English Safety Data Sheet Database 中文版 MSDS

diiodomethane

CAS No. 75-11-6 | PubChem CID 6346
Section 1. Identification
Chemical Namediiodomethane CAS No.75-11-6
Synonymsmethyleneiodide Chinese Name二碘甲烷
Molecular FormulaCH2I2 Molecular Weight267.83
UN No. Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS05 · Corrosive GHS07 · Irritant
Hazard Statements H302H315H318H335H412
Precautionary Statements P261P264P264+P265P270P271P273P280P301+P317P302+P352P304+P340P305+P354+P338P317P319P321P330P332+P317P362+P364P403+P233P405P501

Section 2. Hazards Identification

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

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

H315 (36.9%): Causes skin irritation [Warning Skin corrosion/irritation]

H318 (29%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

H335 (36.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

H412 (59.7%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

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.

Reported as not meeting GHS hazard criteria per 5 of 176 reports by companies.

There are 11 notifications provided by 171 of 176 reports by companies with hazard statement code(s).

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Not Classified

Section 8. Exposure Controls / Personal Protection

2.4 [mg/m3]

27 [mg/m3]

160 [mg/m3]

Section 9. Physical and Chemical Properties

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]

181 °C @760 [mm Hg]

3.33 @ 15°C

1.2 [mmHg]

Schoenflies notation

Atomic environment

Boiling point

Chemical bond

Chemical diffusion

Diamagnetic susceptibility

Dielectric constant

Diffusion

Diffusive flux

Heat of sublimation

Internuclear distance

Magnetic permeability

Magnetic susceptibility

Molecular structure

Nuclear quadrupole coupling

Nuclear quadrupole moment

Nuclear quadrupole resonance spectroscopy

Optical coefficient

Point group

Quadrupole coupling

Reaction coordinate

Refractive index

Rotational excitation cross section

Self-diffusion

Sound absorption

Sound propagation

Sound velocity

Surface tension

Thermal expansion coefficient

Vapor pressure

Vapor-liquid equilibrium

Viscosity

Other Classes -> Halogenated Aliphatics, Saturated

Section 10. Stability and Reactivity

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

Section 11. Toxicological Information

Neurotoxin - Acute solvent syndrome

Occupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.

Source: PubChem CID 6346 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 08:57:22.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.