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Sulfates and sulfur salts

NaOS

CAS 140650-84-6Formula H3NaOSMolar mass 74.08 g/mol
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NaOS chemical structure, H3NaOS, CAS 140650-84-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
140650-84-6
Formula
H3NaOS
Molar mass
74.08 g/mol
HS code
283010
Category
Sulfates and sulfur salts

What is NaOS?

Plain description, key identifiers and synonyms

NaOS is a chemical substance with the molecular formula H3NaOS and a molar mass of 74.08 g/mol. Its CAS registry number is 140650-84-6. The IUPAC name is sodium, sulfane, hydroxide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sodium, sulfane, hydroxide
CAS number
140650-84-6
Molecular formula
H3NaOS
InChIKey
ZNKXTIAQRUWLRL-UHFFFAOYSA-M
InChI
InChI=1S/Na.H2O.H2S/h;2*1H2/q+1;;/p-1
SMILES (canonical and isomeric)
[OH-].[Na+].S

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
74.08 g/molcalc.
Exact mass
73.9802 Dacalc.
LogP (octanol/water)
-3.06calc.
Topological polar surface area
30 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.

Calculated for screening. Confirm critical figures with the supplier.

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.

NaOS suppliers

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NaOS price

Indicative price range per kg from live supplier offers

No published prices right now

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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 NaOS is traded under.

HS 2830.10Indicative HS code

Sodium sulphides

World exports in 2024
$237M
−12.7% vs 2023, imports $277M
2019 to 2024
Top exporters
  1. China69.0%
  2. United States20.2%
  3. Germany5.0%
Top importers
  1. Peru18.6%
  2. Chile13.6%
  3. DR Congo * partner reported12.8%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is NaOS?

NaOS is a chemical substance with the molecular formula H3NaOS and a molar mass of 74.08 g/mol. Its CAS registry number is 140650-84-6. The IUPAC name is sodium, sulfane, hydroxide.

What is the CAS number of NaOS?

The CAS registry number of NaOS is 140650-84-6.

What is the molecular formula and weight of NaOS?

The molecular formula of NaOS is H3NaOS and its molar mass is 74.08 g/mol.

Is NaOS hazardous?

No GHS hazard classification for NaOS 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 NaOS?

NaOS is usually classified under HS code 283010 (Sodium sulphides). This is indicative, confirm it with your customs broker before shipping.

Where can I buy NaOS?

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What is the price of NaOS?

Suppliers quote NaOS 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 NaOS

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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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