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95-25-0

Name Chlorzoxazone
CAS 95-25-0
EINECS(EC#) 202-403-9
Molecular Formula C7H4ClNO2
MDL Number MFCD00005717
Molecular Weight 169.57
MOL File 95-25-0.mol

Chemical Properties

Appearance White to Off-White Solid
Melting point  191-192 °C (lit.)
density  1.3771 (rough estimate)
refractive index  1.5557 (estimate)
storage temp.  room temp
solubility  DMSO: soluble50mg/mL, clear
form  Powder
pka pKa 8.3 (Uncertain)
color  white to off-white
Water Solubility  0.1 g/100 mL
Usage Muscle relaxant (skeletal)
Merck  14,2194
LogP 1.816 (est)
CAS DataBase Reference 95-25-0(CAS DataBase Reference)
NIST Chemistry Reference Chlorzoxazone(95-25-0)
EPA Substance Registry System 95-25-0(EPA Substance)

Safety Data

Hazard Codes  Xn,T,Xi
Risk Statements 
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S24/25:Avoid contact with skin and eyes .
S37/39:Wear suitable gloves and eye/face protection .
WGK Germany  3
RTECS  DM5250000
Hazard Note  Toxic/Irritant
TSCA  Yes
HazardClass  IRRITANT
HS Code  29349990
Toxicity
LD50 in mice (mg/kg): 3650 orally, 380 i.p. (suspensions); 440 orally, 183 i.p. (solns of Na salt) (Hofrichter)

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