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Sulfates and sulfur salts

Kieserite

Also known as Wathlingite

CAS 14567-64-7Formula H4MgO5S+2Molar mass 140.40 g/molEC 604-485-5
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Kieserite chemical structure, H4MgO5S+2, CAS 14567-64-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
14567-64-7
Formula
H4MgO5S+2
Molar mass
140.40 g/mol
EC number
604-485-5
HS code
253020
Category
Sulfates and sulfur salts

What is Kieserite?

Plain description, key identifiers and synonyms

Kieserite is a chemical substance with the molecular formula H4MgO5S+2 and a molar mass of 140.40 g/mol. Its CAS registry number is 14567-64-7. The IUPAC name is magnesium, sulfuric acid, hydrate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
magnesium, sulfuric acid, hydrate
CAS number
14567-64-7
EC number
604-485-5
Molecular formula
H4MgO5S+2
InChIKey
LFCFXZHKDRJMNS-UHFFFAOYSA-N
InChI
InChI=1S/Mg.H2O4S.H2O/c;1-5(2,3)4;/h;(H2,1,2,3,4);1H2/q+2;;
SMILES (canonical and isomeric)
O.OS(=O)(=O)O.[Mg+2]

Synonyms

  • Wathlingite

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
140.40 g/molcalc.
Exact mass
139.9619 Dacalc.
LogP (octanol/water)
-1.86calc.
Topological polar surface area
106.1 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
2calc.
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.

Kieserite suppliers

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

All 3 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

3 suppliers in 2 countries

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Kieserite 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.

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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

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 Kieserite is traded under.

HS 2530.20Exact HS code

Kieserite, epsomite (natural magnesium sulphates)

World exports in 2024
$116M
−17.3% vs 2023, imports $139M
2019 to 2024
Top exporters
  1. Germany91.8%
  2. China3.5%
  3. Belgium1.3%
Top importers
  1. Poland16.3%
  2. Malaysia12.7%
  3. Norway * partner reported11.4%

* Partner reported figures, a lower bound.

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

The HS code shown for Kieserite is indicative (it was matched by name in the HS nomenclature). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Kieserite?

Kieserite is a chemical substance with the molecular formula H4MgO5S+2 and a molar mass of 140.40 g/mol. Its CAS registry number is 14567-64-7. The IUPAC name is magnesium, sulfuric acid, hydrate.

What is the CAS number of Kieserite?

The CAS registry number of Kieserite is 14567-64-7.

What is the molecular formula and weight of Kieserite?

The molecular formula of Kieserite is H4MgO5S+2 and its molar mass is 140.40 g/mol.

What is Kieserite used for?

Known uses and roles of Kieserite include fertilizers and micronutrients in agriculture and crop protection.

Is Kieserite hazardous?

No GHS hazard classification for Kieserite 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 Kieserite?

Kieserite is usually classified under HS code 253020 (Kieserite, epsomite (natural magnesium sulphates)). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Kieserite?

CompoundList lists 3 suppliers of Kieserite in China and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Kieserite in India?

1 supplier in India list Kieserite on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Kieserite?

Suppliers quote Kieserite 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 Kieserite

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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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