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PS34

Trichloroacetic acid

analytical standard

Synonym: TCA

  • CAS Number 76-03-9

  • Linear Formula Cl3CCOOH

  • Molecular Weight 163.39

  •  Beilstein/REAXYS Number 970119

  •  EC Number 200-927-2

  •  MDL number MFCD00004177

  •  PubChem Substance ID 24899186

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Properties

grade   analytical standard
vapor density   <1 (vs air)
vapor pressure   1 mmHg ( 51 °C)
packaging   ampule of 1000 mg
mfr. no.   Chem Service, Inc., PS-34
refractive index   n20/D 1.62 (lit.)
bp   196 °C (lit.)
mp   54-58 °C (lit.)
density   1.62 g/mL at 25 °C (lit.)
Featured Industry   Agriculture
SMILES string   OC(=O)C(Cl)(Cl)Cl
InChI   1S/C2HCl3O2/c3-2(4,5)1(6)7/h(H,6,7)
InChI key   YNJBWRMUSHSURL-UHFFFAOYSA-N

Description

Application

Trichloroacetic acid may be used as a reference standard in the determination of trichloroacetic acid in water samples using gas chromatography (GC).

Traditionally used to precipitate protein. Has been used to determine protein concentration by quantitative precipitation. Used as decalcifier and fixative in microscopy.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1839 8 / PGII
WGK Germany 
2
RTECS 
AJ7875000
Flash Point(F) 
>235.4 °F
Flash Point(C) 
>113 °C

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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