294845
Bromomethane solution
2.0 M in diethyl ether
Synonym(s):
Methyl bromide
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About This Item
Empirical Formula (Hill Notation):
CH3Br
CAS Number:
Molecular Weight:
94.94
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
vapor pressure
1420 mmHg ( 20 °C)
3945 mmHg ( 55 °C)
Quality Level
concentration
2.0 M in diethyl ether
impurities
<0.005% water
density
0.83 g/mL at 25 °C
application(s)
agriculture
storage temp.
2-8°C
SMILES string
CBr
InChI
1S/CH3Br/c1-2/h1H3
InChI key
GZUXJHMPEANEGY-UHFFFAOYSA-N
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General description
Bromomethane solution (methyl bromide) is the most effective soil fumigant for killing plant pests, its use is being phased out because its emissions from soil can lead to stratospheric ozone depletion. The bimolecular nucleophilic substitution (SN2) reaction of methyl bromide and OH- in aqueous solution has been investigated using a multilayered-representation quantum mechanical and molecular mechanics methodology.
Packaging
Supplied in a Sure/Pac™ cylinder and has a 1/4-turn bronze ball valve with a female 1/4" NPT outlet thread (Z122661) installed. Before using the cylinder, ensure that the valve is closed, then remove carbon steel plug that seals the outlet valve.
Compatible with the following:
Compatible with the following:
- Aldrich® Sure/Pac™ station for liquefied gases Z566446
- PTFE Sealing tape Z104388 or Z221880
- Straight septum-inlet adapter Z118141 with septa Z565687 or Z565695
Legal Information
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Flam. Liq. 2 - Muta. 2 - Ozone 1 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3
Target Organs
Central nervous system, Respiratory system
Supplementary Hazards
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
-40.0 °F - closed cup
Flash Point(C)
-40 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Richeng Xuan et al.
Environmental science & technology, 44(23), 9080-9085 (2010-11-10)
Despite generally being considered the most effective soil fumigant, methyl bromide (MeBr) use is being phased out because its emissions from soil can lead to stratospheric ozone depletion. However, a large amount is still currently used due to Critical Use
Spencer S Walse et al.
Journal of economic entomology, 106(3), 1155-1163 (2013-07-20)
Methyl bromide (MB) chamber fumigations were evaluated for postharvest control of light brown apple moth, Epiphyas postvittana (Walker) (Lepidoptera: Tortricidae), in fresh fruit destined for export from California. To simulate external feeding, larvae were contained in gas-permeable cages and distributed
Ting Bin Lim et al.
Journal of the American Chemical Society, 133(30), 11534-11539 (2011-06-24)
We describe the dissociative attachment (DA) of methyl bromide to form chemisorbed CH(3) and Br on a Si(100)-2×1 surface at 270 K. The patterns of DA were studied experimentally by ultra-high vacuum scanning tunneling microscopy (STM) and interpreted by ab
Khristy J Thompson et al.
Toxicological sciences : an official journal of the Society of Toxicology, 120(1), 163-172 (2010-12-24)
Manganese (Mn) is an essential nutrient with potential neurotoxic effects. Mn deposited in the nose is apparently transported to the brain through anterograde axonal transport, bypassing the blood-brain barrier. However, the role of the olfactory epithelial cells in Mn transport
Guy J Hallman et al.
Journal of economic entomology, 104(1), 63-68 (2011-03-17)
Methyl bromide fumigation is widely used as a phytosanitary treatment. Mexican fruit fly, Anastrepha ludens (Loew) (Diptera: Tephritidae), is a quarantine pest of several fruit, including citrus (Citrus spp.), exported from Texas, Mexico, and Central America. Recently, live larvae have
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