氢化钪（ScH3）

Description

Scandium hydride (ScH3) · CAS 43238-07-9 · Sc. UNII YUJ4U1EW7R. Boiling Point: 2836 °C @760 [mm Hg]; Density: 2.989 @25 °C.

Identification

CAS Registry Number	43238-07-9
PubChem CID	23952
Molecular formula	Sc
IUPAC name	scandium
UNII (FDA)	YUJ4U1EW7R

Computed Descriptors

Molecular Weight	44.95591
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	44.955907
Monoisotopic Mass	44.955907
Topological Polar Surface Area	0
Heavy Atom Count	1
Formal Charge	0
Complexity	0

Physical & Chemical Properties

Boiling Point	2836 °C @760 [mm Hg]
Density	2.989 @25 °C

Physical description & handling notes

• Silvery-white solid; [Hawley]

Regulatory Status

GHS notification summary	4.8% (5 / 105)

GHS Hazard Classification

GHS notification summary	4.8% (5 / 105)
Reported hazard statements	H228 (93.3%)

Documented Uses

• Found in thortveitite, davidite, ytterbite, orthite, and cerrite, often in association with tin or zirconium; [Merck Index] Occurs in the ores wolframite and thortveitite; No major commercial uses, but has been used in tracer studies and semiconductors; [Hawley]
• Semiconductor Manufacturing [Category: Industry]

Synonyms

SCANDIUM; 7440-20-2; DTXSID9064689; Scandium Metallicum; RefChem:58694; YUJ4U1EW7R; DTXCID1047653; 231-129-2; scandium atom; Scandium ingot; MFCD00016323; scandium metal; scandium-45; escandio; Scandium - Sc @ 1000 microg/g in Hydrocarbon Oil; Scandium Standard: Sc @ 10 microg/mL in 2% HNO3

Frequently Asked Questions

What are the CAS number and molecular formula of Scandium hydride (ScH3)?

CAS 43238-07-9; molecular formula Sc; molecular weight — g/mol.

What other names is Scandium hydride (ScH3) known by?

SCANDIUM, 7440-20-2, DTXSID9064689, Scandium Metallicum, RefChem:58694, YUJ4U1EW7R.

Is Scandium hydride (ScH3) classified as hazardous?

4.8% of GHS notifications report no hazard classification (5 of 105).

What are the key physical properties of Scandium hydride (ScH3)?

Boiling Point: 2836 °C @760 [mm Hg]; Density: 2.989 @25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.