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  • 8.52259 - (9-Fluorenylmethyl) chloroformate

8.52259 EMD Millipore

(9-Fluorenylmethyl) chloroformate

(9-Fluorenylmethyl) chloroformate Novabiochem®. CAS 28920-43-6, molar mass 258.7 g/mol., Novabiochem®

Synonym: (9-Fluorenylmethyl) chloroformate, Chloroformic acid 9-fluorenmethyl ester, Chloroformic acid 9-fluorenylmethyl ester, FMOCCl

  • CAS Number 28920-43-6

  • Linear Formula C₁₅H₁₁ClO₂

  • Molecular Weight 258.7 g/mol

  •  EC Number 249-313-6



Related Categories Amino Acids & Derivatives, Chemical Biology, Chemical Synthesis, Peptide Chemistry
brand family   Novabiochem
packaging   100 g in Plastic bottle (8522590100)
  25 g in Plastic bottle (8522590025)
mp   60 - 63 °C
shipped in   ambient
storage temp.   Store at +2°C to +8°C.
specifications   Colour (visual): white to slight yellow to beige
  Appearance of substance (visual): powder
  Assay (HPLC, area%): ≥ 98.0 % (a/a)
  Melting range (lower value): ≥ 60 °C
  Melting range (upper value): ≤ 64 °C
  Identity (IR): passes test


Background information

Reagent for introduction of the Fmoc protecting group [1].

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Safety & Documentation

Safety Information

HS Code 
2915 90 70
Hazard Statement(s) 
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) 
P260: Do not breathe dust.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
8A Combustible, corrosive 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) 
GHS05  GHS05
Hazard Symbols 
Corrosive  Corrosive
Declaration (railroad and road) ADR, RID 
UN 1759 , 8, II
Declaration (transport by air) IATA-DGR 
UN 1759 , 8, II
Declaration (transport by sea) IMDG-Code 
UN 1759 , 8, II, Segregation Group: 1 (Acids)
Categories of danger 
R Phrase 
R 34
Causes burns.
S Phrase 
S 22-26-36/37/39-45
Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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