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139386

Sigma-Aldrich

正己烷

Hexane
1 of 1 reviewers received a sample product or took part in a promotion

≥99%, suitable for GC/MS, suitable for EPA 1613, ReagentPlus®

同義詞:

正己烷

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About This Item

線性公式:
CH3(CH2)4CH3
CAS號碼:
110-54-3
分子量：:
86.18
Beilstein:
1730733
EC號碼:
203-777-6
MDL號碼:
MFCD00009520
分類程式碼代碼:
12352001
PubChem物質ID:
329750373
NACRES:
NA.06
bp:
69 °C (lit.)
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產品名稱

正己烷, ReagentPlus®, ≥99%

等級

reagent

品質等級

100

agency

suitable for EPA 1613

蒸汽密度

~3 (vs air)

蒸汽壓力

256 mmHg ( 37.7 °C)
5.2 psi ( 37.7 °C)
~132 mmHg ( 20 °C)

產品線

ReagentPlus®

化驗

≥99%

形狀

liquid

自燃溫度

453 °F

expl. lim.

7.7 %

技術

GC/MS: suitable

折射率

n20/D 1.375 (lit.)

pH值

7

bp

69 °C (lit.)

mp

−95 °C (lit.)

溶解度

water: insoluble

密度

0.659 g/mL at 25 °C (lit.)

SMILES 字串

CCCCCC

InChI

1S/C6H14/c1-3-5-6-4-2/h3-6H2,1-2H3

InChI 密鑰

VLKZOEOYAKHREP-UHFFFAOYSA-N

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相關類別

一般說明

己烷是一种烷烃，有 5 种结构异构体形式，即己烷、异己烷、3-甲基戊烷、新己烷和 2,3-二甲基丁烷。它可以通过蒸馏从石油中获得。也可通过电解丁酸钾溶液生产。它广泛用于溶解和分离脂肪和油的有机溶剂。[1]

應用

己烷可用于以下研究：
  • 聚（二甲基硅氧烷）- g -聚（甲基丙烯酸甲酯）接枝共聚物链的制备。[2]
  • 从不同来源分离的精油的 GC/MS（气相色谱/质谱法）表征。[3]
  • 作为色谱研究期间制备样品和标准品的溶剂。[4]

正相高效液相色谱法中，己烷可作为检测胭脂虫的溶剂。[5]它也可以用作提取溶剂来浓缩血清中的分析物，如氨基烷基吲哚类型的合成大麻素和甲酰胺，然后使用液相色谱串联质谱法进行分离。[6]

法律資訊

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

訊號詞

Danger

危險分類

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3

標靶器官

Central nervous system, Nervous system

儲存類別代碼

3 - Flammable liquids

水污染物質分類（WGK）

WGK 3

閃點（°F）

-7.6 °F - closed cup

閃點（°C）

-22 °C - closed cup

從最近期的版本中選擇一個：

分析證明 (COA)

Lot/Batch Number
SHBS6685
SDBB1508
STBL3473
SHBR7834
STBL2594

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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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    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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  3. Does this product meet the below spec? trace benzene <0.05 mg/kg it's quite important for our purchase plan

    1 answer

    1. This product is not tested for trace benzene. Please see the specification sheet for this product which lists the tests performed on the product: https://www.sigmaaldrich.com/specification-sheets/427/859/139386-BULK_______SIGALD_____.pdf

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Reviews

1 of 1 reviewers received a sample product or took part in a promotion

Active Filters

    • Review 1
    • Votes 0
    5 out of 5 stars.

    Up to spec, high quality

    The n-Hexane met all specs and enabled reproducible tech transfer for analytical methods.

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