2-Mercaptoethanol

C₂H₆OSCAS 60-24-278.13 g/mol

Open in Covalent MOL file

Alcohol Thiol

Properties

Molecular formula: C₂H₆OS
Molar mass: 78.13 g/mol
Exact mass: 78.0139 Da
Density: 1.1143 g/mL (at 20 °C)
Melting point: −100 °C
Boiling point: 157 °C
pKa: 9.72 (c = 0.00012 moles/L, 25 °C)
Flash point: 73.9 °C (open cup)
Water solubility: miscible
logP: -0.09Crippen estimate
Polar surface area: 20.2 Å²
H-bond donors / acceptors: 2 / 2
Rotatable bonds: 1

Hazards

Danger

H301 Toxic if swallowed53.5% of notifiers
H302 Harmful if swallowed45.9% of notifiers
H310 Fatal in contact with skin44% of notifiers
H311 Toxic in contact with skin55.4% of notifiers
H314 Causes severe skin burns and eye damage32.4% of notifiers
H315 Causes skin irritation66.8% of notifiers
H317 May cause an allergic skin reaction56.2% of notifiers
H318 Causes serious eye damage66.5% of notifiers
H331 Toxic if inhaled63.7% of notifiers
H332 Harmful if inhaled28% of notifiers
H361 Suspected of damaging fertility or the unborn child24.8% of notifiers
H373 May causes damage to organs through prolonged or repeated exposure51.8% of notifiers
H400 Very toxic to aquatic life59.6% of notifiers
H410 Very toxic to aquatic life with long lasting effects25.8% of notifiers
H411 Toxic to aquatic life with long lasting effects70.8% of notifiers

Aggregated from 787 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P203, P260, P261, P262, P264, P264+P265, P270, P271, P272, P273, P280, P301+P316, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P318, P319, P321, P330, P332+P317, P333+P317, P361+P364, P362+P364, P363, P391, P403+P233, P405, P501