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重要文件

27980

Sigma-Aldrich

巴豆醛,顺式和反式混合物

ratio of cis- and trans-isomers (~1:20), ≥99.5% (GC)

同義詞:

2-丁烯醛,顺式和反式混合物

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About This Item

線性公式:
CH3CH=CHCHO
CAS號碼:
分子量::
70.09
Beilstein:
1209254
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

品質等級

化驗

≥99.5% (GC)

形狀

liquid

包含

~0.1% 2,6-di-tert-butyl-4-methylphenol as stabilizer
~1% H2O as stabilizer

折射率

n20/D 1.437

bp

101-102 °C (lit.)

密度

0.853 g/mL at 20 °C (lit.)

官能基

aldehyde

儲存溫度

2-8°C

SMILES 字串

C\C=C\C=O

InChI

1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+

InChI 密鑰

MLUCVPSAIODCQM-NSCUHMNNSA-N

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一般說明

Crotonaldehyde(2-Butenal) is an α, β-unsaturated aldehyde and extremely reactive compound. It serves as a chemical building block in the production of solvents, sorbates, and, to a lower extent, pharmaceuticals and aroma compounds. Additionally, it can be used as an alcohol denaturant, in leather tanning and in the manufacturing of rubber accelerators.

應用

Crotonaldehyde is used:

  • In the manufacturing of sorbic acid that are widely employed as food preservatives to avoid the food spoilage by microorganisms.

訊號詞

Danger

危險分類

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Eye Dam. 1 - Flam. Liq. 2 - Muta. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

55.4 °F - closed cup

閃點(°C)

13 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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分析證明 (COA)

Lot/Batch Number

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