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The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

For important updates on recent policy changes, please click here for more details.

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Key Documents

Safety Information

A1911

Sigma-Aldrich

AMPSO sodium salt

Synonym(s):

3-([1,1-Dimethyl-2-hydroxyethyl]amino)-2-hydroxypropanesulfonic acid

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1 EA
CN¥1,269.34

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1 EA
CN¥1,269.34

About This Item

Linear Formula:
C7H16NO5SNa
CAS Number:
Molecular Weight:
249.26
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.25

CN¥1,269.34


Please contact Customer Service for Availability

Request a Bulk Order

form

crystalline powder

Quality Level

useful pH range

8.3-9.7

pKa (25 °C)

9.0 (Free acid)

solubility

water: 0.33 g/mL, clear to slightly hazy, colorless

application(s)

diagnostic assay manufacturing

SMILES string

[Na+].CC(C)(CO)NCC(O)CS([O-])(=O)=O

InChI

1S/C7H17NO5S.Na/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);/q;+1/p-1

InChI key

UVGYCHPTWHWEPZ-UHFFFAOYSA-M

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1 of 4

This Item
A6659M8767T5395
AMPSO ≥99% (titration)

A6659

AMPSO

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

form

crystalline powder

form

crystalline

form

crystalline powder

form

powder or crystals

solubility

water: 0.33 g/mL, clear to slightly hazy, colorless

solubility

water: 0.333 g/mL, clear to slightly hazy, colorless

solubility

water: 0.5 g/mL, clear, colorless

solubility

water: 0.333 g/mL, clear to slightly hazy, colorless

useful pH range

8.3-9.7

useful pH range

8.3-9.7

useful pH range

6.2-7.6

useful pH range

7.0-8.2

pKa (25 °C)

9.0 (Free acid)

pKa (25 °C)

9.0

pKa (25 °C)

6.9

pKa (25 °C)

7.6

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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