Diiodomethane (HCID 6346)

Overview

methylene iodide has been reported in Ascophyllum nodosum and Mastocarpus stellatus with data available.

Names & identifiers

Preferred name: Diiodomethane
IUPAC: diiodomethane
English name: Diiodomethane
Molecular formula: CH2I2
Molecular weight: 267.83552

Names & synonyms

DIIODOMETHANE75-11-6Methylene iodideMethane, diiodo-Methylene diiodideMethylenjodidDijodmethanNSC-358043J731705OXDTXSID4058784RefChem:920271DTXCID6047731

Show more names

200-841-5MI-Geediiodo-methaneCH2I2di-iodomethaneNSC 35804MFCD00001079Methylene iodide-13C,d2

Database identifiers

CAS: 75-11-6
PubChem CID: 6346
DTXSID: DTXSID4058784
UNII: 3J731705OX
EC Number: 200-841-5
Nikkaji: J1.440K

Properties

Computed structural properties

XLogP: 2.3
Topological polar surface area: 0 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 0
Rotatable bonds: 0
Heavy atoms: 3
Formal charge: 0
Complexity: 2.8

Experimental & physicochemical properties

Chemical ClassesOther Classes -> Halogenated Aliphatics, Saturated

SpringerMaterials PropertiesSchoenflies notation

Density3.33 @ 15°C

Boiling Point181 °C @760 [mm Hg]

Vapor Pressure1.2 [mmHg]

Physical DescriptionHighly 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]

Physicochemical properties

Melting point: 5 · 5.0-8.0
Boiling point: 67 · 67.0-69.0
Density: 3.325 · 3.325
vapor density: 9.25 · 9.25 - (Air = 1.0) (vs air)
Flash point: 110 · 110.0
form: Liquid
color: Reddish brown liquid
Symbol(GHS): 6 · GHS06
Signal word: Danger
Hazard statements: 301 · H301+H311-H315-H319-H332-H335
Precautionary statements: 261 · P261-P280-P301+P310-P302+P352+P312-P304+P340+P312-P305+P351+P338

Safety & regulation

GHS classification

GHS Classification · 6 items

This chemical does not meet GHS hazard criteria for 2.8% (5 of 176) of reports.

Danger

H302 (93.2%): Harmful if swallowed [Warning Acute toxicity, oral]

P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 176 reports by companies from 13 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Not Classified

Hazard information

Regulatory Information · 3 items

Chemical: Methane, diiodo-

Status: Active Update: 24-01-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/22227

Methylene iodide: Does not have an individual approval but may be used under an appropriate group standard

Hazards Summary · 1 item

May cause irritation and narcotic effects; [Hawley] Inhalation or skin absorption of high concentrations may cause CNS depression; May cause mild irritation; Repeated exposure may cause liver and kidney injury and CNS disorders; [CHEMINFO] A skin and eye irritant; [eChemPortal: ERMA] An irritant; [MSDSonline]

Hazard Classes and CategoriesAcute Tox. 4 (93.2%)

CSL Reaction Information · 6 items

CSL00019

DIIODOMETHANE + DIETHYLZINC

Warning - This combination of reagents is known to have a latent exotherm that can lead to an uncontrollable reaction and an explosion may result. Please follow the link below for additional guidance on reaction setup.

Explosive

User-Reported

7/8/18

Safety & protection

Protective Action Criteria (PAC) · 3 items

2.4 [mg/m3]

27 [mg/m3]

160 [mg/m3]

Toxicology

Adverse EffectsNeurotoxin - Acute solvent syndrome

Safety data

Signal word: Danger
Symbol(GHS): GHS06
Hazard statements: H301+H311-H315-H319-H332-H335
Precautionary statements: P261-P280-P301+P310-P302+P352+P312-P304+P340+P312-P305+P351+P338

Chemistry & industry

Uses & manufacturing

UsesUsed 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]

General Manufacturing InformationMethane, diiodo-: ACTIVE