Thiophene

C₄H₄SCAS 110-02-184.14 g/mol

Open in Covalent MOL file

Properties

Molecular formula: C₄H₄S
Molar mass: 84.14 g/mol
Exact mass: 84.0034 Da
Density: 1.0649 g/mL (at 20 °C)
Melting point: −39.4 °C
Boiling point: 84 °C
Flash point: -1.1 °C (closed cup)
Water solubility: < 1 g/L (23.9 °C)
logP: 1.75Crippen estimate
Polar surface area: 0.0 Å²
H-bond donors / acceptors: 0 / 1
Rotatable bonds: 0

Hazards

Danger

H225 Highly Flammable liquid and vapor98.5% of notifiers
H302 Harmful if swallowed67% of notifiers
H312 Harmful in contact with skin19.7% of notifiers
H315 Causes skin irritation68.8% of notifiers
H318 Causes serious eye damage36.1% of notifiers
H319 Causes serious eye irritation51.2% of notifiers
H331 Toxic if inhaled13.6% of notifiers
H332 Harmful if inhaled30.2% of notifiers
H335 May cause respiratory irritation36.1% of notifiers
H412 Harmful to aquatic life with long lasting effects57% of notifiers

Aggregated from 391 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, P501