硫

蒸汽密度

8.9 (vs air)

蒸汽压

1 mmHg ( 183.8 °C)
10 mmHg ( 246 °C)

等级

puriss.

方案

99.5-100.5%

表单

solid

自燃温度

450 °F

质量

meets analytical specification of Ph. Eur., BP, USP
precipitated

电阻率

2E23 μΩ-cm, 20°C

杂质

acidity or alkalinity, complies
residual solvents, complies
≤0.01% free alkali (as NaOH)
≤0.02% free acid (as H₂SO₄)
≤0.5% water (Karl Fischer)

灼烧残渣

≤0.2% (as SO₄)
≤0.3%

沸点

444.7 °C (lit.)

mp

112.8 °C (rhombic) (lit.)
117-120 °C (lit.)
119.0 °C (monoclinic) (lit.)

溶解性

carbon disulfide: in accordance 1 g/5mL

痕量阴离子

chloride (Cl^-): ≤100 mg/kg
sulfate (SO₄^2-): ≤100 mg/kg
sulfide (S^2-): ≤10 mg/kg

痕量阳离子

As: ≤40 mg/kg

适用性

complies for appearance of solution
corresponds for odor

SMILES字符串

[S]

InChI

1S/S

InChI key

NINIDFKCEFEMDL-UHFFFAOYSA-N