Skip to main content

Cobalt(II) phosphate octahydrate

Also known as: cobalt(2+),diphosphate,octahydrate, Cobalt(II) phosphate hydrate, Cobalt orthophosphate octahydrate, Cobalt phosphate octahydrate

Cobalt(II) phosphate octahydrate (CAS 10294-50-5) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Co3H16O16P2 and a molecular weight of 510.86500 g/mol. Key properties include a melting point of 200ºC, a boiling point of 158ºC at 760 mmHg and a density of 2.769 g/cm3. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. It is listed by 2 suppliers, from 3.00 to 4,000.00 CNY. Record last updated Aug 21, 2026.

CAS No.
10294-50-5
Jingsj CID
J-27126-8
Molecular Formula
Co3H16O16P2
Molecular Weight
510.86500 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
In Stock

Supplier Offers

2Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
Made to Order
98%
500g
¥1,500.00
$0.45 /gBest
¥3.00/g CNY
CN China
MOQ 500g
Made to Order
98%
100g
¥400.00
$0.6 /g
¥4.00/g CNY
CN China
MOQ 100g
In Stock
98%
500g
¥2,280.00
$0.68 /g
¥4.56/g CNY
CN China
MOQ 500g

Physicochemical Properties

Melting Point200ºC
Boiling Point158ºC at 760 mmHg
Density2.769 g/cm3
Exact Mass510.79100
PSA265.96000
LogP0.25760
Additional PropertySlightly soluble in water. Soluble in mineral acids.

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H334 — May cause allergy or asthma symptoms if inhaled
  • H335 — May cause respiratory irritation
  • H351 — Suspected of causing cancer

Frequently Asked Questions

What is the CAS number of Cobalt(II) phosphate octahydrate?

The CAS number of Cobalt(II) phosphate octahydrate is 10294-50-5.

What are the molecular formula and molecular weight of Cobalt(II) phosphate octahydrate?

Cobalt(II) phosphate octahydrate has molecular formula Co3H16O16P2 and molecular weight 510.86500 g/mol.

Which suppliers offer Cobalt(II) phosphate octahydrate?

2 supplier(s) listed; reference unit price ¥3.00–4000.00 /g.

Is Cobalt(II) phosphate octahydrate hazardous?

Cobalt(II) phosphate octahydrate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; 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. "Cobalt(II) phosphate octahydrate (CAS 10294-50-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27126-8 (accessed 2026-11-06).

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