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10-Undecenal

10-Undecenal structure

CAS No:
112-45-8
Formula:
C11H20O
Chemical Name:
10-Undecenal
Synonyms:
10-Undecenal;10-Hendecenal;Undecylenic aldehyde;Undecylene aldehyde;10-Undecen-1-al;ω-Undecenyl aldehyde;NSC 44900;Intreleven aldehyde;10-Undecylenic aldehyde;10-Undecenyl aldehyde;Aldehyde C 111LEN;Undec-10-enal
Categories:
Cosmetic Ingredient > Perfuming

Description

Clear colorless liquid 10-Undecenal was identified, for example, in coriander leaf extract. It is a colorless liquid with a fatty, green, slightly metallic, heavy, floral odor. The aldehyde can be synthesized from undecylenic acid, for example, by hydrogenation of the acid chloride (Rosenmund reduction) or by reaction with formic acid in the vapor phase in the presence of titanium dioxide. In perfumery, 10-undecenal is one of the aldehydes essential for creating the “aldehydic note.”

Liquid|colourless to light yellow liquid with a fatty, rose-like odour on dilution

10-undecenal is an undecenal.

10-Undecenal Basic Attributes

Molecular Weight：

168.28

Exact Mass：

168.28

EC Number：

203-973-1

UNII：

DU1OTA08RY

NSC Number：

44900

DSSTox ID：

DTXSID3037757

HScode：

29121900

Characteristics

PSA：

17.1

XLogP3：

4.12

Appearance：

White Crystals or Crystalline Powder

Density：

0.84 g/mL at 25 °C(lit.)

Melting Point：

7°C

Boiling Point：

130-140 °C @ Press: 30 Torr

Flash Point：

199 °F

Refractive Index：

n 20/D 1.4427(lit.)

Water Solubility：

Insoluble

Storage Conditions：

Refrigerator (+4°C)

Vapor Pressure：

0.039mmHg at 25°C

Vapor Density：

>1 (vs air)

Safety Information

wgk germany：

hazard class code：

38-10

safety instructions：

24/25-37/39-26

RTECS Number：

YQ2835000

Marks：

Precautionary statement(s)：

P210, P280, P370+P378, P403+P235, P501

Hazard Statements：

H227

GHS Classification：

|Warning|H315 (98.44%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P272, P273, P280, P302+P352, P305+P351+P338, P321, P332+P313, P333+P313, P337+P313, P362, P363, P391, and P501|Aggregated GHS information provided by 1669 companies from 14 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H227: Combustible liquid [Warning Flammable liquids]|P210, P280, P370+P378, P403+P235, and P501

10-Undecenal Use and Manufacturing

Methods of Manufacturing

It is obtained by co-boiling 7-hydroxynonanoic acid and 50% sulfuric acid to carry out molecular rearrangement. In the presence of pyridine, heptyl aldehyde and malonic acid are condensed to nonenoic acid, and then co-heated with sulfuric acid to lactonize.

Uses

GB 2760-1996 stipulates the allowable food flavors. Mainly used to prepare citrus fruit flavors.

Odor agents

Air care products

Production

100,000 - 500,000 lb

Manufacturing Info：

All other chemical product and preparation manufacturing|10-Undecenal: ACTIVE

Use Classification：

EPA Safer Chemical Functional Use Classes -> Fragrances|Safer Chemical Classes -> Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class, but has some hazard profile issues|Food additives -> Flavoring Agents|Flavoring Agents -> JECFA Flavorings Index|Fatty Acyls [FA] -> Fatty aldehydes [FA06]

Food Additive Classes：

Flavoring Agents

Computed Properties

Molecular Weight:168.28
XLogP3:3.8
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:9
Exact Mass:168.151415257
Monoisotopic Mass:168.151415257
Topological Polar Surface Area:17.1
Heavy Atom Count:12
Complexity:108
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Oxalyl chloride

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Guide of 10-Undecenal

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
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10-Undecenal

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