CompoundList
Sign in
Hydrotropes and solubilizers

Nelex

Also known as formaldehyde, 2-hydroxy-4-methylbenzenesulfonic acid, Policresulen(50% Aqueous Solution), formaldehyde, 2-hydroxy-4-methyl-benzenesulfonic acid

CAS 62929-01-5Formula C8H10O5SMolar mass 218.23 g/mol
Get quotes Safety data
Nelex chemical structure, C8H10O5S, CAS 62929-01-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
62929-01-5
Formula
C8H10O5S
Molar mass
218.23 g/mol
HS code
290899
Category
Hydrotropes and solubilizers

What is Nelex?

Plain description, key identifiers and synonyms

Nelex is a chemical substance with the molecular formula C8H10O5S and a molar mass of 218.23 g/mol. Its CAS registry number is 62929-01-5. The IUPAC name is formaldehyde, 2-hydroxy-4-methylbenzenesulfonic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
formaldehyde, 2-hydroxy-4-methylbenzenesulfonic acid
CAS number
62929-01-5 CAS number cross-checked
Molecular formula
C8H10O5S
MDL number
MFCD00869035
InChIKey
VEJWJJHJBSJZGF-UHFFFAOYSA-N
InChI
InChI=1S/C7H8O4S.CH2O/c1-5-2-3-7(6(8)4-5)12(9,10)11;1-2/h2-4,8H,1H3,(H,9,10,11);1H2
SMILES (canonical and isomeric)
CC1=CC(=C(C=C1)S(=O)(=O)O)O.C=O

Synonyms

  • formaldehyde, 2-hydroxy-4-methylbenzenesulfonic acid
  • Policresulen(50% Aqueous Solution)
  • formaldehyde, 2-hydroxy-4-methyl-benzenesulfonic acid
  • 2-Hydroxy-4-methylbenzene-1-sulfonic acid--formaldehyde (1/1)

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
218.23 g/molcalc.
Exact mass
218.0249 Dacalc.
LogP (octanol/water)
0.76calc.
Topological polar surface area
91.67 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
14calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.13calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Nelex suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Nelex can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Nelex price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2908.99Indicative HS code

Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or…

World exports in 2024
$77.7M
+4.6% vs 2023, imports $83.7M
2019 to 2024
Top exporters
  1. China32.2%
  2. India * partner reported22.2%
  3. Spain8.5%
Top importers
  1. United States13.9%
  2. Spain10.6%
  3. Turkey8.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Nelex?

Nelex is a chemical substance with the molecular formula C8H10O5S and a molar mass of 218.23 g/mol. Its CAS registry number is 62929-01-5. The IUPAC name is formaldehyde, 2-hydroxy-4-methylbenzenesulfonic acid.

What is the CAS number of Nelex?

The CAS registry number of Nelex is 62929-01-5.

What is the molecular formula and weight of Nelex?

The molecular formula of Nelex is C8H10O5S and its molar mass is 218.23 g/mol.

Is Nelex hazardous?

No GHS hazard classification for Nelex is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Nelex?

Nelex is usually classified under HS code 290899 (Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Nelex?

Post a free request on CompoundList and suppliers of Nelex will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Nelex?

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

Guides for buyers

Practical guides that help when you source, ship or handle Nelex

Get quotes for Nelex

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Nelex
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Nelex with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/nelex-62929-01-5" title="Nelex structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Hydrotropes and solubilizers or HS code 290899

Price on request
Free quotes, contact stays private
Get quotes