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3,4-DCBTE

3,4-Dichlorobenzotrifluoride

CAS: 328-84-7

Molecular Formula: C7H3Cl2F3

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3,4-DCBTE - Names and Identifiers

Name 3,4-Dichlorobenzotrifluoride
Synonyms 3,4-DCBTE
3,4-dichlo
3,4-Dichlorobenzotrifluoride
3,4-dichloro-α,α,α-trifluorotoluene
1-Trifluoromethyl-3,4-dichlorobenzene
1-(Trifluoromethyl)-3,4-dichlorobenzene
1,2-Dichloro-4-(trifluoromethyl)benzene
1,2-Dichloro-5-(trifluoromethyl)benzene
3,4-Dichlor-alpha,alpha,alpha-trifluortoluol
3,4-Dichloro-alpha,alpha,alpha-trifluorotoluene
1,2-Dichloro-4-(trifluoromethyl)benzene, 3,4-Dichloro-alpha,alpha,alpha-trifluorotoluene
CAS 328-84-7
EINECS 206-337-1
InChI InChI=1/C7H3Cl2F3/c8-5-2-1-4(3-6(5)9)7(10,11)12/h1-3H

3,4-DCBTE - Physico-chemical Properties

Molecular FormulaC7H3Cl2F3
Molar Mass215
Density1.478 g/mL at 25 °C (lit.)
Melting Point-13--12 °C (lit.)
Boling Point173-174 °C (lit.)
Flash Point150°F
Solubility Chloroform (Sparingly), Ethyl Acetate (Slightly)
Vapor Presure1.6 mm Hg ( 20 °C)
AppearanceOil
Specific Gravity1.478
ColorColourless
BRN1950151
Storage ConditionSealed in dry,Room Temperature
Refractive Indexn20/D 1.475(lit.)
Physical and Chemical Properties
density 1.478
melting point -13°C
boiling point 173-174°C
refractive index 1.474-1.476
flash point 65°C
UseUsed as pesticide herbicides, pharmaceutical intermediates

3,4-DCBTE - Risk and Safety

Risk CodesR36/37/38 - Irritating to eyes, respiratory system and skin.
R34 - Causes burns
R22 - Harmful if swallowed
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S60 - This material and its container must be disposed of as hazardous waste.
S20 - When using, do not eat or drink.
UN IDs1760
WGK Germany2
RTECSCZ5527510
TSCAYes
HS Code29036990
Hazard NoteIrritant
Hazard Class8
Packing GroupIII

3,4-DCBTE - Upstream Downstream Industry

Raw Materials4-Chlorotoluene
Chlorine
Downstream ProductsFomesafen

3,4-DCBTE - Nature

Open Data Verified Data

colorless transparent liquid with the odor of halogenated benzene. Melting Point -11 ℃, boiling point 173~174 ℃, refractive index 1. 4736, relative density 1.496. Insoluble in water, can be miscible with ethanol, ether. This product is toxic, and its vapor has a stimulating effect on the respiratory system.

Last Update：2025-06-10 22:55:16

3,4-DCBTE - Preparation Method

Open Data Verified Data
  1. toluene method
  2. p-chlorotoluene method
  3. 3,4-chloro trichloromethyl benzene fluorination method
Last Update：2022-01-01 10:41:27

3,4-DCBTE - Application

Open Data Verified Data

This product is used as an intermediate for the synthesis of diphenyl ether-containing herbicides. It is used for the synthesis of rufulvernown, fluminegrass ether, ethoxyfluorene, etc.

Last Update：2025-08-19 16:24:40

3,4-DCBTE - Safety

Open Data Verified Data
  • This product is toxic, and its vapor has a stimulating effect on the respiratory system. The liquid on the skin damage can cause pain. The maximum allowable concentration in air is 5mg/ms.
  • packaged with galvanized iron, 200kg net weight per barrel, stored in ventilated, sunscreen, moisture-proof place.
Last Update：2025-06-10 22:55:16

3,4-DCBTE - Reference Information

NIST chemical information Information provided by: webbook.nist.gov (external link)
EPA chemical information Information provided by: ofmpub.epa.gov (external link)
Uses 3, 4-dichlorotrifluoromethyl benzene is a key intermediate of fluorodiphenyl ether herbicides, which can be used to synthesize trifluorocarboxane Herbicides such as ether, fomesafen, and oxyfluoroxane can be used as an intermediate of the insecticide fipronil.
Pesticides, pharmaceutical intermediates. Used as an intermediate in the synthesis of diphenyl ether fluorinated herbicides. It is used to synthesize milk fluocaoling, fluoroxanthate ether, glycolfest, etc.
Used as pesticide, herbicide, pharmaceutical intermediate
production method 1. toluene method 2. raw material consumption quota for p-chlorotoluene method: 900kg/t for p-chlorotoluene (≥ 98%), 2500kg/t for chlorine and 500kg/t for hydrogen fluoride. 3.3, 4-dichlorotrichlorotrichloromethyl benzene fluorination method The product yield of this method is 98.4%.
the preparation method is to add 4-chlorotrifluoromethyl benzene and catalyst FeCl3 in the reaction kettle, feed chlorine gas at low temperature under stirring, track the chlorination depth by gas chromatography, wash, dry and distill the finished product after passing chlorine gas.
toxic substance data information provided by: pubchem.ncbi.nlm.nih.gov (external link)
Last Update：2024-04-09 21:32:05
3,4-DCBTE
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CAS: 328-84-7
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CAS: 328-84-7
Tel: 0513-66814854
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Product Name: 3,4-Dichlorobenzotrifluoride Request for quotation
CAS: 328-84-7
Tel: 0086-551-65418684
Email: sales@tnjchem.com
　　　　 info@tnjchem.com
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View History
3,4-DCBTE
溴化钙 二水
癸基甲醇
10276-09-2
2-(2-ethoxyethoxy)ethylesterkyselinyoctove
p-Xylene-2-magnesium Bromide
32395-58-7
1221902-03-9
高藜芦腈
酸性嫩黄2G
Raw Materials for 3,4-DCBTE
4-Chlorotoluene
Chlorine
Downstream Products for 3,4-DCBTE
Fomesafen
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