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Key Documents

8.20744

Sigma-Aldrich

Potassium-O-ethyldithiocarbonate

for synthesis

Synonym(s):

Potassium-O-ethyldithiocarbonate, Potassium ethylxanthogenate, Potassium xanthogenate

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About This Item

Empirical Formula (Hill Notation):
C3H5KOS2
CAS Number:
140-89-6
Molecular Weight:
160.30
MDL number:
MFCD00004931
UNSPSC Code:
12352107
EC Index Number:
205-439-3
NACRES:
NA.22

Quality Level

200

form

solid

potency

1700 mg/kg LD50, oral (Rat)

pH

9-10 (20 °C, 100 g/L in H2O)

mp

209-214 °C (decomposes)

solubility

1090 g/L

bulk density

400‑600 kg/m3

storage temp.

2-30°C

InChI

1S/C3H6OS2.K/c1-2-4-3(5)6;/h2H2,1H3,(H,5,6);/q;+1/p-1

InChI key

JCBJVAJGLKENNC-UHFFFAOYSA-M

Analysis Note

Assay (iodometric): ≥ 97.0 %
Identity (IR): passes test

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

supp_hazards

EUH018

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk_germany

WGK 3

flash_point_f

204.8 °F

flash_point_c

96 °C

Certificates of Analysis (COA)

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