Merck Trichloroacetic acid

Grade:  ACS reagent

Quality Level:  300

Agency:  reag. Ph. Eur.

vapor pressure:   1 hPa ( 20 °C)

product line:  EMSURE®

Assay:  ≥99.5% (alkalimetric)

Form:   solid

autoignition temp.:  711 °C

potency:  3320 mg/kg LD50, oral (Rat)

impurities:  ≤0.01% In water insoluble matter

                      ≤300 ppm Sulfated ash (600 °C)

color:  clear

pH:  <1 (20 °C, 50 g/L in H2O)

mp:  54-56 °C

transition temp:  flash point >110 °C

solubility:  1300 g/L

density:  1.63 g/cm3 at 20 °C

bulk density:  900 kg/m3

anion traces:

chloride (Cl-): ≤10 ppm

nitrate (NO3-): ≤20 ppm

phosphate (PO43-): ≤5 ppm

sulfate (SO42-): ≤200 ppm

cation traces:

Cu: ≤5 ppm

Fe: ≤10 ppm

heavy metals (as Pb): ≤20 ppm

storage temp.:   15-25°C

SMILES string:   ClC(Cl)(Cl)C(=O)[O-].[H+]

InChI:   1S/C2HCl3O2/c3-2(4,5)1(6)7/h(H,6,7)

InChI key:   YNJBWRMUSHSURL-UHFFFAOYSA-N

Linkage

Replaces: TX1045; TX1045-5; TX1045-3

Analysis Note

Assay (alkalimetric): ≥ 99.5 %

Identity (IR-spectrum): passes test

Appearance: colorless, deliquescent crystals

Appearance of solution (200 g/l; water): clear and colorless

In water insoluble matter: ≤ 0.01 %

Chloride (Cl): ≤ 10 ppm

Nitrate (NO₃): ≤ 20 ppm

Phosphate (PO₄): ≤ 5 ppm

Sulphate (SO₄): ≤ 200 ppm

Heavy metals (as Pb): ≤ 20 ppm

Cu (Copper): ≤ 5 ppm

Fe (Iron): ≤ 10 ppm

Readily carbonisable substance: passes test

Sulfated ash (600 °C): ≤ 300 ppm

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany