2,4-二氯苯甲酸

Description

2,4-Dichlorobenzoic acid · CAS 50-84-0 · C7H4Cl2O2. UNII 0SR0320D45. Melting Point: 315 to 320 °F (NTP, 1992); LogP: 2.76.

Identification

CAS Registry Number	50-84-0
PubChem CID	5787
Molecular formula	C7H4Cl2O2
IUPAC name	2,4-dichlorobenzoic acid
UNII (FDA)	0SR0320D45

Computed Descriptors

Molecular Weight	191.01
XLogP3	2.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	189.9588348
Monoisotopic Mass	189.9588348
Topological Polar Surface Area	37.3
Heavy Atom Count	11
Formal Charge	0

Physical & Chemical Properties

Melting Point	315 to 320 °F (NTP, 1992)
LogP	2.76

Physical description & handling notes

• 2,4-dichlorobenzoic acid is a white to slightly yellowish powder. (NTP, 1992)
• Sublimes (NTP, 1992)
• less than 1 mg/mL at 66 °F (NTP, 1992)

GHS Hazard Classification

Reported hazard statements	H302 (96.6%), H315 (67.5%), H319 (67.5%), H335 (66.7%)

Documented Uses

• Benzoic acid, 2,4-dichloro-: ACTIVE

Synonyms

2,4-DICHLOROBENZOIC ACID; 50-84-0; Benzoic acid, 2,4-dichloro-; DTXSID0024977; NSC-578; 0SR0320D45; DTXCID104977; CHEBI:30748; 2,4-DCBA; RefChem:82379; 200-067-8; Furosemide EP impurity E; MFCD00002414; 2,4 dichlorobenzoic acid; BRN 1868192; CCRIS 9472

Frequently Asked Questions

What are the CAS number and molecular formula of 2,4-Dichlorobenzoic acid?

CAS 50-84-0; molecular formula C7H4Cl2O2; molecular weight — g/mol.

What other names is 2,4-Dichlorobenzoic acid known by?

2,4-DICHLOROBENZOIC ACID, 50-84-0, Benzoic acid, 2,4-dichloro-, DTXSID0024977, NSC-578, 0SR0320D45.

Is 2,4-Dichlorobenzoic acid classified as hazardous?

Hazard statements reported: H302, H315, H319, H335.

What are the key physical properties of 2,4-Dichlorobenzoic acid?

Melting Point: 315 to 320 °F (NTP, 1992); LogP: 2.76.

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.