6-Aminopenicillanic acid cas no:551-16-6
Synonyms: 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-amino-3,3-dimethyl-7-oxo-, [2S-(2alpha,5alpha,6beta)]-; 6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid; 6-APA; aminopenicillanic acid;
Name6-Aminopenicillanic acid
CAS551-16-6
Synonyms4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-amino-3,3-dimethyl-7-oxo-, [2S-(2alpha,5alpha,6beta)]-; 6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid; 6-APA; aminopenicillanic acid;
EINECS(EC#)208-993-4
Molecular FormulaC8H12N2O3S
Molecular Weight216.26
Appearancewhite to off white free flowing crystalline powder
alpha276.3 º (C=1.2, 0.1N HCL 22 ºC)
refractive index1.656
storage temp2-8°C
Hazard Xn:Harmful;
Risk R42/43
Safety
Hazard Codes: 
Xn
Risk Statements: 42/43
R42/43: May cause sensitization by inhalation and skin contact.
Safety Statements: 22-36/37-45-24
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 the label whenever possible.)
S24: Avoid contact with skin.
WGK Germany: 2
RTECS: XH8225000
F: 10
HS Code: 29349990
Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits very toxic fumes of NOx and SOx.
HS Code 29349990
mouse LD50 intraperitoneal > 1gm/kg (1000mg/kg) National Technical Information Service. Vol. AD691-490,
