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52-66-4

Name DL-PENICILLAMINE
CAS 52-66-4
EINECS(EC#) 200-147-2
Molecular Formula C5H11NO2S
MDL Number MFCD00004856
Molecular Weight 149.21
MOL File 52-66-4.mol
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Chemical Properties

Appearance white to almost white crystalline powder
Melting point  204-208 °C(lit.)
Boiling point  251.8±35.0℃ (760 Torr)
density  1.204±0.06 g/cm3 (20 ºC 760 Torr)
refractive index  1.5216 (estimate)
Fp  106.1±25.9℃
storage temp.  2-8°C
solubility  Methanol (Slightly), Water (Soluble)
form  solid
pka pK: 1.8 (carboxyl); 7.9 (a-amino); 10.5 (b-thiol)
Water Solubility  Soluble in ethanol, hot water and sodium hydroxide.
Merck  14,7088
BRN  2039817
CAS DataBase Reference 52-66-4(CAS DataBase Reference)

Safety Data

Hazard Codes  Xn
Risk Statements 
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R40:Limited evidence of a carcinogenic effect.
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 .
S22:Do not breathe dust .
WGK Germany  3
RTECS  YV9445000
HS Code  29309099
Toxicity
LD50 orally in rats: 365 mg/kg (Jaffe)

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