二碘甲烷

Description

Diiodomethane · CAS 75-11-6 · CH2I2. UNII 3J731705OX. Boiling Point: 181 °C @760 [mm Hg]; Density: 3.33 @ 15°C; Vapor Pressure: 1.2 [mmHg].

Identification

CAS Registry Number	75-11-6
PubChem CID	6346
Molecular formula	CH2I2
IUPAC name	diiodomethane
UNII (FDA)	3J731705OX

Computed Descriptors

Molecular Weight	267.835
XLogP3	2.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	267.82460
Monoisotopic Mass	267.82460
Topological Polar Surface Area	0
Heavy Atom Count	3
Formal Charge	0

Physical & Chemical Properties

Boiling Point	181 °C @760 [mm Hg]
Density	3.33 @ 15°C
Vapor Pressure	1.2 [mmHg]

Physical description & handling notes

• Highly refractive liquid; Darkens on contact with light, air, and moisture; mp = 6 deg C; [Merck Index] Yellow liquid; [Hawley] Pale light yellow liquid; mp 5-6 deg C; [MSDSonline]

Regulatory Status

GHS notification summary	2.8% (5 / 176)

GHS Hazard Classification

GHS notification summary	2.8% (5 / 176)
Reported hazard statements	H302 (93.2%), H315 (36.9%), H318 (29%), H335 (36.9%), H412 (59.7%)

Documented Uses

• Used to make X-ray contrast media; [Merck Index] Used in organic synthesis; [Hawley] Used to determine refractive indices of minerals and to separate minerals based on density; [Ullmann]
• Diiodomethane (Class: Other Substances, Added Date: 07-2010)

Synonyms

DIIODOMETHANE; 75-11-6; Methylene iodide; Methane, diiodo-; Methylene diiodide; Methylenjodid; Dijodmethan; NSC-35804; 3J731705OX; DTXSID4058784; RefChem:920271; DTXCID6047731; 200-841-5; MI-Gee; diiodo-methane; CH2I2

Frequently Asked Questions

What are the CAS number and molecular formula of Diiodomethane?

CAS 75-11-6; molecular formula CH2I2; molecular weight — g/mol.

What other names is Diiodomethane known by?

DIIODOMETHANE, 75-11-6, Methylene iodide, Methane, diiodo-, Methylene diiodide, Methylenjodid.

Is Diiodomethane classified as hazardous?

2.8% of GHS notifications report no hazard classification (5 of 176).

What are the key physical properties of Diiodomethane?

Boiling Point: 181 °C @760 [mm Hg]; Density: 3.33 @ 15°C; Vapor Pressure: 1.2 [mmHg].

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.