The Molecular formula of 3-Chlorophenoxyacetic acid (588-32-9):C₈H₇ClO₃
The Molecular Weight of 3-Chlorophenoxyacetic acid (588-32-9):186.59 
The Molecular Structure of 3-Chlorophenoxyacetic acid (588-32-9) is:
Density?:1.366 g/cm³  
Melting point:106-111 ^°C 
Boiling point:315.2 ^°C at 760 mmHg
Flash point:144.4 ^°C
Index of Refraction:1.558 
Molar Refractivity:44.02 cm³     
Molar Volume:136.5 cm³
Polarizability:17.45 10^-24cm³ 
Surface Tension:49.1 dyne/cm
Enthalpy of Vaporization:58.74 kJ/mol  
Vapour Pressure:0.000188 mmHg at 25^°C 
Appearance:off-white powder
IUPAC Name: 2-(3-Chlorophenoxy)acetic acid
Synonyms: (M-chlorophenoxy)-aceticaci ; Akos bbs-00007943 ; 3-Chlorophenoxyacetic acid ; M-chlorophenoxyacetic acid ; Rerechem al bo 0303 ; 3-Cpa(bsi,e-iso) ; 3-Chlorophenoxyacetic acid, 98+% ; (3-Chlorophenoxy)-aceticaci
 

RTECS#:CAS# 588-32-9: None listed
LD50/LC50:RTECS: Not available. 
Carcinogenicity: 3-Chlorophenoxyacetic acid - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.

Hazard Codes:Xn
Xn:Harmful
Risk Statements
R22:Harmful if swallowed.
Safety Statements
S22:Do not breathe dust .
S36/37:Wear suitable protective clothing and gloves .
RIDADR:2811
HazardClass:6.1
PackingGroup:III
Hazardous Substances Data:588-32-9(Hazardous Substances Data)
 

It should avoid incompatible materials such as strong Oxidizing agents and it should avoid dust generation .Its hazardous decomposition products is Hydrogen chloride , Carbon monoxide, Carbon dioxide .