Basic information Safety Use Preparation Products And Raw materials Spectrum Related
2-Mercaptoethanol Structure

2-Mercaptoethanol

Chemical Properties

Melting point -100 °C
Boiling point 157 °C (lit.)
Density  1.114 g/mL at 25 °C (lit.)
vapor density  2.69 (vs air)
vapor pressure  1 mm Hg ( 20 °C)
refractive index  n20/D 1.500(lit.)
FEMA  4582 | 2-HYDROXYETHANETHIOL
Flash point 165 °F
storage temp.  Store below +30°C.
solubility  H2O: 1 mL/mL
form  liquid
pka 9.72(at 25℃)
color  Clear colorless to slightly yellow
Specific Gravity 1.119 (20/4℃)
Odor Disagreeable odor
PH Range 4.5 - 6 at 500 g/l at 20 °C
PH 4.5-6 (500g/l, H2O, 20℃)
explosive limit 2.3-18%(V)
Water Solubility  soluble
FreezingPoint  <100℃
Sensitive  Air Sensitive & Hygroscopic
λmax λ: 260 nm Amax: 1.5
λ: 280 nm Amax: 0.3
JECFA Number 1925
Merck  14,5869
BRN  773648
Stability Air Sensitive
LogP -0.20
Indirect Additives used in Food Contact Substances 2-MERCAPTOETHANOL
Substances Added to Food (formerly EAFUS) 2-MERCAPTOETHANOL
CAS DataBase Reference 60-24-2(CAS DataBase Reference)
FDA UNII 14R9K67URN
NIST Chemistry Reference Ethanol, 2-mercapto-(60-24-2)
EPA Substance Registry System 2-Mercaptoethanol (60-24-2)

Safety

Symbol(GHS) GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
Signal wordDanger
Hazard statements H301+H331-H310-H315-H317-H318-H361d-H373-H410
Precautionary statements P273-P280-P301+P310-P302+P352+P310-P304+P340+P311-P305+P351+P338
Hazard Codes  T,N
Risk Statements  20/22-24-34-51/53-36/37/38-22-23/24/25-50/53-48/22-43-41-38
Safety Statements  26-36/37/39-45-61-29-23-27-60
RIDADR  UN 2966 6.1/PG 2
WGK Germany  3
RTECS  KL5600000
3-10-13-23
Autoignition Temperature 295 °C
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  29309070
Hazardous Substances Data 60-24-2(Hazardous Substances Data)
NFPA 704:
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2-Mercaptoethanol Chemical Properties,Usage,Production