Selenium(IV) chloride (-8 mesh)

Also known as: (T-4)-Seleniumchloride, (beta-4)-seleniumchloride(secl4, EINECS 233-053-5, MFCD00011225, SELENIUM (IV) CHLORIDE, SELENIUM CHLORIDE, Selenium tetrachloride, Selenium(IV) chloride, 99.5% trace metals basis, Seleniumchloride(SeCl4),(T-4)-, selenium chloride, selenium tertachloride, selenium(iv)chloride(1:4), tetrachloro-|E4-selane

Selenium(IV) chloride (-8 mesh) (CAS 10026-03-6) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Cl4Se and a molecular weight of 220.77200 g/mol. Key properties include a melting point of 200-210ºC, a boiling point of 288ºC and a density of 2.6 g/mL at 25 °C(lit.). 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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 10026-03-6
Jingsj CID: J-1991999-4
Molecular Formula: Cl₄Se
Molecular Weight: 220.77200 g/mol
Category: Inorganic Chemicals
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	200-210ºC
Boiling Point	288ºC
Density	2.6 g/mL at 25 °C(lit.)
Exact Mass	219.79200
LogP	2.37720
Refractive Index	1.807

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

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 Selenium(IV) chloride (-8 mesh)?

The CAS number of Selenium(IV) chloride (-8 mesh) is 10026-03-6.

What are the molecular formula and molecular weight of Selenium(IV) chloride (-8 mesh)?

Selenium(IV) chloride (-8 mesh) has molecular formula Cl4Se and molecular weight 220.77200 g/mol.

Is Selenium(IV) chloride (-8 mesh) hazardous?

Selenium(IV) chloride (-8 mesh) 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.

What are the upstream and downstream products of Selenium(IV) chloride (-8 mesh)?

For Selenium(IV) chloride (-8 mesh), Upstream Products: Selenium, Thionyl chloride, Sulfuryl chloride; Downstream Products: Selenium dioxide, Selenium, selenium chloride.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Selenium(IV) chloride (-8 mesh) (CAS 10026-03-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991999-4 (accessed 2026-11-09).

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