27980
巴豆醛，顺式和反式混合物
ratio of cis- and trans-isomers (~1:20), ≥99.5% (GC)
别名:
2-丁烯醛，顺式和反式混合物
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关于此项目
线性分子式:
CH3CH=CHCHO
化学文摘社编号:
分子量:
70.09
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1209254
Assay:
≥99.5% (GC)
Form:
liquid
Quality Segment
assay
≥99.5% (GC)
form
liquid
contains
~0.1% 2,6-di-tert-butyl-4-methylphenol as stabilizer, ~1% H2O as stabilizer
refractive index
n
bp
101-102 °C (lit.)
density
0.853 g/mL at 20 °C (lit.)
functional group
aldehyde
storage temp.
2-8°C
SMILES string
C\C=C\C=O
InChI
1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+
InChI key
MLUCVPSAIODCQM-NSCUHMNNSA-N
General description
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.
Application
Crotonaldehyde is used:
- In the manufacturing of sorbic acid that are widely employed as food preservatives to avoid the food spoilage by microorganisms.
警示词
Danger
Hazard Classifications
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
靶器官
Respiratory system
存储类别
3 - Flammable liquids
怎么回事？
WGK 3
闪点 (F)
55.4 °F - closed cup
闪点 (°C)
13 °C - closed cup
PPE（个人防护设备）
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter