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2,4,5-Trichlorophenoxyacetic acid

2,4,5-Trichlorophenoxyacetic acid
2,4,5-Trichlorophenoxyacetic acid
Chemical Name:
2,4,5-Trichlorophenoxyacetic acid
Molecular Formula:
Formula Weight:
MOL File:

2,4,5-Trichlorophenoxyacetic acid Properties

Melting point:
154-158 °C(lit.)
Boiling point:
361.82°C (rough estimate)
1.6048 (rough estimate)
refractive index 
1.4700 (estimate)
Flash point:
2 °C
storage temp. 
off-white to yellow
Stable. Incompatible with strong bases, strong oxidizing agents, alkali metals, amines, alcohols. Reacts with many common metals.
CAS DataBase Reference
93-76-5(CAS DataBase Reference)
NIST Chemistry Reference
Acetic acid, 2,4,5-trichlorophenoxy-(93-76-5)
EPA Substance Registry System
Acetic acid, (2,4,5-trichlorophenoxy)-(93-76-5)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn,N,F
Risk Statements  22-36/37/38-50/53-36-20/21/22-11
Safety Statements  24-60-61-36/37-26-16
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  AJ8400000
HazardClass  6.1(b)
PackingGroup  III
Hazardous Substances Data 93-76-5(Hazardous Substances Data)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P501 Dispose of contents/container to..…

2,4,5-Trichlorophenoxyacetic acid price More Price(3)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 45667 2,4,5-T PESTANAL 93-76-5 250mg $20.3 2017-11-08 Buy
Sigma-Aldrich 46367 2,4,5-T solution 100μg/mL in acetonitrile, PESTANAL 93-76-5 2ml $58.6 2017-11-08 Buy
Sigma-Aldrich T5785 2,4,5-Trichlorophenoxyacetic acid plant cell culture tested, BioReagent, ≥95%, crystalline 93-76-5 25g $82.2 2017-11-08 Buy

2,4,5-Trichlorophenoxyacetic acid Chemical Properties,Uses,Production

Chemical Properties

white to light tan odourless solid


It is suitable for plant cell culture tested. Post-emergence herbicide.


ChEBI: A chlorophenoxyacetic acid that is phenoxyacetic acid in which the ring hydrogens at postions 2, 4 and 5 are substituted by chlorines.

General Description

Light tan solid (melting point 153°C). Insoluble in water. Contact may irritate the skin.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

2,4,5-Trichlorophenoxyacetic acid is a weak acid. Reacts with organic and inorganic bases to form water-soluble salts and with alcohols to form esters. Incompatible with strong oxidizing agents and strong bases. Can corrode metals, especially if moist. May harm painted surfaces .

Health Hazard

Overexposure to dust by inhalation or ingestion may cause fatigue, nausea, vomiting, lowered blood pressure, convulsions, coma. Dust may irritate eyes and skin.

Fire Hazard

Special Hazards of Combustion Products: Toxic hydrogen chloride and phosgene gases may be formed.

Purification Methods

Crystallise this herbicide from *benzene. [Beilstein 6 III 721.] (CANCER SUSPECT)

2,4,5-Trichlorophenoxyacetic acid Preparation Products And Raw materials

Raw materials

Preparation Products

2,4,5-Trichlorophenoxyacetic acid Suppliers

Global( 64)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
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SiChuang NanBu Honesty Technology Co., Ltd. 0838-5675166
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J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
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Chemsky (shanghai) International Co.,Ltd 021-50135380 China 15709 60
Syntechem Co.,Ltd QQ 956912955,421151915
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Spectrum Chemical Manufacturing Corp. 021-67601398,18616765336,QQ:3475911745
021-57711696 China 9821 60
Shanghai LiuShi Pharmaceutical Technology Co., Ltd. 021-60135539
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Chengdu Ai Keda Chemical Technology Co., Ltd. 4008-755-333 ; 028-86676798 ; 028-86757656
028-86757656 China 9884 55
Shanghai Aladdin Bio-Chem Technology Co.,LTD 021-20337333/400-620-6333
021-50323701 China 25126 65

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