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Key Documents

30-3905

Sigma-Aldrich

Trichloroacetic acid

≥99.5%

Synonym(s):

TCA

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About This Item

Linear Formula:
Cl3CCOOH
CAS Number:
Molecular Weight:
163.39
Beilstein/REAXYS Number:
970119
MDL number:
UNSPSC Code:
12352101
PubChem Substance ID:
Pricing and availability is not currently available.

vapor density

<1 (vs air)

vapor pressure

1 mmHg ( 51 °C)

assay

≥99.5%

form

solid

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

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Application

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

Suitability

for biological purposes

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_germany

WGK 2

flash_point_f

>235.4 °F - closed cup

flash_point_c

> 113 °C - closed cup


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