1,2-Ethanedithiol（CAS#540-63-6）

Product Detail

Molecular Formula	C2H6S2
Molar Mass	94.2
Density	1.123 g/mL at 25 °C (lit.)
Melting Point	-41 °C (lit.)
Boling Point	144-146 °C (lit.)
Flash Point	122°F
JECFA Number	532
Water Solubility	insoluble
Vapor Presure	4.8 mm Hg ( 20 °C)
Vapor Density	>1 (vs air)
Appearance	Liquid
Color	Clear slightly colored
Merck	14,3725
BRN	505946
pKa	pK1:8.96;pK2:10.54 (25°C)
Storage Condition	Store below +30°C.
Stability	Stable. Flammable. Incompatible with oxidizing agents, bases, reducing agents, alkali metals.
Sensitive	Air Sensitive
Refractive Index	n20/D 1.558(lit.)
Physical and Chemical Properties	Clear to light green liquid. A pungent, queasy thiol odor. Boiling Point 146 °c, or 46-47 °c (800Pa). Insoluble in water, miscible in oil. Natural products are found in boiled beef.
Use	Used as a pharmaceutical Intermediate

Risk Codes	R10 – Flammable R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed. R23/25 – Toxic by inhalation and if swallowed. R21 – Harmful in contact with skin R36 – Irritating to the eyes R23 – Toxic by inhalation R21/22 – Harmful in contact with skin and if swallowed. R36/37/38 – Irritating to eyes, respiratory system and skin. R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed.
Safety Description	S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 – Keep away from sources of ignition. S36/37 – Wear suitable protective clothing and gloves. S36 – Wear suitable protective clothing. S7/9 -
UN IDs	UN 3071 6.1/PG 2
WGK Germany	3
RTECS	KI3325000
FLUKA BRAND F CODES	10-13-23
TSCA	Yes
HS Code	29309070
Hazard Class	3
Packing Group	III
Toxicity	LD50 orally in Rabbit: 120 mg/kg LD50 dermal Rabbit 197 mg/kg