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240370

Sigma-Aldrich

Valeric acid

≥99%

Synonym(s):

n-Valeric acid, Pentanoic acid

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About This Item

Linear Formula:
CH3(CH2)3COOH
CAS Number:
109-52-4
Molecular Weight:
102.13
Beilstein/REAXYS Number:
969454
EC Number:
203-677-2
MDL number:
MFCD00004413
UNSPSC Code:
12352100
PubChem Substance ID:
24854415
NACRES:
NA.22

vapor density

3.5 (vs air)

Quality Level

200

vapor pressure

0.15 mmHg ( 20 °C)

assay

≥99%

form

liquid

autoignition temp.

707 °F

expl. lim.

7.6 %

refractive index

n20/D 1.408 (lit.)

bp

110-111 °C/10 mmHg (lit.)
185 °C (lit.)

mp

−20-−18 °C (lit.)

density

0.939 g/mL at 25 °C (lit.)

SMILES string

CCCCC(O)=O

InChI

1S/C5H10O2/c1-2-3-4-5(6)7/h2-4H2,1H3,(H,6,7)

InChI key

NQPDZGIKBAWPEJ-UHFFFAOYSA-N

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General description

Valeric acid (VA) also known as pentanoic acid, is a short-chain fatty acid used to synthesize valeric biofuels.

Application

Sex attractant of the sugar beet wireworm, Limonius californicus.

pictograms

Corrosion
GHS05

signalword

Danger

Hazard Classifications

Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

192.2 °F - closed cup

flash_point_c

89 °C - closed cup

ppe

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Chun-Chieh Lin et al.
eLife, 4 (2015-10-01)
Animals use olfactory cues for navigating complex environments. Food odors in particular provide crucial information regarding potential foraging sites. Many behaviors occur at food sites, yet how food odors regulate such behaviors at these sites is unclear. Using Drosophila melanogaster
D M Saunders et al.
The Australian & New Zealand journal of obstetrics & gynaecology, 18(3), 198-201 (1978-08-01)
The effect of oestradiol valerate on levels of blood cholesterol, triglycerides, free oestradiol and coagulation factors, as well as on urinary oestrogens and free cortisol was measured in 10 oöphorectomised women. Despite the very high urinary oestrogen levles obtained, there
M F Böttcher et al.
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology, 30(11), 1590-1596 (2000-11-09)
The prevalence of allergic diseases has increased particularly over the past 30-40 years. A reduced microbial stimulation during infancy may result in a development of a disturbed balance between Th1- and Th2-like immunity. The gut flora is, quantitatively, the most
Martin Koller et al.
Macromolecular bioscience, 7(2), 218-226 (2007-02-14)
Three different microbial wild-type strains are compared with respect to their potential as industrial scale polyhydroxyalkanoate (PHA) producers from the feed stock whey lactose. The halophilic archaeon Haloferax mediterranei as well as two eubacterial strains (Pseudomonas hydrogenovora and Hydrogenophaga pseudoflava)
O Siddiqui et al.
Journal of pharmacokinetics and biopharmaceutics, 17(4), 405-424 (1989-08-01)
The permeation of triamcinolone, hydrocortisone, prednisolone, corticosterone, triamcinolone acetonide, testosterone, and betamethasone-17-valerate through excised human stratum corneum was quantified. The time course of permeation could be adequately described by a simple diffusion model suggesting that shunt transport may not be
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