Methyl p-formylbenzoate

Description

Methyl p-formylbenzoate · CAS 1571-08-0 · C9H8O3. UNII NH766742VV. Boiling Point: 509 °F at 760 mmHg (NTP, 1992); Melting Point: 140 to 144 °F (NTP, 1992); Vapor Pressure: 0.0099 [mmHg].

Identification

CAS Registry Number	1571-08-0
PubChem CID	15294
Molecular formula	C9H8O3
IUPAC name	methyl 4-formylbenzoate
UNII (FDA)	NH766742VV

Computed Descriptors

Molecular Weight	164.16
XLogP3	1.7
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	3
Exact Mass	164.047344113
Monoisotopic Mass	164.047344113
Topological Polar Surface Area	43.4
Heavy Atom Count	12
Formal Charge	0

Physical & Chemical Properties

Boiling Point	509 °F at 760 mmHg (NTP, 1992)
Melting Point	140 to 144 °F (NTP, 1992)
Vapor Pressure	0.0099 [mmHg]

Physical description & handling notes

• Methyl-p-formylbenzoate appears as needles (in water) or white powder. (NTP, 1992)
• Other Solid
• White solid; [CAMEO] Powder; [MSDSonline]
• less than 1 mg/mL at 72 °F (NTP, 1992)

Regulatory Status

GHS notification summary	53.3% (8 / 15)

GHS Hazard Classification

GHS notification summary	53.3% (8 / 15)
Reported hazard statements	H302 (13.3%), H315 (40%), H319 (40%), H335 (33.3%)

Documented Uses

• Used to make dimethyl terephthalate; [HSDB]
• CHEM INT (UNISOLATED) FOR DIMETHYL TEREPHTHALATE
• Not Known or Reasonably Ascertainable
• PRODUCED AS AN UNISOLATED INTERMEDIATE IN PROCESS FOR MAKING DIMETHYL TEREPHTHALATE FROM P-XYLENE BY SUCCESSIVE OXIDATIONS & ESTERIFICATIONS
• 2022: 1,000,000 - <8,500,000 lb
• 2021: 1,000,000 - <8,500,000 lb

Synonyms

METHYL 4-FORMYLBENZOATE; 1571-08-0; 4-Carbomethoxybenzaldehyde; Methyl p-formylbenzoate; Benzoic acid, 4-formyl-, methyl ester; Methyl terephthalaldehydate; 4-(Methoxycarbonyl)benzaldehyde; p-Carbomethoxybenzaldehyde; 4-Formylbenzoic Acid Methyl Ester; Methyl-p-formyl benzoate; Methyl terephthaldehydate; Methyl benzaldehyde-4-carboxylate; p-Formylbenzoic acid methyl ester; Terephthalaldehydic acid, methyl ester; 4-Carboxybenzaldehyde methyl ester; 2-Methoxycarbonylbenzaldehyde

Frequently Asked Questions

What are the CAS number and molecular formula of Methyl p-formylbenzoate?

CAS 1571-08-0; molecular formula C9H8O3; molecular weight — g/mol.

What other names is Methyl p-formylbenzoate known by?

METHYL 4-FORMYLBENZOATE, 1571-08-0, 4-Carbomethoxybenzaldehyde, Methyl p-formylbenzoate, Benzoic acid, 4-formyl-, methyl ester, Methyl terephthalaldehydate.

Is Methyl p-formylbenzoate classified as hazardous?

53.3% of GHS notifications report no hazard classification (8 of 15).

What are the key physical properties of Methyl p-formylbenzoate?

Boiling Point: 509 °F at 760 mmHg (NTP, 1992); Melting Point: 140 to 144 °F (NTP, 1992); Vapor Pressure: 0.0099 [mmHg].

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.