Methane, bromomethoxy- 溴甲基甲醚

CAS 13057-17-5 MFCD00000171




Mol. FormulaC2H5BrO
Mol. Weight125
Refractive index1.4530 to 1.4580
Boiling Point87
Flash Point26°C(lit.)


Chemical NameMethane, bromomethoxy-
CAS Number13057-17-5
PubChem Substance ID87564999
MDL NumberMFCD00000171
Beilstein Registry Number1730853
Synonym BMME BMME~Methoxymethylbromide BROMOMETHYL METHYL ETHER, TECH., 90% Bromo(methoxy)methane Bromomethyl methyl ether Methane, bromomethoxy- Methoxybromomethane Methoxymethyl Bromide Methoxymethyl bromide bromomethoxy-methan bromomethoxymethane 溴代甲醚 溴甲基甲基醚 溴甲基甲基醚; 溴甲基甲醚 溴甲基甲醚 溴甲氧基甲醚, TECH 溴甲醚
EC Number250-023-7
Chemical Name Translation溴甲基甲醚
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  • {SNA} Building Blocks, C2 to C7, Chemical Synthesis, Ethers, Organic Building Blocks, Oxygen Compounds
  • {uni_hamburg} no charge; 1fragment
  • Building Blocks, C2 to C8, Chemical Synthesis, Ethers, Organic Building Blocks, Oxygen Compounds


  • Reagent for protection of OH groups as their methoxymethyl (MOM) ethers. The group can be introduced in the presence of a base such as N-ethyldiisopropylamine: Tetrahedron Lett., 26, 6461 (1986); 30, 1971 (1989). Aryl acetates are converted directly into aryl methoxymethyl ethers in the presence of NaOMe in DMF: Synth. Commun., 29, 2217 (1999).
  • A method for the ɑ-methylenation of lactones involves alkylation of the ɑ-lithio derivative, followed by elimination of methanol: J. Am. Chem. Soc., 102, 3964 (1980).
  • For a review of the use of ɑ-monohalo ethers in synthesis, see: Synthesis, 1 (1995).
  • Short: II/14a


GHS Symbol
WGK Germany3
Hazard Codes 3
Hazard statements
  • H226 Flammable liquid and vapour 易燃液体和蒸气
  • H332 Harmful if inhaled 吸入有害
  • H315 Causes skin irritation 会刺激皮肤
  • H312 Harmful in contact with skin 皮肤接触有害
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
  • H351 Suspected of causing cancer 怀疑致癌
  • H319 Causes serious eye irritation 严重刺激眼睛
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Precautionary statements
  • P201 Obtain special instructions before use. 使用前获取专门指示。
  • P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P303+P361+P353
  • P304+P340+P311
  • P305+P351+P338
  • P308+P313
  • P332+P313
  • P337+P313
  • P403+P233
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Signal word Warning
UN Number 1992
Storage condition 0-10 0-10°C
Risk Statements
  • R10 Flammable 易燃
  • R20/21/22 Harmful by inhalation, in contact with skin and if swallowed 吸入、皮肤接触和不慎吞咽有害
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R40 Limited evidence of a carcinogenic effect 有限证据表明其致癌作用
Safety Statements
  • S16 Keep away from sources of ignition - No smoking 远离火源,禁止吸烟;
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套;
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
Packing GroupIII
Hazard Class3/6.1


  • Sigma Aldrich:13057-17-5(sigmaaldrich)