Diiodomethane

Modify Date: 2026-07-07 15:53:44

Diiodomethane Structure
Diiodomethane structure
Common Name Diiodomethane
CAS Number 75-11-6 Molecular Weight 267.836
Density 3.2±0.1 g/cm3 Boiling Point 182.0±0.0 °C at 760 mmHg
Molecular Formula CH2I2 Melting Point 6 °C
MSDS N/A Flash Point 76.6±13.9 °C

Summary: Diiodomethane, also known as diiodomethane, has a CAS number of 75-11-6, with a molecular formula of CH2I2 and a molecular weight of 267.836. It is a pale yellow or golden liquid with a chloroform-like odor, melting at 6°C and boiling at 182.0°C with a density of 3.2g/cm3. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Diiodomethane
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 3.2±0.1 g/cm3
Boiling Point 182.0±0.0 °C at 760 mmHg
Melting Point 6 °C
Molecular Formula CH2I2
Molecular Weight 267.836
Flash Point 76.6±13.9 °C
Exact Mass 267.824585
LogP 2.30
Vapour density 9.25 (vs air)
Vapour Pressure 1.1±0.3 mmHg at 25°C
Index of Refraction 1.719
InChIKey NZZFYRREKKOMAT-UHFFFAOYSA-N
SMILES ICI
Stability Stable. Incompatible with strong oxidizing agents, strong bases. Reacts violently with alkali metal salts. May discolour on exposure to light.
Water Solubility 14 g/L (20 ºC)

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
PA8575000
CHEMICAL NAME :
Methane, diiodo-
CAS REGISTRY NUMBER :
75-11-6
LAST UPDATED :
199710
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C-H2-I2
MOLECULAR WEIGHT :
267.83
WISWESSER LINE NOTATION :
I1I

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - child
DOSE/DURATION :
2778 uL/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - acute pulmonary edema
REFERENCE :
AEMED3 Annals of Emergency Medicine. (American College of Emergency Physicians, 1125 Executive Circle, Irving, TX 75038) Volume(issue)/page/year: 19,1171,1990
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
403 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,756,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
467 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,756,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
830 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 4,354,1962 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1158 No. of Facilities: 31 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 311 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - A1158 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 42 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi:Irritant
Risk Phrases R36/37/38
Safety Phrases S26-S37/39
RIDADR 2810
WGK Germany 3
RTECS PA8575000
Packaging Group III
Hazard Class 6.1
HS Code 29033080

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 29033080

 DiiodomethaneBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Diiodmethane
di-iodomethane
methylene diiodide
CH2I2
Diodomethane
Mi-gee brand
Methylenjodid
Mi-gee
Diiodmethan
Diiodomethane
METHYLENE IODIDE
diiodo-methan
EINECS 200-841-5
MFCD00001079
Dijodmethan

 Diiodomethane | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the downstream products of Diiodomethane?
A: Related downstream products(CAS) of Diiodomethane: 105372-16-5;1079402-43-9;105786-53-6;107535-40-0;37174-98-4;5768-39-8;4396-19-4;57807-28-0;557-68-6;74-95-3.
Q: What is the LogP of Diiodomethane?
A: LogP of Diiodomethane is 2.30.
Q: What are the upstream materials of Diiodomethane?
A: Related upstream materials(CAS) of Diiodomethane: 75-47-8;75-09-2;74-88-4;75-77-4;64-69-7;67-66-3;557-68-6;186581-53-3;811-51-8;127-09-3.
Q: What is the boiling point of Diiodomethane?
A: Boiling point of Diiodomethane is 182.0±0.0 °C at 760 mmHg.
Q: What is the molecular weight of Diiodomethane?
A: Molecular weight of Diiodomethane is 267.836.
Q: What is the CAS number of Diiodomethane?
A: CAS number of Diiodomethane is 75-11-6.
Q: How is the water solubility of Diiodomethane?
A: Water solubility of Diiodomethane: 14 g/L (20 ºC).
Q: What is the English name of Diiodomethane?
A: The English name of Diiodomethane is Diiodomethane.
Q: What English synonyms does Diiodomethane have?
A: English synonyms of Diiodomethane: Diiodmethane, di-iodomethane, methylene diiodide, CH2I2, Diodomethane, Mi-gee brand, Methylenjodid, Mi-gee, Diiodmethan, Diiodomethane, METHYLENE IODIDE, diiodo-methan, EINECS 200-841-5, MFCD00001079, Dijodmethan.
Q: What is the molecular formula of Diiodomethane?
A: Molecular formula of Diiodomethane is CH2I2.

 Diiodomethanefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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