Sulfur , Analysis standard , 7704-34-9
Synonym(s):
Sulfur
CAS NO.：7704-34-9
Empirical Formula: S8
Molecular Weight: 256.52
MDL number: MFCD00085316
EINECS: 231-722-6
PRODUCT Properties
| Melting point: | 114 °C |
| Boiling point: | 445 °C |
| Density | 2.36 |
| vapor density | 8.9 (vs air) |
| vapor pressure | 1 mm Hg ( 183.8 °C) |
| Flash point: | 168 °C |
| storage temp. | 15-25°C |
| solubility | carbon disulfide: in accordance1g/5mL |
| pka | 7.050±0.10(predicted) |
| form | powder |
| color | Yellow |
| Specific Gravity | 2.07 |
| Odor | at 100.00%. sulfurous |
| PH | 6 (20°C, 10g/L) |
| Flame Color | Blue |
| Resistivity | 2E23 μΩ-cm, 20°C |
| Water Solubility | Insoluble |
| Electrical Conductivity | 1× 10-15S/m |
| Specific Heat Capacity | Cp(crystal): 0.7 J/(g·K); Cp(gas): 0.74 J/(g·K), at 25℃ |
| Thermal Conductivity | 0.205 W/(m·K) |
| Merck | 13,9059 / 13,9067 |
| Henry's Law Constant | 2.0×101 mol/(m3Pa) at 25℃, Maniere et al. (2011) |
| Dielectric constant | 3.5（231℃） |
| Cosmetics Ingredients Functions | ANTISTATIC SKIN CONDITIONING ANTI-SEBUM HAIR CONDITIONING ANTIMICROBIAL ANTI-SEBORRHEIC |
| InChI | 1S/S |
| InChIKey | RWSOTUBLDIXVET-UHFFFAOYSA-N |
| SMILES | [S] |
| CAS DataBase Reference | 7704-34-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Sulfur atom(7704-34-9) |
| EPA Substance Registry System | Sulfur (7704-34-9) |
Description and Uses
Sulfur belongs to a nonmetallic chemical element (pure product: yellow crystalline solid) under the symbol S. It can actively react with many other elements. It exists in various kinds of forms and compound such as sulfide and sulfate minerals which can be found everywhere around the universe and earth. It is also a key element for all life as the major component of amino acids, vitamins and many other cofactors. Sulfur has applications in various kinds of fields. For example, one of its biggest applications is for the production of sulfuric acid for sulfate and phosphate fertilizers. It is also used for the manufacturing of insecticides, fungicides, and bactericides. In pharmaceutical, it can be used for the manufacturing of many kinds of sulfur-containing antibiotics.
Sulfur is one of the four major commodities of the chemical industry. The other three arelimestone, coal, and salt. Most sulfur that is produced is used to manufacture sulfuric acid(H2SO4). Forty million tons are produced each year in the manufacture of fertilizers, lead-acidbatteries, gunpowder, desiccants (drying agent), matches, soaps, plastics, bleaching agents,rubber, road asphalt binders, insecticides, paint, dyes, medical ointment, and other pharmaceuticalproducts, among many, many other uses. Sulfur is essential to life.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315 |
| Precautionary statements | P264-P280-P302+P352-P332+P313-P362+P364 |
| Hazard Codes | F,Xi |
| Risk Statements | 11-38 |
| Safety Statements | 16-26-46 |
| RIDADR | UN 1350 4.1/PG III (SULPHUR) |
| RIDADR | UN 2448 4.1/PG III (SULPHUR, MOLTEN) |
| WGK Germany | 1 |
| RTECS | WS4250000 |
| Autoignition Temperature | 450 °F &_& 450 °F |
| TSCA | TSCA listed |
| HazardClass | 4.1 |
| PackingGroup | III |
| HS Code | 28020000 |
| Storage Class | 4.1B - Flammable solid hazardous materials |
| Hazard Classifications | Skin Irrit. 2 |
| Hazardous Substances Data | 7704-34-9(Hazardous Substances Data) |
| Toxicity | LDLo intravenous in dog: 10mg/kg |
| REACH Registrations | Active |
| Limited Quantities | 5.0 Kg (11 lbs) (solid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) |