Skip to Content
Merck
CN

Key Documents

View All Documentation

P64804

3-Pyridinesulfonic acid

98%

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C5H5NO3S
CAS Number:
636-73-7
Molecular Weight:
159.16
EC Number:
211-265-9
UNSPSC Code:
12352100
PubChem Substance ID:
24898769
Beilstein/REAXYS Number:
120822
MDL number:
MFCD00006381
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

assay

98%

mp

>300 °C (lit.)

SMILES string

OS(=O)(=O)c1cccnc1

InChI

1S/C5H5NO3S/c7-10(8,9)5-2-1-3-6-4-5/h1-4H,(H,7,8,9)

InChI key

DVECLMOWYVDJRM-UHFFFAOYSA-N

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Codes

H314

Hazard Classifications

Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library