p-Phenylene diisocyanate

C₈H₄N₂O₂CAS 104-49-4160.13 g/mol

Open in Covalent MOL file

Isocyanate

Properties

Molecular formula: C₈H₄N₂O₂
Molar mass: 160.13 g/mol
Exact mass: 160.0273 Da
Density: 1.17 g/mL (at 100 °C)
Melting point: 93–94 °C (sublimes)
Boiling point: 124–125 °C (at 10 Torr)
Flash point: 98.9 °C
Water solubility: < 1 g/L (20 °C)
logP: 1.62Crippen estimate
Polar surface area: 58.9 Å²
H-bond donors / acceptors: 0 / 4
Rotatable bonds: 2

Hazards

Danger

H302 Harmful if swallowed23.9% of notifiers
H312 Harmful in contact with skin23.9% of notifiers
H315 Causes skin irritation100% of notifiers
H317 May cause an allergic skin reaction74.8% of notifiers
H318 Causes serious eye damage24.5% of notifiers
H319 Causes serious eye irritation75.5% of notifiers
H330 Fatal if inhaled75.5% of notifiers
H332 Harmful if inhaled23.9% of notifiers
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled98.8% of notifiers
H335 May cause respiratory irritation31.3% of notifiers
H411 Toxic to aquatic life with long lasting effects74.2% of notifiers

Aggregated from 163 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P233, P260, P261, P264, P264+P265, P270, P271, P272, P273, P280, P284, P301+P317, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P319, P320, P321, P330, P332+P317, P333+P317, P337+P317, P342+P316, P362+P364, P391, P403, P403+P233, P405, P501