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8.18740 EMD Millipore

4-Methylphenyl isothiocyanate

4-Methylphenyl isothiocyanate for synthesis. CAS 622-59-3, chemical formula 4-(CH₃)C₆H₄NCS., for synthesis

Synonym: 4-Tolyl isothiocyanate, Isothiocyanic acid 4-methylphenyl ester

  • CAS Number 622-59-3

  • Linear Formula C₈H₇NS

  • Molecular Weight 149.22 g/mol

  •  EC Number 210-745-5



Related Categories Biochemicals and Reagents More...
packaging   5 g in Glass bottle (8187400005)
bp   236 - 238 °C
flash point   107 °C
mp   27 - 30 °C
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Melting range (lower value): ≥ 26 °C
  Melting range (upper value): ≤ 30 °C
  Identity (IR): passes test
  Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

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Safety Information

HS Code 
2930 90 98
Hazard Statement(s) 
H315: Causes skin irritation.
H319: Causes serious eye irritation.
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.
Storage class 
10 - 13 Other liquids and solids
WGK 3 highly water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Irritant  Irritant
Declaration (railroad and road) ADR, RID 
UN 2811 , 6.1, I
Declaration (transport by air) IATA-DGR 
UN 2811 , 6.1, I
Declaration (transport by sea) IMDG-Code 
UN 2811 , 6.1, I
Categories of danger 
R Phrase 
R 36/37/38
Irritating to eyes, respiratory system and skin.
S Phrase 
S 23
Do not breathe vapour.
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