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30-3890 Sigma-Aldrich

Trichloroacetic acid

JIS special grade, ≥99.0%

Synonym: TCA

  • CAS Number 76-03-9

  • Linear Formula Cl3CCOOH

  • Molecular Weight 163.39

  •  Beilstein/REAXYS Number 970119

  •  MDL number MFCD00004177

  •  PubChem Substance ID 329753491

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Properties

Related Categories Acids, Acids & Bases, Acids and Bases, Alphabetical, Biochemicals and Reagents,
grade   JIS special grade
vapor density   <1 (vs air)
vapor pressure   1 mmHg ( 51 °C)
assay   ≥99.0%
availability   available only in Japan
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.)
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

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 
Target organs 
Respiratory system
RIDADR 
UN 1839 8 / PGII
WGK Germany 
WGK 2

Documents

Certificate of Analysis (COA)

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Protocols & Articles

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