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Merck
CN

22752

Chlorine

puriss., ≥99.8%

Synonym(s):

Chlorine gas

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About This Item

Empirical Formula (Hill Notation):
Cl2
CAS Number:
7782-50-5
Molecular Weight:
70.91
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
329752339
EC Number:
231-959-5
Beilstein/REAXYS Number:
3902968
MDL number:
MFCD00010934

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Product Name

Chlorine, puriss., ≥99.8%

InChI key

KZBUYRJDOAKODT-UHFFFAOYSA-N

InChI

1S/Cl2/c1-2

SMILES string

ClCl

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.)

Quality Level

100

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Analysis Note

corresponds to DIN EN 937 tab.1 and tab.2: type 1 ′chemicals used for treatment of water intended for human consumption-chlorine ′

Disclaimer

Sales restrictions may apply

Packaging

Cylinder with net ~2 kg
DIN 477 nr.8

signalword

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

2A - Gases

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
STBL4613
STBL3927
STBL3875
STBL3726
STBL3548

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Suhail Ahmad et al.
Environmental research, 133, 20-26 (2014-06-07)
Invasive aspergillosis due to triazole-resistant Aspergillus fumigatus, a common airborne fungal pathogen, has emerged in some European and Asian countries, likely due to exposure to azole fungicides in the environment. This study determined the occurrence of triazole-resistant A. fumigatus in
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
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
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
Melissa A Gessner et al.
American journal of physiology. Lung cellular and molecular physiology, 304(11), L765-L773 (2013-04-09)
Chlorine (Cl₂) is a highly irritating and reactive gas with potential occupational and environmental hazards. Acute exposure to Cl₂ induces severe epithelial damage, airway hyperreactivity, impaired alveolar fluid clearance, and pulmonary edema in the presence of heightened inflammation and significant
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