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  • 8.14080 - (R)-(+)-1-Phenylethyl isocyanate

8.14080 EMD Millipore

(R)-(+)-1-Phenylethyl isocyanate

(R)-(+)-1-Phenylethyl isocyanate for synthesis. CAS 33375-06-3, chemical formula C₆H₅CH(CH₃)NCO., for synthesis

Synonym: (R)-(+)-α-Methylbenzyl isocyanate

  • CAS Number 33375-06-3

  • Linear Formula C₉H₉NO

  • Molecular Weight 147.17 g/mol

  •  EC Number 251-485-2



Related Categories Biochemicals and Reagents More...
packaging   1 ml in Glass bottle (8140800001)
bp   210 - 211 °C (1013 hPa)
density   1.05 g/cm3 (20 °C)
flash point   65 °C
storage temp.   Store at +2°C to +8°C.
specifications   Assay (GC, area%): ≥ 97.0 % (a/a)
  Density (d 20 °C/ 4 °C): 1.044 - 1.046
  Spec. rotation [α²0/D: 9.0 - 11.0 °
  Identity (IR): passes test

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Safety Information

HS Code 
2929 10 00
Hazard Statement(s) 
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H330: Fatal if inhaled.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H335: May cause respiratory irritation.
Precautionary Statement(s) 
P260: Do not breathe vapour.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P342 + P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK 3 highly water endangering
Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A.
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Pictogram(s) 
GHS08  GHS08
Hazard Symbols 
Very toxic  Very toxic
Declaration (railroad and road) ADR, RID 
UN 2206 , 6.1, II
Declaration (transport by air) IATA-DGR 
UN 2206 , 6.1, II
Declaration (transport by sea) IMDG-Code 
UN 2206 , 6.1, II
Categories of danger 
very toxic, irritant, sensitizing
R Phrase 
R 26-36/37/38-42
Very toxic by inhalation.Irritating to eyes, respiratory system and skin.May cause sensitisation by inhalation.
S Phrase 
S 23-28-36/37-45
Do not breathe vapour.After contact with skin, wash immediately with plenty of water.Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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