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antimony (iv) oxide

Also known as: 1,3-dioxodistiboxane 1-oxide, Antimony oxide (Sb2O4), Diantimony tetraoxide, EINECS 215-576-0, MFCD00011215, antimony tetroxide, dioxo(oxostibanyloxy), dioxo(oxostibanyloxy)-λ5-stibane, dioxostibanyl stibinate, Antimony(IV) oxide, Antimony oxide (Sb₂O₄)

antimony (iv) oxide (CAS 1332-81-6) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula O4Sb2 and a molecular weight of 307.51800 g/mol. Key properties include a melting point of 930℃ and a density of 5.82 g/mL at 25 °C(lit.). It is listed by 1 supplier, from 25.00 to 60.00 CNY. Record last updated Aug 21, 2026.

CAS No.
1332-81-6
Jingsj CID
J-1314361-9
Molecular Formula
O4Sb2
Molecular Weight
307.51800 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
Made to Order

Supplier Offers

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SupplierPurity / PackBase PriceUnit PriceOrigin
Made to OrderPlatform-operated
99%
100g
¥2,500.00
$3.74 /gBest
¥25.00/g CNY
CN China
MOQ 100g
Made to OrderPlatform-operated
99%
25g
¥800.00
$4.79 /g
¥32.00/g CNY
CN China
MOQ 25g
Made to OrderPlatform-operated
99%
5g
¥300.00
$8.98 /g
¥60.00/g CNY
CN China
MOQ 5g

Physicochemical Properties

Melting Point930℃
Density5.82 g/mL at 25 °C(lit.)
Exact Mass305.78700
PSA68.28000

Frequently Asked Questions

What is the CAS number of antimony (iv) oxide?

The CAS number of antimony (iv) oxide is 1332-81-6.

What are the molecular formula and molecular weight of antimony (iv) oxide?

antimony (iv) oxide has molecular formula O4Sb2 and molecular weight 307.51800 g/mol.

Which suppliers offer antimony (iv) oxide?

1 supplier(s) listed; reference unit price ¥25.00–60.00 /g.

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

Last updated:

How to cite: Jingsj. "antimony (iv) oxide (CAS 1332-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1314361-9 (accessed 2026-11-06).

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