320-72-9

Name 3,5-Dichlorosalicylic acid
CAS 320-72-9
EINECS(EC#) 206-281-8
Molecular Formula C7H4Cl2O3
MDL Number MFCD00002442
Molecular Weight 207.01
MOL File 320-72-9.mol
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Chemical Properties

Appearance white crystalline powder
Melting point  220-222 °C (lit.)
Boiling point  297.29°C (rough estimate)
density  1.5281 (rough estimate)
refractive index  1.4845 (estimate)
storage temp.  Inert atmosphere,Room Temperature
solubility  Solubility in methanol (almost transparency).
form  Solid
pka 1.99±0.14(Predicted)
color  White to Off-White
InChI 1S/C7H4Cl2O3/c8-3-1-4(7(11)12)6(10)5(9)2-3/h1-2,10H,(H,11,12)
InChIKey CNJGWCQEGROXEE-UHFFFAOYSA-N
SMILES OC(=O)c1cc(Cl)cc(Cl)c1O
CAS DataBase Reference 320-72-9(CAS DataBase Reference)
NIST Chemistry Reference Benzoic acid, 3,5-dichloro-2-hydroxy-(320-72-9)
EPA Substance Registry System 320-72-9(EPA Substance)

Safety Data

Hazard Codes  Xn,Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed.
Safety Statements 
S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
WGK Germany  3
RTECS  VO2450000
TSCA  Yes
HS Code  29182900
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
Safety Profile
Poison by intraperitoneal route. When heated to decomposition it emits toxic fumes of Cl-.
Hazardous Substances Data 320-72-9(Hazardous Substances Data)

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Material Safety Data Sheet(MSDS)

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