551-16-6

Name 6-Aminopenicillanic acid
CAS 551-16-6
EINECS(EC#) 208-993-4
Molecular Formula C8H12N2O3S
MDL Number MFCD00005176
Molecular Weight 216.26
MOL File 551-16-6.mol

Chemical Properties

Appearance WHITE TO CREAM FINE POWDER
Melting point  198-200 °C (dec.)(lit.)
alpha  276.3 º (c=1.2, 0.1N HCl 22 ºC)
Boiling point  460.2±45.0 °C(Predicted)
density  1.3418 (rough estimate)
refractive index  1.6300 (estimate)
storage temp.  2-8°C
solubility  2.46g/l
form  Fine Powder
pka pKa 2.3 (Uncertain)
color  White to cream
PH 3.4 (100g/l, H2O)
Optical Rotation [α]22/D +276.3°, c = 1.2 in 0.1 M HCl
Water Solubility  Soluble in water and hydrochoric acid.
Merck  14,458
BRN  15080
Stability: Light sensitive
InChI 1S/C8H12N2O3S/c1-8(2)4(7(12)13)10-5(11)3(9)6(10)14-8/h3-4,6H,9H2,1-2H3,(H,12,13)/t3-,4+,6-/m1/s1
InChIKey NGHVIOIJCVXTGV-SDKNWNMFSA-N
SMILES CC1(C)S[C@@H]2[C@H](N)C(=O)N2[C@H]1C(O)=O
LogP -3.87 at 22.5℃
CAS DataBase Reference 551-16-6(CAS DataBase Reference)
EPA Substance Registry System 551-16-6(EPA Substance)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H319
Precautionary statements  P264-P280-P305+P351+P338-P337+P313
Hazard Codes  Xn
Risk Statements 
R42/43:May cause sensitization by inhalation and skin contact .
Safety Statements 
S22:Do not breathe dust .
S36/37:Wear suitable protective clothing and gloves .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S37:Wear suitable gloves .
S24:Avoid contact with skin .
S36:Wear suitable protective clothing .
WGK Germany  2
RTECS  XH8225000
F  10
TSCA  Yes
REACH Registrations Active
HS Code  29349990
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2

Hazard Information

Material Safety Data Sheet(MSDS)

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