二水草酸铁(II)

Description

Iron(II) oxalate dihydrate · CAS 6047-25-2 · C2FeO4. UNII DZP4YV3ICV.

Identification

CAS Registry Number	6047-25-2
PubChem CID	10589
Molecular formula	C2FeO4
IUPAC name	iron(2+);oxalate
UNII (FDA)	DZP4YV3ICV

Computed Descriptors

Molecular Weight	143.86
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	143.914594
Monoisotopic Mass	143.914594
Topological Polar Surface Area	80.3
Heavy Atom Count	7
Formal Charge	0
Complexity	60.5

Physical description & handling notes

• Ferrous oxalate is an odorless yellow solid. Insoluble in water and denser in water. Sinks in water. (USCG, 1999)
• Dihydrate: Pale yellow odorless solid, slightly soluble in water; [Merck Index] Pale yellow odorless crystalline powder; [MSDSonline]
• MP: DECOMP 190 °C /DIHYDRATE/
• 2.3 at 68 °F (USCG, 1999) - Denser than water; will sink
• Pale yellow crystaline powder. Odorless; decomp AT 150-160 °C on heating in air. Density: 2.28. Slightly soluble in water; soluble in dilute mineral acids. /Dihydrate/
• RHOMBIC /DIHYDRATE/

GHS Hazard Classification

Reported hazard statements	H302, H312 (45.1%)

Documented Uses

• Used as a photographic developer (silver bromide-gelatin plates), glass tint (sunglasses and windshields), decorative glass colorant, and pigment (plastics, paints, and lacquers); [Merck Index]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Photographic Processing [Category: Other]
• Glass Manufacturing [Category: Industry]
• Glassblowing [Category: Hobbies]
• Photographic developer for silver bromide-gelatin plates; for decorative glassware; to impart a greenish-brown tint to optical glass (sunglasses, windshields, railroad car windows); pigment for plastics, paints, lacquers.

Synonyms

FERROUS OXALATE; 516-03-0; Iron(II) oxalate; Iron protoxalate; Iron(2+) oxalate; DZP4YV3ICV; UNII-DZP4YV3ICV; Iron oxalate (FeC2O4); EINECS 208-217-4; Oxalic acid, iron(2+) salt (1:1); HSDB 463; FERROUS OXALATE [MI]; Ethanedioic acid, iron(2+) salt (1:1); FERROUS OXALATE [HSDB]; FERROX (FE(C2O4)); FERROUS OXALATE [MART.]

Frequently Asked Questions

What are the CAS number and molecular formula of Iron(II) oxalate dihydrate?

CAS 6047-25-2; molecular formula C2FeO4; molecular weight — g/mol.

What other names is Iron(II) oxalate dihydrate known by?

FERROUS OXALATE, 516-03-0, Iron(II) oxalate, Iron protoxalate, Iron(2+) oxalate, DZP4YV3ICV.

Is Iron(II) oxalate dihydrate classified as hazardous?

Hazard statements reported: H302, H312.

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.