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7081-44-9

Name Cloxacillin sodium
CAS 7081-44-9
EINECS(EC#) 211-390-9
Molecular Formula C19H19ClN3NaO6S
MDL Number MFCD00150735
Molecular Weight 475.88
MOL File 7081-44-9.mol

Chemical Properties

Appearance White or almost white, hygroscopic, crystalline powder.
Melting point  170℃
Boiling point  689℃
Fp  >110°(230°F)
storage temp.  2-8°C
solubility  H2O: soluble50mg/mL
form  solid
color  White to Orange to Green
Water Solubility  Soluble in water
Merck  13,2444
BRN  5403885
Contact allergens
Cloxacillin is a semisynthetic penicillin close to oxacillin. It induced contact dermatitis in a pharmaceutical factory worker with positive reactions to ampicillin, but not to penicillin. In cutaneous drug reactions such as acute generalized exanthematous pustulosis due to amoxicillin, cross-reactivity is frequent to cloxacillin (personal observations).
CAS DataBase Reference 7081-44-9(CAS DataBase Reference)

Safety Data

Hazard Codes  Xn
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R42/43:May cause sensitization by inhalation and skin contact .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
WGK Germany  2
RTECS  XH8920000
HS Code  29411099
Safety Profile
Moderately toxic by intraperitoneal, intramuscular, subcutaneous, and intravenous routes. Mildly toxic by ingestion. When heated to decomposition it emits very toxic fumes of Cl-, NOx, Na2O, and SOx.

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