AMPSO

Synonym(s):N-(1,1-Dimethyl-2-hydroxyethyl)-3-amino-2-hydroxypropanesulfonic acid

white crystalline powder

It is used as an alkaline transfer buffer used for the transfer of strongly basic proteins from gels to nitrocellulose.

AMPSO is an alkaline transfer buffer used for the transfer of strongly basic proteins from gels to nitrocellulose

Melting point:	~222 °C
Density	1.361±0.06 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
solubility	H₂O: 1 M at 20 °C, clear, colorless
form	Crystals
pka	9.0(at 25℃) 9.1(at 37℃)
PH Range	8.3 - 9.7
Water Solubility	Soluble in water (333.33 mg/ml, clear to slightly hazy colorless solution).
BRN	5929916
CAS DataBase Reference	68399-79-1(CAS DataBase Reference)
EPA Substance Registry System	1-Propanesulfonic acid, 2-hydroxy-3-[(2-hydroxy-1,1-dimethylethyl)amino]- (68399-79-1)

Signal word	Danger
Pictogram(s)	Skull and Crossbones Acute Toxicity GHS06
GHS Hazard Statements	H301:Acute toxicity,oral H311:Acute toxicity,dermal H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P311:Call a POISON CENTER or doctor/physician. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.