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Ammonium nickel(II) sulfate hexahydrate

Also known as: Ammonium nickel sulfate hexahydrate, Nickel ammonium sulfate hexahydrate, Di-ammonium nickel(II) sulfate hexahydrate, Nickel(II) ammonium sulfate hexahydrate, Ammonium nickel(II) sulphate hexahydrate, EINECS 239-793-5, MFCD00150260

Ammonium nickel(II) sulfate hexahydrate (CAS 7785-20-8) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H20N2NiO14S2 and a molecular weight of 394.98700 g/mol. Key properties include a melting point of 85-89 °C(lit.), a boiling point of 330ºC at 760 mmHg and a density of 1,923 g/cm3. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H332 — Harmful if inhaled and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7785-20-8
Jingsj CID
J-44813-0
Molecular Formula
H20N2NiO14S2
Molecular Weight
394.98700 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
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Physicochemical Properties

Melting Point85-89 °C(lit.)
Boiling Point330ºC at 760 mmHg
Density1,923 g/cm3
Exact Mass393.97100
PSA232.66000

GHS Safety & Compliance

Irritant / Health Hazard / Environmental HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H332 — Harmful if inhaled
  • H317 — May cause an allergic skin reaction
  • H334 — May cause allergy or asthma symptoms if inhaled
  • H341 — Suspected of causing genetic defects
  • H372 — Causes damage to organs through prolonged exposure
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Ammonium nickel(II) sulfate hexahydrate?

The CAS number of Ammonium nickel(II) sulfate hexahydrate is 7785-20-8.

What are the molecular formula and molecular weight of Ammonium nickel(II) sulfate hexahydrate?

Ammonium nickel(II) sulfate hexahydrate has molecular formula H20N2NiO14S2 and molecular weight 394.98700 g/mol.

Is Ammonium nickel(II) sulfate hexahydrate hazardous?

Ammonium nickel(II) sulfate hexahydrate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled; H317 — May cause an allergic skin reaction.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Ammonium nickel(II) sulfate hexahydrate (CAS 7785-20-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44813-0 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.