Nickel(II) sulfate 7-hydrate

280.91 g·mol−1

1.948 g/mL at 25 °C(lit.)

330 °C at 760 mmHg

green to dark green needle-like crystals or powder

UN 3077 9/PG 3

R20/22 - Harmful by inhalation and if swallowed
R22 - Harmful if swallowed
R38 - Irritating to skin
R40 - Limited evidence of a carcinogenic effect
R42/43 - May cause sensitization by inhalation and skin contact
R48/23 - Toxic: danger of serious damage to health by prolonged exposure through inhalation
R49 - May cause cancer by inhalation
R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R61 - May cause harm to the unborn child
R68 - Possible risk of irreversible effects

S22 - Do not breathe dust
S36/37 - Wear suitable protective clothing and gloves
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
S53 - Avoid exposure - obtain special instructions before use
S60 - This material and its container must be disposed of as hazardous waste
S61 - Avoid release to the environment. Refer to special instructions/safety data sheet

Xn, N, T

UN 3077 9 / PG 3