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84683

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:
12141912
PubChem Substance ID:
329769307
NACRES:
NA.21
Assay:
≥99% (T)
form:
powder

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

Signal Word

Warning

Hazard Statements

H315

Hazard Classifications

Skin Irrit. 2

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 2: Flammable solids
Sulfur
Hazardous rank II

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

84683-VAR:
84683-1KG:
84683-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
STBL0994
STBK7108
STBK3719
STBJ9912
STBJ8227

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Paweł Wyżga et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 26(23), 5245-5256 (2020-01-17)
The homogeneity range of ternary iron indium thiospinel at 873 K was investigated. A detailed study was focused on two distinct series (y=z): 1) a previously reported charge-balanced (In0.67+0.33y □0.33-0.33y )tetr [In2-z Fez ]oct S4 (A1-series; □ stands for vacancy; the abbreviations
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The use of chromium reduction in the analysis of reduced inorganic sulfur in sediments and shales.
Canfield DE, et al.
Chemical Geology , 54(1), 149-155 (1986)
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