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Merck

8.22342

Trichloroacetic acid

for synthesis

Synonym(s):

Trichloroacetic acid

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About This Item

Empirical Formula (Hill Notation):
C2HCl3O2
CAS Number:
Molecular Weight:
163.39
UNSPSC Code:
12352106
EC Index Number:
200-927-2
NACRES:
NA.22
MDL number:

Product Name

Trichloroacetic acid, for synthesis

form

solid

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

grade

synthesis grade

vapor pressure

1 hPa ( 20 °C)

assay

≥98% (acidimetric)

autoignition temp.

711 °C

potency

3320 mg/kg LD50, oral (Rat)

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

storage temp.

2-30°C

Quality Level

Analysis Note

Assay (acidimetric): ≥ 98.0 %
Identity (IR): passes test

Application

  • Stable dechlorination of Trichloroacetic Acid (TCAA) to acetic acid catalyzed by palladium nanoparticles: This research discusses a method for dechlorinating TCAA to acetic acid, crucial during the COVID-19 pandemic for disinfection byproducts (Cai et al., 2021).

pictograms

CorrosionEnvironment

signalword

Danger

hcodes

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1A

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 2

flash_point_f

>235.4 °F - closed cup

flash_point_c

> 113 °C - closed cup


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