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重要文件

T9159

Sigma-Aldrich

三氯乙酸

BioXtra, ≥99.0%

同義詞:

TCA

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About This Item

線性公式:
Cl3CCOOH
CAS號碼:
分子量::
163.39
Beilstein:
970119
EC號碼:
MDL號碼:
分類程式碼代碼:
12352106
PubChem物質ID:
NACRES:
NB.22
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等級

BioPerformance Certified

品質等級

蒸汽密度

<1 (vs air)

蒸汽壓力

1 mmHg ( 51 °C)

產品線

BioXtra

化驗

≥99.0%

雜質

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter

燃燒殘留物

≤0.03%

折射率

n20/D 1.62 (lit.)

bp

196 °C (lit.)

mp

54-58 °C (lit.)

溶解度

H2O: 0.5 M at 20 °C, clear, colorless

密度

1.62 g/mL at 25 °C (lit.)

負離子痕跡

sulfate (SO42-): ≤0.05%

正離子痕跡

Al: ≤0.0005%
Ca: ≤0.005%
Cu: ≤0.0005%
Fe: ≤0.001%
K: ≤0.01%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

儲存溫度

2-8°C

SMILES 字串

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

InChI

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

InChI 密鑰

YNJBWRMUSHSURL-UHFFFAOYSA-N

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一般說明

三氯乙酸(TCA)是三氯乙烯(TCE)代谢的重要代谢产物。

應用

三氯乙酸已用于:
  • 蛋白质沉淀[1]
  • 用作提取溶液组分,以测定丙二醛和谷胱甘肽[2]
  • 在[3H]-胸苷掺入测定实验中沉淀转染和处理的细胞[3]

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。

生化/生理作用

TCA可能是靶向肝脏的致癌物。[4]它可用作酸脱钙剂。TCA有助于核染色。[5]

象形圖

CorrosionEnvironment

訊號詞

Danger

危險聲明

危險分類

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

儲存類別代碼

8B - Non-combustible corrosive hazardous materials

水污染物質分類(WGK)

WGK 2

閃點(°F)

>235.4 °F - closed cup

閃點(°C)

> 113 °C - closed cup

個人防護裝備

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


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分析證明 (COA)

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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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