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Merck
CN

W221910

Sigma-Aldrich

丁醛

natural, FG

别名:

正丁醛

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About This Item

线性分子式:
CH3CH2CH2CHO
CAS号:
分子量:
72.11
FEMA编号:
2219
Beilstein:
506061
EC 号:
欧洲委员会编号:
91
MDL编号:
UNSPSC代码:
12164502
PubChem化学物质编号:
Flavis编号:
5.003
NACRES:
NA.21
性状检查:
cocoa; green; musty; pungent
等级:
FG
Fragrance grade
Halal
Kosher
natural
Agency:
follows IFRA guidelines
食品过敏原:
no known allergens

等级

FG
Fragrance grade
Halal
Kosher
natural

质量水平

Agency

follows IFRA guidelines

管理合规性

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 172.515

蒸汽密度

2.5 (vs air)

蒸汽压

90 mmHg ( 20 °C)

方案

95%

自燃温度

390 °F

expl. lim.

12.5 %

折射率

n20/D 1.380 (lit.)

沸点

75 °C (lit.)

mp

−96 °C (lit.)

密度

0.8 g/mL at 25 °C (lit.)

应用

flavors and fragrances

文件

see Safety & Documentation for available documents

食品过敏原

no known allergens

致敏芳香化合物

no known allergens

性状检查

cocoa; green; musty; pungent

储存温度

2-8°C

SMILES字符串

[H]C(=O)CCC

InChI

1S/C4H8O/c1-2-3-4-5/h4H,2-3H2,1H3

InChI key

ZTQSAGDEMFDKMZ-UHFFFAOYSA-N

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其他说明

天然存在:苹果、梨、胡萝卜、白面包、啤酒、熟米饭。

象形图

FlameExclamation mark

警示用语:

Danger

危险声明

预防措施声明

危险分类

Eye Irrit. 2 - Flam. Liq. 2

储存分类代码

3 - Flammable liquids

WGK

WGK 1

闪点(°F)

<50.0 °F - Pensky-Martens closed cup

闪点(°C)

< 10 °C - Pensky-Martens closed cup

个人防护装备

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

法规信息

危险化学品

从最新的版本中选择一种:

分析证书(COA)

Lot/Batch Number

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访问文档库

N Gregory et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 44(8), 1223-1227 (2006-03-17)
Bovine soles and shavings from the heel were used in laboratory tests that examined the softening and swelling effects of rainwater, cow slurry (faeces plus urine), urine, silage effluent, and washings from recently laid concrete. Formalin, glutaraldehyde and butyraldehyde were
Daniel Norberg et al.
Journal of computational chemistry, 29(3), 392-406 (2007-07-04)
The stepwise and concerted pathways for the McLafferty rearrangement of the radical cations of butanal (Bu(+)) and 3-fluorobutanal (3F-Bu(+)) are investigated with density functional theory (DFT) and ab initio methods in conjunction with the 6-311+G(d,p) basis set. A concerted transition
Zhifeng Huang et al.
PloS one, 7(5), e36423-e36423 (2012-05-11)
Keratinocyte growth factor 1 (KGF-1) has proven useful in the treatment of pathologies associated with dermal adnexae, liver, lung, and the gastrointestinal tract diseases. However, poor stability and short plasma half-life of the protein have restricted its therapeutic applications. While
Yiannis C Fiamegos et al.
Analytica chimica acta, 609(2), 175-183 (2008-02-12)
A suitable method for the gas chromatographic determination of 10 characteristic carbonyls in biological and oil samples based on the in-drop formation of hydrazones by using 2,4,6-trichlorophenylhydrazine (TCPH), has been developed. The derivatisation-extraction procedure was optimized separately for aqueous and
Fan Fan et al.
Biochemistry, 45(6), 1979-1986 (2006-02-08)
Choline oxidase catalyzes the four-electron oxidation of choline to glycine betaine via two sequential FAD-dependent reactions in which betaine aldehyde is formed as an intermediate. The chemical mechanism for the oxidation of choline catalyzed by choline oxidase was recently elucidated

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