Hydroxylamine

H₃NOCAS 9001-84-733.03 g/mol

Open in Covalent MOL file

Primary amine

Properties

Molecular formula: H₃NO
Molar mass: 33.03 g/mol
Exact mass: 33.0215 Da
Density: 1.227 g/mL (at 20 °C)
pKa: 5.94 (25 °C)
Flash point: 129.4 °C
Water solubility: freely soluble
logP: -0.67Crippen estimate
Polar surface area: 46.3 Å²
H-bond donors / acceptors: 2 / 2
Rotatable bonds: 0

Hazards

Danger

H200 (Deleted) Unstable ExplosiveExplosives
H290 May be corrosive to metalsCorrosive to Metals
H302 Harmful if swallowedAcute toxicity, oral
H312 Harmful in contact with skinAcute toxicity, dermal
H315 Causes skin irritationSkin corrosion/irritation
H317 May cause an allergic skin reactionSensitization, Skin
H318 Causes serious eye damageSerious eye damage/eye irritation
H335 May cause respiratory irritationSpecific target organ toxicity, single exposure; Respiratory tract irritation
H351 Suspected of causing cancerCarcinogenicity
H373 ** May causes damage to organs through prolonged or repeated exposureSpecific target organ toxicity, repeated exposure
H400 Very toxic to aquatic lifeHazardous to the aquatic environment, acute hazard

Harmonised EU classification (CLP Annex VI), via PubChem.

Precautionary statements

P201, P202, P203, P234, P260, P261, P264, P264+P265, P270, P271, P272, P273, P280, P281, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P318, P319, P321, P330, P332+P317, P333+P317, P362+P364, P372, P373, P380, P390, P391, P401, P403+P233, P405, P406, P501