CompoundList

Carnallite

Also known as Karnallit, magnesium, potassium, trichloride, hexahydrate, Magnesium potassium chloride--water (1/1/3/6)

CAS 1318-27-0Formula H12Cl3KMgO6Molar mass 277.85 g/molEC 603-523-8
Carnallite chemical structure, H12Cl3KMgO6, CAS 1318-27-0
2D chemical structure

Key facts

What buyers check first

CAS number
1318-27-0
Formula
H12Cl3KMgO6
Molar mass
277.85 g/mol
EC number
603-523-8
HS code
284290
Category
Chlorides and other halides

What is Carnallite?

Plain description, key identifiers and synonyms

Carnallite is a chemical substance with the molecular formula H12Cl3KMgO6 and a molar mass of 277.85 g/mol. Its CAS registry number is 1318-27-0. The IUPAC name is magnesium, potassium, trichloride, hexahydrate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
magnesium, potassium, trichloride, hexahydrate
CAS number
1318-27-0 CAS number cross-checked
EC numbers
603-523-8, 928-239-4
Molecular formula
H12Cl3KMgO6
INCI name
CARNALLITE
InChIKey
PALNZFJYSCMLBK-UHFFFAOYSA-K
InChI
InChI=1S/3ClH.K.Mg.6H2O/h3*1H;;;6*1H2/q;;;+1;+2;;;;;;/p-3
SMILES (canonical and isomeric)
O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-].[Cl-].[K+]

Synonyms

  • Karnallit
  • magnesium, potassium, trichloride, hexahydrate
  • Magnesium potassium chloride--water (1/1/3/6)

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
277.85 g/molcalc.
Exact mass
275.9187 Dacalc.
LogP (octanol/water)
-17.31calc.
Topological polar surface area
189 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
11calc.

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.

Carnallite suppliers

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Carnallite 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

Cosmetic ingredient, INCI name CARNALLITE(deodorant, exfoliating, skin conditioning - humectant, skin conditioning - miscellaneous)

Cosmetic functions

  • Deodorant
  • Exfoliating
  • Skin conditioning - humectant
  • Skin conditioning - miscellaneous

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2842.90Indicative HS code

Salts of inorganic acids or peroxoacids, other than double or complex silicates, including aluminosilicates…

World exports in 2024
$2.49B
−46.0% vs 2023, imports $2.84B
2019 to 2024
Top exporters
  1. China82.2%
  2. Germany4.7%
  3. Hong Kong4.0%
Top importers
  1. China77.4%
  2. Indonesia4.7%
  3. Vietnam * partner reported3.5%

* Partner reported figures, a lower bound.

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

The HS code shown for Carnallite is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Carnallite?

Carnallite is a chemical substance with the molecular formula H12Cl3KMgO6 and a molar mass of 277.85 g/mol. Its CAS registry number is 1318-27-0. The IUPAC name is magnesium, potassium, trichloride, hexahydrate.

What is the CAS number of Carnallite?

The CAS registry number of Carnallite is 1318-27-0.

What is the molecular formula and weight of Carnallite?

The molecular formula of Carnallite is H12Cl3KMgO6 and its molar mass is 277.85 g/mol.

What is Carnallite used for?

Known uses and roles of Carnallite include humectants in cosmetics and personal care, skin conditioning agents in cosmetics and personal care, fertilizers and micronutrients in agriculture and crop protection, deodorant, exfoliating and 2 more.

Is Carnallite hazardous?

No GHS hazard classification for Carnallite 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 Carnallite?

Carnallite is usually classified under HS code 284290 (V. SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Carnallite?

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

What is the price of Carnallite?

Suppliers quote Carnallite 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 Carnallite

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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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