Dibromomethane (74-95-3) ,Dibromomethane (74-95-3) Manufacturers & Suppliers，MSDS

Basic information

Name:
Dibromomethane
CAS No.:
74-95-3
Molecular Structure:
Formula:
CH₂Br₂
Synonyms:
Methylene bromide;Methylene dibromide;NSC 7293;Dibromomethane [UN2664] [Poison];Methane, dibromo-;

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Chemistry

IUPAC Name: Dibromomethane
Empirical Formula: CH₂Br₂
Molecular Weight: 173.8346
Canonical SMILES: C(Br)Br
InChI: InChI=1S/CH2Br2/c2-1-3/h1H2
InChIKey: FJBFPHVGVWTDIP-UHFFFAOYSA-N
EINECS: 200-824-2
Product Categories: Pharmaceutical Intermediates; Organics; alpha,omega-Bifunctional Alkanes; alpha,omega-Dibromoalkanes; Monofunctional & alpha,omega-Bifunctional Alkanes; Analytical Chemistry; Standard Solution of Volatile Organic Compounds for Water & Soil Analysis; Standard Solutions (VOC); Alpha Sort; BromoVolatiles/ Semivolatiles; Chemical Class; D; DAlphabetic; DIA - DIC; Halogenated
storage temp.: Refrigerator
Water Solubility: 0.1 g/100 mL (20 ºC)
Stability: Stable. Incompatible with strong oxidizing agents, aluminium, magnesium. Reacts violently with potassium.
Index of Refraction: 1.532
Molar Refractivity: 22.14 cm³
Molar Volume: 71.4 cm³
Surface Tension: 37 dyne/cm
Density: 2.434 g/cm³
Flash Point: 96-98 °C
Enthalpy of Vaporization: 32.92 kJ/mol
Boiling Point: 97 °C at 760 mmHg
Vapour Pressure: 48.7 mmHg at 25 °C
Appearance: colourless liquid
Melting Point: -52 °C
Classification Code of Dibromomethane (CAS NO.74-95-3): Mutagens; Mutation data; Noxae; TSCA Flag T [Subject to the Section 4 test rule under TSCA]

Uses

Dibromomethane (CAS NO.74-95-3) is used as a solvent, gage fluid and in organic synthesis.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	subcutaneous	3738mg/kg (3738mg/kg)		Toxicology and Applied Pharmacology. Vol. 4, Pg. 354, 1962.
rabbit	LD50	oral	1gm/kg (1000mg/kg)		Dow Chemical Company Reports. Vol. MSD-472,
rabbit	LD50	skin	> 4gm/kg (4000mg/kg)		Dow Chemical Company Reports. Vol. MSD-472,
rabbit	LDLo	rectal	5gm/kg (5000mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION	Journal of Pharmacology and Experimental Therapeutics. Vol. 34, Pg. 223, 1928.
rat	LC50	inhalation	40gm/m3/2H (40000mg/m3)		"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 83, 1982.
rat	LD50	oral	108mg/kg (108mg/kg)		National Technical Information Service. Vol. PB85-143766

Consensus Reports

Community Right-To-Know List. Reported in EPA TSCA Inventory.

Safety Profile

Hazard Codes: Harmful Xn, Toxic T, Flammable F
Risk Statements: 20-52/53-39/23/24/25-23/24/25-11
R20:Harmful by inhalation.
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R39:Danger of very serious irreversible effects.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
R11:Highly flammable.
Safety Statements: 24-61-45-36/37-16-7
S24:Avoid contact with skin.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37:Wear suitable protective clothing and gloves.
S16:Keep away from sources of ignition.
S7:Keep container tightly closed.
RIDADR:UN 2664 6.1/PG 3
WGK Germany: 2
RTECS: PA7350000
HazardClass: 6.1
PackingGroup: III
A poison. Moderately toxic by subcutaneous route. Mildly toxic by inhalation. Mutation data reported. Mixtures with potassium explode on light impact. When heated to decomposition it emits toxic fumes of Br⁻.