2-Mercaptoethanol

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
pka :9.72(at 25℃)
form :liquid
color :Clear colorless to slightly yellow
Specific Gravity :1.119 (20/4℃)
Odor :Disagreeable odor
PH :4.5-6 (500g/l, H2O, 20℃)
PH Range :4.5 - 6 at 500 g/l at 20 °C
explosive limit :2.3-18%(V)
Water Solubility :soluble
FreezingPoint :<100℃
λmax :λ: 260 nm Amax: 1.5
λ: 280 nm Amax: 0.3 Sensitive :Air Sensitive & Hygroscopic
Merck :14,5869
JECFA Number :1925
BRN :773648
Henry's Law Constant :5.5×10¹ mol/(m³Pa) at 25℃, Duchowicz et al. (2020)
Stability :Air Sensitive
InChI :1S/C2H6OS/c3-1-2-4/h3-4H,1-2H2
InChIKey :DGVVWUTYPXICAM-UHFFFAOYSA-N
SMILES :OCCS
LogP :-0.20
CAS DataBase Reference :60-24-2(CAS DataBase Reference)
NIST Chemistry Reference :Ethanol, 2-mercapto-(60-24-2)
EPA Substance Registry System :2-Mercaptoethanol (60-24-2)
Absorption :≤0.31 at 280nm
≤1.50 at 260nm

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H227 Combustible liquid Flammable liquids Category 4 Warning P210, P280, P370+P378, P403+P235,P501 H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H310 Fatal in contact with skin Acute toxicity,dermal Category 1, 2 Danger P262, P264, P270, P280, P302+P350,P310, P322, P361, P363, P405, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H371 May cause damage to organs Specific target organ toxicity, single exposure Category 2 Warning P260, P264, P270, P309+P311, P405,P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P262 Do not get in eyes, on skin, or on clothing. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention. P370+P378 In case of fire: Use … for extinction. P391 Collect spillage. Hazardous to the aquatic environment P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…