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Aliphatic and alicyclic building blocks

Ampso

Also known as 3-((1,1-Dimethyl-2-hydroxyethyl)amino)-2-hydroxypropanesulfonic acid, 1-Propanesulfonic acid, 2-hydroxy-3-((2-hydroxy-1,1-dimethylethyl)amino)-, 1-Propanesulfonic acid, 2-hydroxy-3-[(2-hydroxy-1,1-dimethylethyl)amino]-

CAS 68399-79-1Formula C7H17NO5SMolar mass 227.28 g/molEC 269-991-7
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant 4 suppliers listed
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Ampso chemical structure, C7H17NO5S, CAS 68399-79-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
68399-79-1
Formula
C7H17NO5S
Molar mass
227.28 g/mol
EC number
269-991-7
HS code
292219
Category
Aliphatic and alicyclic building blocks

What is Ampso?

Plain description, key identifiers and synonyms

Ampso is a chemical substance with the molecular formula C7H17NO5S and a molar mass of 227.28 g/mol. Its CAS registry number is 68399-79-1. The IUPAC name is 2-hydroxy-3-[(1-hydroxy-2-methylpropan-2-yl)amino]propane-1-sulfonic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-hydroxy-3-[(1-hydroxy-2-methylpropan-2-yl)amino]propane-1-sulfonic acid
CAS number
68399-79-1 CAS number cross-checked
EC number
269-991-7
Molecular formula
C7H17NO5S
MDL number
MFCD00041777
InChIKey
ACERFIHBIWMFOR-UHFFFAOYSA-N
InChI
InChI=1S/C7H17NO5S/c1-7(2,5-9)8-3-6(10)4-14(11,12)13/h6,8-10H,3-5H2,1-2H3,(H,11,12,13)
SMILES (canonical and isomeric)
CC(C)(CO)NCC(CS(=O)(=O)O)O

Synonyms

  • 3-((1,1-Dimethyl-2-hydroxyethyl)amino)-2-hydroxypropanesulfonic acid
  • 1-Propanesulfonic acid, 2-hydroxy-3-((2-hydroxy-1,1-dimethylethyl)amino)-
  • 1-Propanesulfonic acid, 2-hydroxy-3-[(2-hydroxy-1,1-dimethylethyl)amino]-
  • 3-[(1,1-Dimethyl-2-hydroxyethyl)amino]-2-hydroxypropanesulfonic acid
  • 2-Hydroxy-3-((1-hydroxy-2-methylpropan-2-yl)amino)propane-1-sulfonic acid
  • 2-hydroxy-3-[(1-hydroxy-2-methylpropan-2-yl)amino]propane-1-sulfonic acid
  • 2-hydroxy-3-[(2-hydroxy-1,1-dimethylethyl)amino]-1-propanesulfonic acid
  • 2-hydroxy-3-[(2-hydroxy-1,1-dimethylethyl)amino]propanesulphonic acid
  • 3-(N-(1,1-Dimethylhydroxyethyl)amino)-2-hydroxy-propanesulfonic acid
  • 2-Hydroxy-3-((2-hydroxy-1,1-dimethylethyl)amino)propanesulphonic acid
  • 2-hydroxy-3-[(2-hydroxy-tert-butyl)amino]propanesulfonic acid
  • 2-Hydroxy-3-((2-hydroxy-1,1-dimethylethyl)amino)-1-propanesulfonic acid
  • N-(1,1-Dimethyl-2-hydroxyethyl)-3-amino-2-hydroxypropanesulfonic acid
  • Ampso 0.2 M buffer solution
  • AMPSO, >=99% (titration)
  • AMPSO, BioXtra, >=99.0% (T)
  • 2-Hydroxy-3-[(1-hydroxy-2-methyl-2-propanyl)amino]-1-propanesulfonic acid
  • 2-hydroxy-3-[(2-hydroxy-1,1-dimethyl-ethyl)amino]propane-1-sulfonic acid
  • 3-[(1,1-Dimethyl-2-hydroxy- ethyl)amino]-2-hydroxy- propanesulfonic acid
  • n-(1,1-dimethyl-2-hydroxyethyl)-3-amino-2-hydroxypropanesulphonic acid
  • 3-[(1.1-Dimethyl-2-hydroxyethyl)amino]-2-hydroxypropane sulfonic acid (AMPSO)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
227.28 g/molcalc.
Exact mass
227.0827 Dacalc.
LogP (octanol/water)
-1.4calc.
Topological polar surface area
106.9 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
6calc.
Heavy atoms
14calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H301Toxic if swallowed.
  • H311Toxic in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
Precautionary statements (23)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Ampso suppliers

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All 4 suppliers
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Where suppliers are based

4 suppliers in 1 country

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Ampso price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Ampso is traded under.

HS 2922.19Indicative HS code

Amino-alcohols, other than those containing more than one kind of oxygen function, their…

World exports in 2024
$2.2B
−4.7% vs 2023, imports $2.27B
2019 to 2024
Top exporters
  1. China21.7%
  2. Germany17.3%
  3. United States15.6%
Top importers
  1. India * partner reported11.0%
  2. United States9.0%
  3. Germany7.2%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Ampso is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Ampso, based on the data on this page

What is Ampso?

Ampso is a chemical substance with the molecular formula C7H17NO5S and a molar mass of 227.28 g/mol. Its CAS registry number is 68399-79-1. The IUPAC name is 2-hydroxy-3-[(1-hydroxy-2-methylpropan-2-yl)amino]propane-1-sulfonic acid.

What is the CAS number of Ampso?

The CAS registry number of Ampso is 68399-79-1.

What is the molecular formula and weight of Ampso?

The molecular formula of Ampso is C7H17NO5S and its molar mass is 227.28 g/mol.

What is Ampso used for?

Known uses and roles of Ampso include building blocks in research and laboratory.

Is Ampso hazardous?

Ampso carries the GHS signal word "Danger". Main hazards: toxic if swallowed, toxic in contact with skin, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Ampso?

Ampso is usually classified under HS code 292219 (Amino-alcohols, other than those containing more than one kind of oxygen function, their…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ampso?

CompoundList lists 4 suppliers of Ampso in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Ampso?

Suppliers quote Ampso on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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