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  • 8.18580 - Methoxymethyl-triphenylphosphonium chloride

8.18580 EMD Millipore

Methoxymethyl-triphenylphosphonium chloride

Methoxymethyl-triphenylphosphonium chloride for synthesis. CAS 4009-98-7, EC Number 223-664-5, chemical formula CH₃OCH₂P(C₆H₅)₃Cl., for synthesis

  • CAS Number 4009-98-7

  • Linear Formula C₂₀H₂₀ClOP

  • Molecular Weight 342.8 g/mol

  •  EC Number 223-664-5



packaging   50 g in Glass bottle (8185800050)
vapor pressure   <1 hPa (20 °C)
solubility   >1100 g/l soluble,(decomposition)
flash point   >250 °C
mp   202 °C
pH   2.2 (1100 g/l, H₂O, 20 °C)
bulk density   450 - 500 kg/m3
LD 50 oral   LD50 Rat 1440 mg/kg
storage temp.   Store below +30°C.
specifications   Assay (argentometric): ≥ 98.0 %
  Identity (IR): passes test

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Safety Information

HS Code 
2931 39 90
Hazard Statement(s) 
H302: Harmful if swallowed.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H411: Toxic to aquatic life with long lasting effects.
Precautionary Statement(s) 
P273: Avoid release to the environment.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage class 
10 - 13 Other liquids and solids
WGK 2 water endangering
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Pictogram(s) 
GHS09  GHS09
Hazard Symbols 
Dangerous for the environment  Dangerous for the environment
Hazard Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
UN 3077 , 9, III
Declaration (transport by air) IATA-DGR 
UN 3077 , 9, III
Declaration (transport by sea) IMDG-Code 
UN 3077 , 9, III, Marine Pollutant: P
Categories of danger 
harmful, irritant, dangerous for the environment
R Phrase 
R 22-36/38-51/53
Harmful if swallowed.Irritating to eyes and skin.Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 7/8-22-24/25-36/37-61
Keep container tightly closed and dry.Do not breathe dust.Avoid contact with skin and eyes.Wear suitable protective clothing and gloves.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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