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Sigma-Aldrich

Sulfur

purum p.a., ≥99% (T)

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About This Item

Empirical Formula (Hill Notation):
S
CAS Number:
7704-34-9
Molecular Weight:
32.07
EC Number:
231-722-6
MDL number:
MFCD00085316
UNSPSC Code:
12352300
PubChem Substance ID:
329769307
NACRES:
NA.21

vapor density

8.9 (vs air)

Quality Level

100

vapor pressure

1 mmHg ( 183.8 °C)
10 mmHg ( 246 °C)

grade

purum p.a.

assay

≥99% (T)

form

powder

autoignition temp.

450 °F

resistivity

2E23 μΩ-cm, 20°C

ign. residue

≤0.2%

bp

444.7 °C (lit.)

mp

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

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Na: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES string

[S]

InChI

1S/S

InChI key

NINIDFKCEFEMDL-UHFFFAOYSA-N

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General description

Sulfur is a chalcogen (ore forming element). It is present in abundant quantities in marine and freshwater sediments. It exists in various forms such as pyrite, acid volatile sulfides, elemental sulfur, sulfates and organic sulfur. Quantitative estimation of reduced inorganic sulfur compounds in modern sediments and shales by a chromium reduction technique has been described. Elemental sulfur is employed for the synthesis of arsenic monosulfide and benzothiazole.

Application

Sulfur has been employed as a reactant in the preparation of Cu-doped iron sulfides.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315

Hazard Classifications

Skin Irrit. 2

Storage Class

4.1B - Flammable solid hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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