Selenic acid
Also known as: EINECS 231-979-4, H2SeO4, MFCD00012191, SELENIC ACID, Selenicacid, Selenocystathionine, UN1905, dihydroxidodioxidoselenium, selenate acid, selenic acid, selenic asid, selenite acid, selenium acid
Selenic acid (CAS 7783-08-6) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H2O4Se and a molecular weight of 144.973 g/mol. Key properties include a melting point of 58°C, a boiling point of 260°C, a density of 1.407 g/mL at 25 °C and a flash point of >110.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H331 — Toxic if inhaled and H373 — May cause damage to organs through prolonged exposure. It is listed by 1 supplier, from 52.00 to 120.00 CNY. Record last updated Nov 3, 2026.
- CAS No.
- 7783-08-6
- Jingsj CID
- J-1061720-7
- Molecular Formula
- H2O4Se
- Molecular Weight
- 144.973 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 11/3/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500g | ¥26,000.00 | $7.78 /gBest ¥52.00/g CNY | CN China MOQ 500g | |
In Stock | 98% 100g | ¥8,400.00 | $12.57 /g ¥84.00/g CNY | CN China MOQ 100g | |
In Stock | 98% 25g | ¥2,400.00 | $14.37 /g ¥96.00/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 58°C |
|---|---|
| Boiling Point | 260°C |
| Density | 1.407 g/mL at 25 °C |
| Flash Point | >110.0 °C |
| Exact Mass | 145.911835 |
| PSA | 74.60000 |
| Refractive Index | n20/D 1.5174(lit.) |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H331 — Toxic if inhaled
- H373 — May cause 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 Selenic acid?
The CAS number of Selenic acid is 7783-08-6.
What are the molecular formula and molecular weight of Selenic acid?
Selenic acid has molecular formula H2O4Se and molecular weight 144.973 g/mol.
Which suppliers offer Selenic acid?
1 supplier(s) listed; reference unit price ¥52.00–120.00 /g.
Is Selenic acid hazardous?
Selenic acid has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H331 — Toxic if inhaled; H373 — May cause damage to organs through prolonged exposure.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Selenic acid (CAS 7783-08-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1061720-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.