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180173

Sigma-Aldrich

Carbon disulfide

ACS reagent, ≥99.9%

Empirical Formula (Hill Notation):
CS2
CAS Number:
Molecular Weight:
76.14
Beilstein:
1098293
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent

Quality Level

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

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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

500 mL in Sure/Seal™
1, 2 L in Sure/Seal™

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-22.0 °F

Flash Point(C)

-30 °C

Certificate of Analysis

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Certificate of Origin

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