1,2-Ethanedithiol CAS NO.540-63-6

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