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Construction chemicals

Calcium formate

Also known as Calcium diformate, Calcoform, Formic acid, calcium salt

CAS 544-17-2Formula C2H2CaO4Molar mass 130.11 g/molEC 208-863-7
GHS signal word: Danger. Pictograms: Corrosive 180 suppliers listed
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Calcium formate chemical structure, C2H2CaO4, CAS 544-17-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Orthorhombic crystals or crystalline powder
Melting point
>300
Density
2.015
Solubility
In water, 170 g/l @ 20 °C
HS code
291512
Category
Construction chemicals
Illustrative photo, closed white HDPE bottles and amber jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Calcium formate?

Plain description, key identifiers and synonyms

Calcium formate is an organic molecular entity.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
calcium diformate
CAS number
544-17-2 CAS number cross-checked
EC number
208-863-7
Molecular formula
C2H2CaO4
UNII
NP3JD65NPY
MDL number
MFCD00036108
InChIKey
CBOCVOKPQGJKKJ-UHFFFAOYSA-L
InChI
InChI=1S/2CH2O2.Ca/c2*2-1-3;/h2*1H,(H,2,3);/q;;+2/p-2
SMILES (canonical and isomeric)
C(=O)[O-].C(=O)[O-].[Ca+2]

Synonyms

  • Calcium diformate
  • Calcoform
  • Formic acid, calcium salt
  • Mravencan vapenaty
  • Calcium formate (Ca(HCO2)2)
  • NDI 658
  • calcium, diformate
  • Formic acid, calcium salt (2:1)
  • Calciumformate
  • Formic acid calcium salt
  • C2H2CaO4

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

Appearance
Orthorhombic crystals or crystalline powderexp.
Odour
Slight acetic acid-like odorexp.
Melting point
>300exp.
Density
2.015exp.
Autoignition temperature
475 °Cexp.
Solubility
In water, 170 g/l @ 20 °Cexp.

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
130.11 g/molcalc.
Exact mass
129.9579 Dacalc.
LogP (octanol/water)
-3.65calc.
Topological polar surface area
80.26 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive

Hazard statements

  • H318Causes serious eye damage.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.

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

Full safety data and first aid

Calcium formate suppliers

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

All 180 suppliers
30 of 30 offers

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

180 suppliers in 35 countries

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Calcium formate 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

Preservative for silage, food, binder for fine ore briquets, in drilling fluids and lubricants.

In chrome tanning.

Flue gas scrubbing.

Concrete settings accelerators.

Industrial uses: Adhesion/cohesion promoter, Flame retardant, Thickening agent, Sealant (barrier), Surfactant (surface active agent), Processing aids not otherwise specified, Chemical reaction regulator.

Consumer uses: Processing aids not otherwise specified, Other, Soil amendments (fertilizers), Thickening agent, Sealant (barrier).

Use classes: Safer Chemical Classes.

Functional uses

  • Binder
  • Catalyst
  • Chemical reaction regulator
  • Processing aids not otherwise specified
  • Stabilizing agent

How it is made

From Ca(OH)2 and CO @ high temp and pressure: Enderli, US patents 1,920,851, 1,995,607 (1933, 1935 to Rudulf Koepp), Erasmus, Hamby, US patent 2,913,318 (1959 to Union Carbide), from CaCl2 and formic acid: Funk, Romer, Z Anorg Allgem Chem 239, 288 (1938).

Calcium hydroxide and synthesis gas (base-catalyzed carbonylation), acetaldehyde and formaldehyde (aldol condensation/ Cannizzaro reaction, by product of pentaerthyritol production)

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • Safer Choice ingredient list (USA)
  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2915.12Indicative HS code

Salts of formic acid

World exports in 2024
$254M
−5.4% vs 2023, imports $286M
2019 to 2024
Top exporters
  1. China53.9%
  2. Germany17.7%
  3. Netherlands5.1%
Top importers
  1. United States11.5%
  2. Netherlands7.8%
  3. Brazil6.7%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Calcium formate, based on the data on this page

What is Calcium formate?

Calcium formate is an organic molecular entity.

What is the CAS number of Calcium formate?

The CAS registry number of Calcium formate is 544-17-2.

What is the molecular formula and weight of Calcium formate?

The molecular formula of Calcium formate is C2H2CaO4 and its molar mass is 130.11 g/mol.

What is Calcium formate used for?

Preservative for silage, food, binder for fine ore briquets, in drilling fluids and lubricants. In chrome tanning. Flue gas scrubbing. Concrete settings accelerators.

Is Calcium formate hazardous?

Calcium formate carries the GHS signal word "Danger". Main hazards: causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Calcium formate?

Calcium formate is usually classified under HS code 291512 (Salts of formic acid). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Calcium formate?

CompoundList lists 180 suppliers of Calcium formate in China, United States, India, Germany and 31 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Calcium formate in India?

14 suppliers in India list Calcium formate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Calcium formate?

Suppliers quote Calcium formate 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 Calcium formate

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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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