ALDEHYDE C-9

Description

ALDEHYDE C-9 · CAS 124-19-6 · C9H18O. UNII 2L2WBY9K6T. Boiling Point: 374 to 378 °F at 760 mmHg (NTP, 1992); Boiling Point: 195 °C; Boiling Point: 93 °C (23 mm Hg); 191 °C.

Identification

CAS Registry Number	124-19-6
PubChem CID	31289
Molecular formula	C9H18O
IUPAC name	nonanal
UNII (FDA)	2L2WBY9K6T
FEMA number	2782
JECFA number	101

Computed Descriptors

Molecular Weight	142.24
XLogP3	3.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	7
Exact Mass	142.135765193
Monoisotopic Mass	142.135765193
Topological Polar Surface Area	17.1
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Boiling Point	374 to 378 °F at 760 mmHg (NTP, 1992)
Boiling Point	195 °C
Boiling Point	93 °C (23 mm Hg); 191 °C
Melting Point	145 °F (NTP, 1992)
Melting Point	-19.3 °C
Flash Point	182 °F (NTP, 1992)
Flash Point	64 °C (147 °F) - closed cup
Solubility	Insoluble (<1mg/ml) (NTP, 1992)
Solubility	In water, 96 mg/L at 25 °C
Density	0.8264 g/cu cm at 22 °C

Physical description & handling notes

• Nonanal is a clear brown liquid characterized by a rose-orange odor. Insoluble in water. Found in at least 20 essential oils, including rose and citrus oils and several species of pine oil.
• Liquid; CBI
• Colorless liquid with a floral odor; Insoluble in water (96 mg/L at 25 deg C); [HSDB] Brown liquid; [CAMEO] Colorless liquid; [MSDSonline]
• colourless to yellow liquid/fruity odour
• Colorless liquid
• Orange-rose odor

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Fat, Floral, Green, Lemon JECFA ADI: 0-0.1 mg/kg bw (1984)
GHS notification summary	4.2% (83 / 1956)

GHS Hazard Classification

GHS notification summary	4.2% (83 / 1956)
Reported hazard statements	H315 (19.3%), H319 (18.5%), H412 (92.9%), H227, H336, H401, H335

Documented Uses

• Used in perfumes and foods (flavoring agent); [Hawley] Occurs in essential oils; [CAMEO] Occurs in citrus and rose oils; [Ullmann]
• ... used in the perfume industry.
• ... used in floral compositions, particularly those with rose characteristics.
• Nonanal is a synthetic flavoring substance and adjuvant permitted for direct addition to food for human consumption.
• Table: Reported uses (ppm): (Flavor and Extract Manufacturers' Association, 1994) [Table#6836]
• Naturally produced by the body (endogenous).

Synonyms

NONANAL; 124-19-6; 1-Nonanal; Pelargonaldehyde; Nonanaldehyde; n-Nonanal; Nonyl aldehyde; n-Nonaldehyde; Nonaldehyde; Nonylaldehyde; Pelargonic aldehyde; Nonylic aldehyde; 1-Nonaldehyde; Nonanoic aldehyde; Aldehyde C-9; 1-Nonyl aldehyde

Frequently Asked Questions

What are the CAS number and molecular formula of ALDEHYDE C-9?

CAS 124-19-6; molecular formula C9H18O; molecular weight — g/mol.

What other names is ALDEHYDE C-9 known by?

NONANAL, 124-19-6, 1-Nonanal, Pelargonaldehyde, Nonanaldehyde, n-Nonanal.

What is the regulatory status of ALDEHYDE C-9?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is ALDEHYDE C-9 classified as hazardous?

4.2% of GHS notifications report no hazard classification (83 of 1956).

What are the key physical properties of ALDEHYDE C-9?

Boiling Point: 374 to 378 °F at 760 mmHg (NTP, 1992); Boiling Point: 195 °C; Boiling Point: 93 °C (23 mm Hg); 191 °C; Melting Point: 145 °F (NTP, 1992).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.