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Triphosgene

Basic information Safety Supplier Related

Triphosgene Basic information

Product Name:
Triphosgene
Synonyms:
  • TRIPHOSGENE
  • BIS(TRICHLOROMETHYL) CARBONATE
  • CARBONIC ACID BISTRICHLOR METHYL ESTER
  • TriphosgeneForSynthesis
  • Triphosgene98+%
  • Triphosgene, 98% [Bis-(trichloromethyl)-carbonat]
  • Methanol, trichloro-, carbonate (2:1)
  • TRICHLOROMETHANOLCARBONATE
CAS:
32315-10-9
MF:
C3Cl6O3
MW:
296.73
EINECS:
250-986-3
Product Categories:
  • Aliphatics
  • Other Reagents
Mol File:
32315-10-9.mol
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Triphosgene Chemical Properties

Melting point:
79-83 °C (lit.)
Boiling point:
203-206 °C (lit.)
Density 
1.78
vapor pressure 
16 hPa (90 °C)
Flash point:
203-206°C
storage temp. 
2-8°C
form 
Crystalline Powder, Crystals and/or Chunks
color 
White to off-white
Water Solubility 
practically insoluble
Sensitive 
Moisture Sensitive
BRN 
1787583
InChIKey
UCPYLLCMEDAXFR-UHFFFAOYSA-N
CAS DataBase Reference
32315-10-9(CAS DataBase Reference)
EPA Substance Registry System
Methanol, trichloro-, carbonate (2:1) (32315-10-9)
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Safety Information

Hazard Codes 
T+,Xn,T
Risk Statements 
26-34-29-36/37/38-20/21/22-23/24/25
Safety Statements 
36/37/39-45-9-26-36-7/9
RIDADR 
UN 2928 6.1/PG 2
WGK Germany 
2
10-19-21
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
II
HS Code 
29209010

MSDS

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Triphosgene Usage And Synthesis

Chemical Properties

White solid

Uses

An efficient carbonylating agent for liquid and solid-phase aza-peptide synthesis.

Purification Methods

It is a good solid substitute for phosgene (using a third mol per mol). Crystallise it from pet ether (b 60-80o), wash it with anhydrous cold Et2O, de-gas it at 200mm then dry at 0.1mm (over H2SO4). It has IR: max 900 and 1900 cm-1 . It is a lachrymator, is TOXIC and should be handled with gloves and in an efficient fume hood. [Hales et al. J Chem Soc 620 1957, Eckert & Forster Angew Chem, Int Ed Engl 26 894 1987, Aldrichimica Acta 21 47 1988, Beilstein 3 H 17, 3 I 8, 3 II 16, 3 III 36, 3 IV 33.]

TriphosgeneSupplier

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