Dibromomethane

Modify Date: 2026-07-01 06:40:11

Dibromomethane Structure
Dibromomethane structure
 Common Name Dibromomethane
CAS Number 74-95-3 Molecular Weight 173.835
Density 2.4±0.1 g/cm3 Boiling Point 97.0±0.0 °C at 760 mmHg
Molecular Formula CH2Br2 Melting Point -52 °C
MSDS Chinese USA Flash Point -22.1±17.7 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

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

Name dibromomethane
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 2.4±0.1 g/cm3
Boiling Point 97.0±0.0 °C at 760 mmHg
Melting Point -52 °C
Molecular Formula CH2Br2
Molecular Weight 173.835
Flash Point -22.1±17.7 °C
Exact Mass 171.852310
LogP 1.54
Vapour density 6.05 (vs air)
Vapour Pressure 48.7±0.1 mmHg at 25°C
Index of Refraction 1.533
InChIKey FJBFPHVGVWTDIP-UHFFFAOYSA-N
SMILES BrCBr
Stability Stable. Incompatible with strong oxidizing agents, aluminium, magnesium. Reacts violently with potassium.
Water Solubility 0.1 g/100 mL (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 :
PA7350000
CHEMICAL NAME :
Methane, dibromo-
CAS REGISTRY NUMBER :
74-95-3
BEILSTEIN REFERENCE NO. :
0969143
LAST UPDATED :
199710
DATA ITEMS CITED :
16
MOLECULAR FORMULA :
C-H2-Br2
MOLECULAR WEIGHT :
173.85
WISWESSER LINE NOTATION :
E1E

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
108 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
40 gm/m3/2H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3738 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>4 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Rectal
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
5 gm/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory stimulation Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
333 mg/kg/28D-C
TOXIC EFFECTS :
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases

MUTATION DATA

TYPE OF TEST :
Cytogenetic analysis
TEST SYSTEM :
Rodent - hamster Lung
DOSE/DURATION :
1 umol/L
REFERENCE :
TECSDY Toxicological and Environmental Chemistry. (Gordon & Breach Science Pub. Inc., 1 Park Ave., New York, NY 10016) V.3(3/4)- 1981- Volume(issue)/page/year: 13,205,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 10 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4051 No. of Facilities: 33 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 1065 (estimated) No. of Female Employees: 452 (estimated)

 Safety Information

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

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H332-H412
Precautionary Statements P273
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful
Risk Phrases R20;R52/53
Safety Phrases S24-S61-S45-S36/37-S16-S7
RIDADR UN 2664 6.1/PG 3
WGK Germany 2
RTECS PA7350000
Packaging Group III
Hazard Class 6.1
HS Code 2903399010

 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 2903399010
Summary 2903399010 dibromomethane。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:5.5%。general tariff:30.0%

 Articles27

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Synthesis and evaluation of candidate PET radioligands for corticotropin-releasing factor type-1 receptors.

Nucl. Med. Biol. 41(6) , 524-35, (2014)

A radioligand for measuring the density of corticotropin-releasing factor subtype-1 receptors (CRF1 receptors) in living animal and human brain with positron emission tomography (PET) would be a usefu...

Improved quality control of [18F]fluoromethylcholine.

Nucl. Med. Biol. 38(8) , 1143-8, (2011)

With respect to the broad application of [(18)F-methyl]fluorocholine (FCH), there is a need for a safe, but also efficient and convenient way for routine quality control of FCH. Therefore, a GC- metho...

Dimethylselenide as a probe for reactions of halogenated alkoxyl radicals in aqueous solution. Degradation of dichloro- and dibromomethane.

J. Phys. Chem. A 112(26) , 5908-16, (2008)

Using pulse radiolysis and steady-state gamma-radiolysis techniques, it has been established that, in air-saturated aqueous solutions, peroxyl radicals CH 2HalOO (*) (Hal = halogen) derived from CH 2C...

 Synonyms

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

Dibromomethane
Methylenbromid
DBM
dibromo-methane
Dibrommethan
Methylene Bromide
METHYLENE DIBROMIDE
Methane,dibromo
CH2Br2
dibromomethylene
MFCD00000168
dibromo-methan
rcrawastenumberu068
EINECS 200-824-2

 Dibromomethane | FAQ

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

Q: What are the upstream materials of dibromomethane?
A: Related upstream materials(CAS) of dibromomethane: 34557-54-5;75-25-2;2857-97-8;75-77-4;75-09-2;328-42-7;75-11-6;74-83-9;64-19-7;557-68-6.
Q: What are the downstream products of dibromomethane?
A: Related downstream products(CAS) of dibromomethane: 106942-50-1;107986-99-2;104875-64-1;107987-07-5;355-37-3;307-59-5;2043-57-4;3418-21-1;3591-42-2;4396-19-4.
Q: What is the molecular weight of dibromomethane?
A: Molecular weight of dibromomethane is 173.835.
Q: How is the water solubility of dibromomethane?
A: Water solubility of dibromomethane: 0.1 g/100 mL (20 ºC).
Q: What English synonyms does dibromomethane have?
A: English synonyms of dibromomethane: Dibromomethane, Methylenbromid, DBM, dibromo-methane, Dibrommethan, Methylene Bromide, METHYLENE DIBROMIDE, Methane,dibromo, CH2Br2, dibromomethylene, MFCD00000168, dibromo-methan, rcrawastenumberu068, EINECS 200-824-2.
Q: What is the InChIKey of dibromomethane?
A: InChIKey of dibromomethane is FJBFPHVGVWTDIP-UHFFFAOYSA-N.
Q: What is the melting point of dibromomethane?
A: Melting point of dibromomethane is -52 °C.
Q: What is the LogP of dibromomethane?
A: LogP of dibromomethane is 1.54.
Q: What is the safety information for dibromomethane?
A: Safety information for dibromomethane: S24-S61-S45-S36/37-S16-S7.
Q: What is the boiling point of dibromomethane?
A: Boiling point of dibromomethane is 97.0±0.0 °C at 760 mmHg.

 Dibromomethanefactory

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

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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Chemsrc provides Dibromomethane(CAS#:74-95-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Dibromomethane are included as well.>> amp version: Dibromomethane

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