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Merck
CN

30-3890

Trichloroacetic acid

JIS special grade, ≥99.0%

Synonym(s):

TCA

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About This Item

Linear Formula:
Cl3CCOOH
CAS Number:
76-03-9
Molecular Weight:
163.39
PubChem Substance ID:
329753491
UNSPSC Code:
12352106
Beilstein/REAXYS Number:
970119
MDL number:
MFCD00004177
Assay:
≥99.0%
Form:
solid
Grade:
JIS special grade

Key Documents

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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

grade

JIS special grade

assay

≥99.0%

form

solid

availability

available only in Japan

refractive index

n20/D 1.62 (lit.)

bp

196 °C (lit.)

mp

54-58 °C (lit.)

solubility

water: soluble 81.7 g/L at 20 °C

density

1.62 g/mL at 25 °C (lit.)

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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.

pictograms

CorrosionEnvironment
GHS05,GHS09

signalword

Danger

hcodes

H314,H410

Hazard Classifications

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

wgk

WGK 2

flash_point_f

>235.4 °F - closed cup

flash_point_c

> 113 °C - closed cup

Storage Class

8A - Combustible corrosive hazardous materials

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
U7550
U1480
U1471
U3428
U6352

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