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13803

Sigma-Aldrich

Sulfur

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

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Empirical Formula (Hill Notation):
S
CAS Number:
Molecular Weight:
32.07
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
SB.54

vapor density

8.9 (vs air)

Quality Level

vapor pressure

1 mmHg ( 183.8 °C)
10 mmHg ( 246 °C)

grade

puriss.

assay

99.5-100.5%

form

solid

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 accordance 1 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

SMILES string

[S]

InChI

1S/S

InChI key

NINIDFKCEFEMDL-UHFFFAOYSA-N

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1 of 4

This Item
21523641498013825
vibrant-m

13803

Sulfur

Essential Grade
vibrant-m

215236

Sulfur

Essential Grade
vibrant-m

414980

Sulfur

-
vibrant-m

13825

Sulfur

-
assay

99.5-100.5%

assay

-

assay

99.98% trace metals basis

assay

≥99.0%

solubility

carbon disulfide: in accordance 1 g/5mL

solubility

-

solubility

-

solubility

-

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

grade

puriss.

grade

-

grade

-

grade

-

mp

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

mp

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

mp

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

mp

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

General description

Sulfur is present in abundant quantities in marine and freshwater sediments. It exists in the form of various sulfur compounds 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.
Sulfur is naturally present in cysteine and methionine amino acids, which can be detected by inductively coupled plasma mass spectrometry(ICP-MS). It is also an important element required for plant growth, since it is useful in lowering the pH of the soil.

pictograms

Exclamation mark

signalword

Warning

hcodes

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


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Sulfur as the key element for quantitative protein analysis by capillary liquid chromatography coupled to element mass spectrometry
Wind M, et al.
Angewandte Chemie (International Edition in English), 42(29), 3425-3427 (2003)
Mccarty.B.L et al.
Fundamentals of Turfgrass and Agricultural Chemistry (2003)
Electron microscopy study of CVT grown Fe-sulphides.
Zavasnik J and Recnik A.
Journal of Crystal Growth, 367, 18-23 (2013)

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