110-81-6

Name Diethyl disulfide
CAS 110-81-6
EINECS(EC#) 205-710-6
Molecular Formula C5H16NNaO3S2
MDL Number MFCD00150617
Molecular Weight 225.31
MOL File 110-81-6.mol
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Chemical Properties

Appearance clear colorless to light yellow liquid
Melting point  95-98.5 °C(lit.)
Boiling point  151-153 °C (lit.)
density  0.993 g/mL at 25 °C(lit.)
vapor density  5.9 (vs air)
vapor pressure  5.7 hPa (25 °C)
FEMA  4093
refractive index  n20/D 1.506(lit.)
Fp  104 °F
storage temp.  −20°C
solubility  H2O: passes test
form  liquid
color  Colorless to Light yellow to Light orange
Odor at 0.10 % in triacetin. gassy ripe onion greasy garlic
biological source synthetic
Odor Threshold 0.002ppm
Odor Type alliaceous
Water Solubility  Soluble in water.
Specific Heat Capacity Cp(liquid):204J/(g·K),at 25℃
JECFA Number 1699
BRN  1098273
Henry's Law Constant 3.7×10-3 mol/(m3Pa) at 25℃, Burkholder et al. (2019)
Dielectric constant 18.9（19℃）
Major Application flavors and fragrances
InChI 1S/C4H10S2/c1-3-5-6-4-2/h3-4H2,1-2H3
InChIKey CETBSQOFQKLHHZ-UHFFFAOYSA-N
SMILES CCSSCC
LogP 2.86
CAS DataBase Reference 110-81-6(CAS DataBase Reference)
NIST Chemistry Reference Disulfide, diethyl(110-81-6)
EPA Substance Registry System 110-81-6(EPA Substance)
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Safety Data

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Warning
Hazard statements  H226-H315-H319-H335
Precautionary statements  P210-P233-P240-P241-P303+P361+P353-P305+P351+P338
Hazard Codes  Xn,Xi
Risk Statements 
R22:Harmful if swallowed.
R38:Irritating to the skin.
R41:Risk of serious damage to eyes.
R36/37/38:Irritating to eyes, respiratory system and skin .
R10:Flammable.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S39:Wear eye/face protection .
S37/39:Wear suitable gloves and eye/face protection .
S16:Keep away from sources of ignition-No smoking .
S36:Wear suitable protective clothing .
RIDADR  UN 1993 3/PG 3
WGK Germany  3
RTECS  JO1925000
TSCA  Yes
REACH Registrations Active
HazardClass  3
PackingGroup  III
HS Code  29309090
Storage Class 3 - Flammable liquids
Hazard Classifications Eye Irrit. 2
Flam. Liq. 3
Skin Irrit. 2
STOT SE 3
Toxicity
LD50 orally in Rabbit: 2030 mg/kg

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Material Safety Data Sheet(MSDS)

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