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3,4-Dichlorophenoxyacetic acid

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Name

3,4-Dichlorophenoxyacetic acid

EINECS N/A
CAS No. 588-22-7 Density 1.488g/cm3
PSA 46.53000 LogP 2.45680
Solubility 457.6mg/L(25 oC) Melting Point 138-140 °C(lit.)

Formula C8H6 Cl2 O3 Boiling Point 351.4°Cat760mmHg
Molecular Weight 221.04 Flash Point 166.3°C
Transport Information N/A Appearance N/A
Safety Experimental teratogenic effects. When heated to decomposition it emits toxic fumes of Cl. Risk Codes R36/37/38; R36; R20/21/22; R11
Molecular Structure Molecular Structure of 588-22-7 (3,4-D) Hazard Symbols Xi,Xn,F
Synonyms

Aceticacid, (3,4-dichlorophenoxy)- (8CI,9CI); (3,4-Dichlorophenoxy)acetic acid;3,4-D; 3,4-DA; NSC 39017; NSC 525057

Article Data 8

3,4-Dichlorophenoxyacetic acid Chemical Properties

IUPAC Name:  2-(3,4-Dichlorophenoxy)acetic acid 
Synonyms of 3,4-Dichlorophenoxyacetic acid (CAS NO.588-22-7) : 3,4-DA ; Acetic acid, 2-(3,4-dichlorophenoxy)- ; (3,4-Dichlorophenoxy)acetic acid  ; (3,4-Dichloro-phenoxy)-acetic acid  ; 2-(3,4-Dichlorophenoxy)Acetic Acid
Product Categories: C8;Carbonyl Compounds;Carboxylic Acids
CAS NO: 588-22-7
Molecular Formula :C8H6Cl2O3
Molecular Weight  :221.0374    
Molecular Structure :
EINECS: 209-612-4
Surface Tension: 51.2 dyne/cm 
Density: 1.488 g/cm3 
Flash Point: 166.3 °C 
Enthalpy of Vaporization: 62.9 kJ/mol 
Boiling Point: 351.4 °C at 760 mmHg 
Vapour Pressure: 1.53E-05 mmHg at 25°C 
Melting point:  138-140 °C(lit.)
Storage temp:  APPROX 4°C  

3,4-Dichlorophenoxyacetic acid Safety Profile

Experimental teratogenic effects. When heated to decomposition it emits toxic fumes of Cl.
Hazard Codes IrritantXi,Xn,FlammableF
Risk Statements 36/37/38-20/21/22-11
R11: 3,4-Dichlorophenoxyacetic acid (CAS NO.588-22-7) is highly flammable. 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38: 3,4-Dichlorophenoxyacetic acid (CAS NO.588-22-7) is irritating to eyes, respiratory system and skin.
Safety Statements 26-37/39-36-16
S16:Keep away from sources of ignition. 
S36:Wear suitable protective clothing. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection.
RIDADR 2811
WGK Germany 3
RTECS AG6830000
HazardClass 6.1(b)
PackingGroup III

3,4-Dichlorophenoxyacetic acid Specification

Category: Pesticides
Flammable hazardous characteristics: burning of toxic chlorine gas
Storage features: Treasury ventilated, low-temperature, drying; separate from raw materials and food in transportation.
Fire-extinguishing agent: dry powder, foam, sand.

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