N-Acetyl-cysteine

About This Item

Molecular Formula	C₅H₉NO₃S
CAS Number	616-91-1

FC-0993783

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Properties

Chemical Identifiers

IUPAC Name	(2R)-2-acetamido-3-sulfanylpropanoic acid
SMILES	CC(=O)NC(CS)C(=O)O
InChI Key	PWKSKIMOESPYIA-UHFFFAOYSA-N
InChI	InChI=1S/C5H9NO3S/c1-3(7)6-4(2-10)5(8)9/h4,10H,2H2,1H3,(H,6,7)(H,8,9)

Physical Properties

Boiling Point	407.7±40.0 °C at 760 mmHg
Melting Point	109-110
Flash Point	200.4±27.3 °C
Density	1.3±0.1 g/cm3

Safety Information

Hazard Class

Warning

Flash Point

200.4±27.3 °C

Please refer to the Safety Data Sheet (SDS) for complete handling, storage, and disposal instructions. Follow all applicable regulations when working with this chemical reagent.