3,4-二氯三氟化苯

Description

3,4-Dichlorobenzotrifluoride · CAS 328-84-7 · C7H3Cl2F3. UNII 7G60XCU4GG. Boiling Point: 173-174 °C; Melting Point: -13 to -12 °C; Flash Point: [ChemIDplus] 65 °C.

Identification

CAS Registry Number	328-84-7
PubChem CID	9481
Molecular formula	C7H3Cl2F3
IUPAC name	1,2-dichloro-4-(trifluoromethyl)benzene
UNII (FDA)	7G60XCU4GG

Computed Descriptors

Molecular Weight	215.00
XLogP3	4.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	213.9563900
Monoisotopic Mass	213.9563900
Topological Polar Surface Area	0
Heavy Atom Count	12
Formal Charge	0

Physical & Chemical Properties

Boiling Point	173-174 °C
Melting Point	-13 to -12 °C
Flash Point	[ChemIDplus] 65 °C
Flash Point	65 °C (150 °F)
Density	1.478
Vapor Pressure	2.36 [mmHg]
Vapor Pressure	2.36 mm Hg at 25 °C

Physical description & handling notes

• 3,4-dichlorobenzotrifluoride appears as a colorless liquid. Irritating and narcotic in high concentrations. Used as a solvent and for making other chemicals and dyes.
• Colorless liquid with an aromatic odor; [HSDB]
• Clear, colorless liquid
• Aromatic
• Soluble in petroleum ether and acetonitrile.
• Index of refraction (for sodium D line @ 20 °C) = 1.4750

Regulatory Status

GHS notification summary	2.8% (5 / 180)

GHS Hazard Classification

GHS notification summary	2.8% (5 / 180)
Reported hazard statements	H302 (12.2%), H315 (27.2%), H319 (25%), H335 (24.4%), H411 (70.6%), H227

Documented Uses

• Used as an intermediate for insecticides and herbicides; [HSDB] Used as a solvent and to make dyes and other chemicals; [CAMEO]
• Intermediate for insecticides and herbicides
• 3,4-Dichlorobenzotrifluoride is produced by reacting 3,4-dichlorobenzotrichloride with anhydrous hydrogen fluoride.
• 3,4-Dichlorobenzotrifluoride is produced as a byproduct of 4-chlorobenzotrifluoride production
• 3,4-Dichlorotoluene + hydrogen fluoride (side-chain chlorination/halogen exchange).
• By chlorination of 4-chlorobenzotrifluoride.

Synonyms

3,4-DICHLOROBENZOTRIFLUORIDE; 328-84-7; 1,2-Dichloro-4-(trifluoromethyl)benzene; Benzene, 1,2-dichloro-4-(trifluoromethyl)-; 3,4-Dichloro-alpha,alpha,alpha-trifluorotoluene; DTXSID5027142; 3,4-Dichlorophenyltrifluoromethane; 7G60XCU4GG; Toluene, 3,4-dichloro-alpha,alpha,alpha-trifluoro-; DTXCID907142; 3,4-DCBTE; RefChem:91027; 206-337-1; MFCD00000555; HSDB 6126; CAS-328-84-7

Frequently Asked Questions

What are the CAS number and molecular formula of 3,4-Dichlorobenzotrifluoride?

CAS 328-84-7; molecular formula C7H3Cl2F3; molecular weight — g/mol.

What other names is 3,4-Dichlorobenzotrifluoride known by?

3,4-DICHLOROBENZOTRIFLUORIDE, 328-84-7, 1,2-Dichloro-4-(trifluoromethyl)benzene, Benzene, 1,2-dichloro-4-(trifluoromethyl)-, 3,4-Dichloro-alpha,alpha,alpha-trifluorotoluene, DTXSID5027142.

Is 3,4-Dichlorobenzotrifluoride classified as hazardous?

2.8% of GHS notifications report no hazard classification (5 of 180).

What are the key physical properties of 3,4-Dichlorobenzotrifluoride?

Boiling Point: 173-174 °C; Melting Point: -13 to -12 °C; Flash Point: [ChemIDplus] 65 °C; Flash Point: 65 °C (150 °F).

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.