Sulfur

99.5-100.5%, meets analytical specification of Ph. Eur., BP, USP, puriss., precipitated

• CAS Number 7704-34-9

• Empirical Formula (Hill Notation) S

• Molecular Weight 32.07

•  EC Number 231-722-6

•  MDL number MFCD00085316

•  PubChem Substance ID 24848229

• Properties

  vapor density	8.9 (vs air)
  vapor pressure	1 mmHg ( 183.8 °C)
  	10 mmHg ( 246 °C)
  grade	puriss.
  assay	99.5-100.5%
  autoignition temp.	450 °F
  quality	meets analytical specification of Ph. Eur., BP, USP
  	precipitated
  resistivity	2E23 μΩ-cm, 20°C
  impurities	acidity or alkalinity, complies
  	residual solvents, complies
  	≤0.01% free alkali (as NaOH)
  	≤0.02% free acid (as H2SO4)
  	≤0.5% water (Karl Fischer)
  ign. residue	≤0.2% (as SO4)
  	≤0.3%
  bp	444.7 °C(lit.)
  mp	112.8 °C (rhombic)(lit.)
  	117-120 °C(lit.)
  	119.0 °C (monoclinic)(lit.)
  solubility	carbon disulfide: in accordance1 g/5mL
  anion traces	chloride (Cl-): ≤100 mg/kg
  	sulfate (SO42-): ≤100 mg/kg
  	sulfide (S2-): ≤10 mg/kg
  cation traces	As: ≤40 mg/kg
  suitability	complies for appearance of solution
  	corresponds for odor

  Description

  Other Notes

  A -D suffix exists for administrative purposes only.
  All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

• Safety Information

  Symbol 

    GHS07

  Signal word 

  Warning

  Hazard statements 

  H315

  Personal Protective Equipment 

  Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

  RIDADR 

  UN 1350 4.1 / PGIII

  WGK Germany 

  1

  RTECS 

  WS4250000

  Flash Point(F) 

  404.6 °F

  Flash Point(C) 

  207 °C