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Safety Information

522082

Sigma-Aldrich

Trichloroacetic acid

biotech. grade, redistilled, ≥99%

Synonym(s):

TCA

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About This Item

Linear Formula:
Cl3CCOOH
CAS Number:
76-03-9
Molecular Weight:
163.39
Beilstein:
970119
EC Number:
200-927-2
MDL number:
MFCD00004177
UNSPSC Code:
12352101
PubChem Substance ID:
24874249

grade

biotech. grade

vapor density

<1 (vs air)

vapor pressure

1 mmHg ( 51 °C)

Assay

≥99%

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

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

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Pictograms

CorrosionEnvironment
GHS05,GHS09

Signal Word

Danger

Hazard Statements

H314,H410

Hazard Classifications

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

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

>235.4 °F - closed cup

Flash Point(C)

> 113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

522082-100G:4548173165349
522082-BULK:
522082-100G-D:

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Certificates of Analysis (COA)

Lot/Batch Number
MKBL3448V
MKBG8967V
MKBF4388V
MKBC9213
MKBC0066

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Trichloroacetic acid at 105 K.
Rajagopal K, et al.
Acta Crystallographica Section E, Structure Reports Online, 59(3), 316-318 (2003)
Trichloroacetic acid peels.
Nguyen TH and Rooney JA.
Dermatologic Therapy, 13(2), 173-182 (2000)
S L Herren-Freund et al.
Toxicology and applied pharmacology, 90(2), 183-189 (1987-09-15)
Trichloroethylene (TCE) has previously been shown to be carcinogenic in mouse liver when administered by daily gavage in corn oil. The metabolism of TCE results, in part, in the formation of trichloroacetic acid (TCA) as a major metabolite and dichloroacetic
T E Lewis et al.
Environment international, 30(8), 1119-1150 (2004-09-01)
Trichloroacetic acid (TCAA) is a member of the family of compounds known as chloroacetic acids, which includes mono-, di- and trichloroacetic acid. The significant property these compounds share is that they are all phytotoxic. TCAA once was widely used as
Alan Mortensen et al.
Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals, 18(1), 55-62 (2012-10-17)
The ratio of the nitric oxide synthase (NOS) cofactor tetrahydrobiopterin (BH(4)) to its oxidized form dihydrobiopterin (BH(2)) has been suggested as an index of endothelial dysfunction. Consequently, much effort has been put into preserving the in vivo equilibrium between these
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