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180173 Sigma-Aldrich

Carbon disulfide

ACS reagent, ≥99.9%

  • CAS Number 75-15-0

  • Empirical Formula (Hill Notation) CS2

  • Molecular Weight 76.14

  •  Beilstein/REAXYS Number 1098293

  •  EC Number 200-843-6

  •  MDL number MFCD00011321

  •  PubChem Substance ID 329751607

  •  NACRES NA.21

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Properties

Related Categories ACS Grade Solvents, ACS and Reagent Grade Solvents, Solvent Bottles, Solvent Packaging Options, Solvent by Application,
Quality Level   200
grade   ACS reagent
vapor density   2.67 (vs air)
vapor pressure   5.83 psi
assay   ≥99.9%
form   liquid
autoignition temp.   212 °F
expl. lim.   50 %
impurities   H2S, passes test (lim. ~1.5 ppm)
  SO2, passes test (lim ~2.5 ppm)
  ≤0.05% water
evapn. residue   ≤0.002%
color   APHA: ≤10
refractive index   n20/D 1.627 (lit.)
bp   46 °C (lit.)
mp   −112-−111 °C (lit.)
density   1.266 g/mL at 25 °C (lit.)
SMILES string   S=C=S
InChI   1S/CS2/c2-1-3
InChI key   QGJOPFRUJISHPQ-UHFFFAOYSA-N

Description

General description

Carbon disulfide (CS2) is a colorless liquid. It is present in atmosphere and natural waters in the form of sulfur gas. It is responsible for the production of sulfur dioxide (SO2) in the atmosphere (stratosphere and/or troposphere). Its lifetime in the atmosphere has been proposed to be around 12 days. It is a non-polar solvent.

Carbon disulfide is a highly volatile, flammable liquid with low ignition temperature. It can be synthesized by reacting hydrocarbon gas with sulfur. It is an important raw material for preparing viscose rayon and cellophane film.

Application

Carbon disulfide has been used for the desorption of air samples during analysis of trihalomethanes (THMs) in those samples.
It may be used in the preparation of dibenzyl trithiocarbonate, a RAFT (Reversible Addition-Fragmentation Transfer) chain-transfer agent (CTA). It may be employed as a solvent in the preparation of benzyl chlorodithioformate.

Carbon disulfide may be used in the xanthogenation of cellulose and in the synthesis of poly(ethylene trithiocarbonate) and dithiocarbamates. C2S may undergo hydrolysis catalyzed by nanosized titania and zirconia to form CO2 and H2S. It can also generate 1,3-dithiolium carbenes via cycloaddition with acetylenes.

Packaging

1, 2 L in Sure/Seal™

500 mL in Sure/Seal™

View returnable container options.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
RIDADR 
UN1131 - class 3 - PG 1 - Carbon disulfide
WGK Germany 
WGK 2
RTECS 
FF6650000

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

Peer-Reviewed Papers
15

References

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902780 Carbon disulfide solution, 5.0 M in hexane

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