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22754

Sigma-Aldrich

Chlorine

puriss., ≥99.8%

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About This Item

Empirical Formula (Hill Notation):
Cl2
CAS Number:
Molecular Weight:
70.91
Beilstein:
3902968
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22

vapor density

2.48 (vs air)

vapor pressure

4800 mmHg ( 20 °C)

grade

puriss.

Assay

≥99.8%

resistivity

1E9 μΩ-cm, 20°C

evapn. residue

≤40 ppm

bp

−34 °C (lit.)

mp

−101 °C (lit.)

SMILES string

ClCl

InChI

1S/Cl2/c1-2

InChI key

KZBUYRJDOAKODT-UHFFFAOYSA-N

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Packaging

Cylinder with net ~6 kg
DIN 477 nr.8

Analysis Note

corresponds to DIN 19607 ′chlorine for water treatment′

Other Notes

Sales restrictions may apply

Recommended products

For 22754-6KG-F EU: Z742162/Z742164 DIN 1 Regulators OR 99112 DIN 1 Valve
For 22754-6KG-F US: Z146706 CGA 180 OR Z146943 CGA 110 valve with Z147095 CGA 110 to CGA 180 adapter and Z146986 washer for valve

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Aquatic Acute 1 - Eye Irrit. 2 - Ox. Gas 1 - Press. Gas Compr. Gas - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

2A - Gases

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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N Salgueiro-González et al.
Journal of chromatography. A, 1281, 46-53 (2013-02-12)
This work describes the development and validation of a novel, simple, sensitive and environmental friendly analytical method for the determination of alkylphenols in different types of water samples. The methodology was based on a membrane assisted solvent extraction of only
Xinming Li et al.
Nanoscale, 5(5), 1945-1948 (2013-01-30)
We demonstrated the p-type chemical doping by chlorine and nitrate anions to enhance the Schottky junction in the solar cell. Nitrate ions were found to be more effective for reducing the sheet resistance and enlarging the work function of graphene
Per Bengtson et al.
Environmental microbiology, 11(6), 1330-1339 (2009-05-21)
Several studies have demonstrated that extensive formation of organically bound chlorine occurs both in soil and in decaying plant material. Previous studies suggest that enzymatic formation of reactive chlorine outside cells is a major source. However, the ecological role of
Marie Deborde et al.
Water research, 42(1-2), 13-51 (2007-10-05)
Numerous inorganic and organic micropollutants can undergo reactions with chlorine. However, for certain compounds, the expected chlorine reactivity is low and only small modifications in the parent compound's structure are expected under typical water treatment conditions. To better understand/predict chlorine
G Rossi-Fedele et al.
International endodontic journal, 44(9), 792-799 (2011-06-11)
Chlorine-containing solutions are used for broad disinfection purposes. Water disinfection literature suggests that their disinfectant action depends on pH values as this will influence the available free chlorine forms. Hypochlorous acid (HOCl) has been suggested to have an antimicrobial effect

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