molybdenum trioxide
Also known as: EINECS 215-204-7, MFCD00003469, MOLYBDENIUM TRIOXIDE pure, Mo 1202T, Molybdena, Molybdenum Trioxide, Molybdenum anhydride, Molybdenum trioxide, Molybdenum(VI) oxide, mo1202t, trioxomolybdenum
molybdenum trioxide (CAS 1313-27-5) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula MoO3 and a molecular weight of 143.95800 g/mol. Key properties include a melting point of 795ºC, a boiling point of 1155ºC, a density of 4.692 and a flash point of 1155ºC subl.. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation, H335 — May cause respiratory irritation and H351 — Suspected of causing cancer. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 1313-27-5
- Jingsj CID
- J-17124-5
- Molecular Formula
- MoO3
- Molecular Weight
- 143.95800 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 795ºC |
|---|---|
| Boiling Point | 1155ºC |
| Density | 4.692 |
| Flash Point | 1155ºC subl. |
| Exact Mass | 145.89000 |
| PSA | 51.21000 |
| Additional Property | 0.5 g/L (20 ºC) |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H351 — Suspected of causing cancer
Customs & Trade Information
| HS Code | 2825700000 |
|---|
Frequently Asked Questions
What is the CAS number of molybdenum trioxide?
The CAS number of molybdenum trioxide is 1313-27-5.
What are the molecular formula and molecular weight of molybdenum trioxide?
molybdenum trioxide has molecular formula MoO3 and molecular weight 143.95800 g/mol.
Which suppliers offer molybdenum trioxide?
1 supplier(s) listed; request a quote for pricing.
Is molybdenum trioxide hazardous?
molybdenum trioxide has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation; H335 — May cause respiratory irritation; H351 — Suspected of causing cancer.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "molybdenum trioxide (CAS 1313-27-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17124-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.