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Merck
CN

27242

三氯乙酸

puriss., meets analytical specification of Ph. Eur., USP 21, 99-100.5% (calc. to the dried substance)

别名:

TCA

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关于此项目

线性分子式:
Cl3CCOOH
化学文摘社编号:
76-03-9
分子量:
163.39
UNSPSC Code:
12352100
NACRES:
NA.21
PubChem Substance ID:
57648227
EC Number:
200-927-2
Beilstein/REAXYS Number:
970119
MDL number:
MFCD00004177

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产品名称

三氯乙酸, puriss., meets analytical specification of Ph. Eur., USP 21, 99-100.5% (calc. to the dried substance)

InChI key

YNJBWRMUSHSURL-UHFFFAOYSA-N

InChI

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

SMILES string

OC(=O)C(Cl)(Cl)Cl

vapor density

<1 (vs air)

vapor pressure

1 mmHg ( 51 °C)

grade

puriss.

assay

99-100.5% (calc. to the dried substance)

quality

meets analytical specification of Ph. Eur., USP 21

ign. residue

≤0.02% (as SO4)

loss

≤0.5% loss on drying, 18 h (on silica gel)

refractive index

n20/D 1.62 (lit.)

bp

196 °C (lit.)

mp

54-58 °C (lit.)

solubility

soluble 81.7 g/L at 20 °C (completely)

density

1.62 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤500 mg/kg

cation traces

Fe: ≤20 mg/kg

Quality Level

200

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Application

传统上用于沉淀蛋白质。用于通过定量沉淀测定蛋白质浓度。用作脱钙剂和显微镜样品的固定剂。
可使用催化剂量的三氯乙酸来提高从邻氨基苯甲酸合成苯二重氮-2-羧酸盐时的产量。

pictograms

CorrosionEnvironment
GHS05,GHS09

signalword

Danger

hcodes

H314,H410

Hazard Classifications

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

存储类别

8B - Non-combustible corrosive hazardous materials

wgk

WGK 2

flash_point_f

>235.4 °F - closed cup

flash_point_c

> 113 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

法规信息

危险化学品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
STBJ5122
STBJ4233
STBJ3475
STBH7097
STBJ1433

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Benzenediazonium-2-Carboxylate and Biphenylene.
Logullo FM, et al
Organic Syntheses, 5, 54-54 (1973)
Solubility of albumin in alcohol after precipitation by trichloroacetic acid: a simplified procedure for separation of albumin.
J R DEBRO et al.
Nature, 178(4541), 1067-1067 (1956-11-10)
A microcolorimetric method for the determination of inorganic phosphorus.
H H TAUSSKY et al.
The Journal of biological chemistry, 202(2), 675-685 (1953-06-01)
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
Ying Wang et al.
Diabetes, 63(8), 2643-2655 (2014-03-13)
After diabetes, the heart has a singular reliance on fatty acid (FA) for energy production, which is achieved by increased coronary lipoprotein lipase (LPL) that breaks down circulating triglycerides. Coronary LPL originates from cardiomyocytes, and to translocate to the vascular
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