Dibromomethane

Modify Date: 2025-08-23 10:44:34

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	Signal Word	Warning

Name	dibromomethane
Synonym	More Synonyms

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)

Dibromomethane MSDS(Chinese)

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)

Symbol	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

Precursor 10
CAS#:34557-54-5 methane CAS#:75-25-2 Bromoform CAS#:2857-97-8 Bromo(trimethyl... CAS#:75-77-4 Chlorotrimethyl...
CAS#:75-09-2 Dichloromethane CAS#:328-42-7 Oxaloacetic acid CAS#:75-11-6 Diiodomethane CAS#:74-83-9 Methyl bromide
CAS#:64-19-7 acetic acid CAS#:557-68-6 Bromoiodomethane
DownStream 10
CAS#:106942-50-1 4-methyl-1-[(4-... CAS#:107986-99-2 methyl 1-(bromo... CAS#:104875-64-1 2-cyclohexyleth... CAS#:107987-07-5 ethyl 2-(bromom...
CAS#:355-37-3 1H-Tridecafluor... CAS#:307-59-5 Perfluorododecane CAS#:2043-57-4 1,1,1,2,2,3,3,4... CAS#:3418-21-1 1,3-Dioxolane,2...
CAS#:3591-42-2 LEVOFLOXACINHEM... CAS#:4396-19-4 ethylsulfanylme...

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%

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

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Dibromomethane

Methylenbromid

DBM

dibromo-methane

Dibrommethan

Methylene Bromide

METHYLENE DIBROMIDE

Methane,dibromo

CH2Br2

dibromomethylene

MFCD00000168

dibromo-methan

rcrawastenumberu068

EINECS 200-824-2

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China
Product Name: Dibromomethane
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China
Product Name: Dibromomethane
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China
Product Name: Dibromomethane
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: dibromomethane
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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Dibromomethane

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