1,2-Ethanedithiol 540-63-6 98%
1,2-Ethanedithiol Chemical Properties
Melting point -41 °C (lit.)
Boiling point 144-146 °C (lit.)
density 1.123 g/mL at 25 °C (lit.)
vapor density >1 (vs air)
vapor pressure 4.8 mm Hg ( 20 °C)
FEMA 3484 | 1,2-ETHANEDITHIOL
refractive index n20/D 1.558(lit.)
Fp 122 °F
storage temp. Store at 0-5°C
pka pK1:8.96;pK2:10.54 (25°C)
form Liquid
color Clear slightly colored
Water Solubility insoluble
Sensitive Air Sensitive
JECFA Number 532
Merck 14,3725
BRN 505946
Stability: Stable. Flammable. Incompatible with oxidizing agents, bases, reducing agents, alkali metals.
InChIKey VYMPLPIFKRHAAC-UHFFFAOYSA-N
CAS DataBase Reference 540-63-6(CAS DataBase Reference)
NIST Chemistry Reference 1,2-Ethanedithiol(540-63-6)
EPA Substance Registry System 1,2-Ethanedithiol (540-63-6)
1,2-Ethanedithiol Basic information
Description Chemical and Physical properties Preparation Precautions Hazard Statements
Product Name: 1,2-Ethanedithiol
Synonyms: 1,2- B twoMercaptan;ethane-1,2-dithiol;Ethylene dithioglycol;Ethylene glycol, dithio-;ethylenedithioglycol;Ethylenedithiol;ethylhydropersulfide;s-Ethylene dimercaptan
CAS: 540-63-6
MF: C2H6S2
MW: 94.2
EINECS: 208-752-3
Mol File: 540-63-6.mol
Safety Information
Hazard Codes T,Xn,F
Risk Statements 10-23/24/25-23/25-21-36-23-21/22-36/37/38-20/21/22
Safety Statements 36/37/39-45-26-16-36/37-36-7/9
RIDADR UN 3071 6.1/PG 2
WGK Germany 3
RTECS KI3325000
F 10-13-23
TSCA Yes
HazardClass 3
PackingGroup III
HS Code 29309070
Hazardous Substances Data 540-63-6(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 120 mg/kg LD50 dermal Rabbit 197 mg/kg
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