o-Anisaldehyde

Description

o-Methoxybenzaldehyde is identified by CAS 135-02-4, molecular formula C8H8O2 and molecular weight 136.05 g/mol. UNII 7CP821WF2W; ChEBI 172139; InChIKey PKZJLOCLABXVMC-UHFFFAOYSA-N. Boiling Point: 238.00 °C. @ 760.00 mm Hg; Melting Point: 39 °C; Vapor Pressure: 0.12 [mmHg].

Identification

CAS Registry Number	135-02-4
PubChem CID	8658
Molecular formula	C8H8O2
Molecular weight	136.05 g/mol
IUPAC name	2-methoxybenzaldehyde
InChIKey	PKZJLOCLABXVMC-UHFFFAOYSA-N
UNII (FDA)	7CP821WF2W
ChEBI ID	CHEBI:172139
FEMA number	4077
JECFA number	2062

Computed Descriptors

Molecular Weight	136.15
XLogP3	1.7
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	136.052429494
Monoisotopic Mass	136.052429494
Topological Polar Surface Area	26.3
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Boiling Point	238.00 °C. @ 760.00 mm Hg
Melting Point	39 °C
Vapor Pressure	0.12 [mmHg]
LogP	1.72
Ionization Efficiency	1.18
Ionization Efficiency	2.7
Ionization Efficiency	MeCN (80%)
Ionization Efficiency	DOI:10.1038/s41598-020-62573-z

Physical description & handling notes

• Light yellow solidified mass or fragments; mp = 34-40 deg C; [Sigma-Aldrich MSDS]
• Solid
• Light yellow solid; Sweet powdery hawthorn, vanilla and almond aroma
• Soluble in water and propylene glycol
• Soluble (in ethanol)
• Positive

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Floral No safety concern at current levels of intake when used as a flavouring agent
GHS notification summary	0.2% (3 / 1457)

GHS Hazard Classification

GHS notification summary	0.2% (3 / 1457)
Reported hazard statements	H315 (99.8%), H319 (99.8%), H335 (99.5%)

Documented Uses

• Used as flavoring agent or adjuvant; [FDA]
• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index
• Benzaldehyde, 2-methoxy-: ACTIVE

Synonyms

2-METHOXYBENZALDEHYDE; o-Anisaldehyde; Benzaldehyde, 2-methoxy-; o-Methoxybenzaldehyde; 2-methoxy-benzaldehyde; Formylanisole, o-; DTXSID1051690; EINECS 205-171-7; UNII-7CP821WF2W; NSC 58960; BRN 0606301; 7CP821WF2W; o-methoxy benzaldehyde; o-methoxy-benzaldehyde; O-Anisaldehyde, 8CI; AI3-01375

Frequently Asked Questions

What are the CAS number and molecular formula of o-Methoxybenzaldehyde?

CAS 135-02-4; molecular formula C8H8O2; molecular weight 136.05 g/mol.

What other names is o-Methoxybenzaldehyde known by?

2-METHOXYBENZALDEHYDE, o-Anisaldehyde, Benzaldehyde, 2-methoxy-, o-Methoxybenzaldehyde, 2-methoxy-benzaldehyde, Formylanisole, o-.

What is the regulatory status of o-Methoxybenzaldehyde?

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

Is o-Methoxybenzaldehyde classified as hazardous?

0.2% of GHS notifications report no hazard classification (3 of 1457).

What are the key physical properties of o-Methoxybenzaldehyde?

Boiling Point: 238.00 °C. @ 760.00 mm Hg; Melting Point: 39 °C; Vapor Pressure: 0.12 [mmHg]; LogP: 1.72.

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.