible with HDPE, PP. Incompatible with nitrates, chlorates, and strong bases.
Safety
GHS02: Flammable. GHS07: Irritant. H228: Flammable solid. H319: Causes eye irritation. H335: May cause respiratory irritation. P210: Keep away from heat. P233: Keep container closed. P305+P351+P338: Rinse eyes. Use dust mask and gloves. Avoid creating dust clouds.
FAQ
Can it be used in rubber vulcanization?
Yes. High purity ensures consistent cross-linking in lab-scale tests.
Is it suitable for H2S generation?
Yes. Reacts with acids to produce hydrogen sulfide in controlled setups.
How to store large quantities?
Keep in dry, ventilated area, away from combustibles and oxidizers.
What particle size is typical?
Supplied as fine powder, 200–325 mesh for uniform reactivity.
Can it be melted safely?
Yes. Use oil bath or heating mantle; avoid open flames due to flammability.
References
PubChem – Sulfur | Wikipedia – Sulfur | ECHA | Full SDS available via HarutyunyanEN customer portal.
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