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Humectants

Calcium pidolate

Also known as Efical, Calcidone, Calcium pca

CAS 31377-05-6Formula C10H12CaN2O6Molar mass 296.29 g/molEC 250-602-4
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Calcium pidolate chemical structure, C10H12CaN2O6, CAS 31377-05-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
31377-05-6
Formula
C10H12CaN2O6
Molar mass
296.29 g/mol
EC number
250-602-4
HS code
293379
Category
Humectants

What is Calcium pidolate?

Plain description, key identifiers and synonyms

Calcium pidolate is a chemical substance with the molecular formula C10H12CaN2O6 and a molar mass of 296.29 g/mol. Its CAS registry number is 31377-05-6. The IUPAC name is calcium bis((2S)-5-oxopyrrolidine-2-carboxylate).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
calcium bis((2S)-5-oxopyrrolidine-2-carboxylate)
CAS number
31377-05-6 CAS number cross-checked
EC number
250-602-4
Molecular formula
C10H12CaN2O6
UNII
7Y2LVU5EKK
INCI name
CALCIUM PCA
InChIKey
YQFZERWESBDNRJ-QHTZZOMLSA-L
InChI
InChI=1S/2C5H7NO3.Ca/c2*7-4-2-1-3(6-4)5(8)9;/h2*3H,1-2H2,(H,6,7)(H,8,9);/q;;+2/p-2/t2*3-;/m00./s1
Canonical SMILES
O=C1CCC(C(=O)[O-])N1.O=C1CCC(C(=O)[O-])N1.[Ca+2]
Isomeric SMILES
C1CC(=O)N[C@@H]1C(=O)[O-].C1CC(=O)N[C@@H]1C(=O)[O-].[Ca+2]

Synonyms

  • Efical
  • Calcidone
  • Calcium pca
  • Calcium (S)-5-oxopyrrolidine-2-carboxylate
  • calcium, (2S)-5-oxopyrrolidine-2-carboxylate
  • Calcium bis(5-oxo-L-prolinate)
  • Ibercal (TN)
  • Calcium oxoproline
  • L-Calcium pidolate
  • Calcium L-pyroglutamate
  • 5-Oxo-l-proline calcium salt
  • Pidolic acid calcium salt (2:1)
  • Calcium bis[(2S)-5-oxopyrrolidine-2-carboxylate]
  • L-Proline, 5-oxo-, calcium salt (2:1)
  • L-Pyrrolidone carboxylic acid, calcium salt
  • Proline, 5-oxo-, calcium salt (2:1), l-

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
296.29 g/molcalc.
Exact mass
296.0321 Dacalc.
LogP (octanol/water)
-4.35calc.
Topological polar surface area
138.5 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
2calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.6calc.
Formal charge
0calc.
Stereocentres
2calc.
Components
3calc.
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, O=C1CCCN1

O=C1CCCN1

1 ring, 6 atoms, the 2-Pyrrolidone ring system.

3,308 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.

Calcium pidolate suppliers

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

All 7 suppliers
7 of 7 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

7 suppliers in 4 countries

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Calcium pidolate 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 CALCIUM PCA(humectant, skin conditioning)

Functional uses

  • Humectant
  • Softener and conditioner

Cosmetic functions

  • Humectant
  • Skin conditioning

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 Calcium pidolate is traded under.

HS 2933.79Indicative HS code

Lactams, other lactams

World exports in 2024
$16.2B
−64.4% vs 2023, imports $15.4B
2019 to 2024
Top exporters
  1. Ireland37.0%
  2. France * partner reported15.6%
  3. Spain11.3%
Top importers
  1. Germany27.8%
  2. Ireland18.9%
  3. Panama * partner reported12.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Calcium pidolate?

Calcium pidolate is a chemical substance with the molecular formula C10H12CaN2O6 and a molar mass of 296.29 g/mol. Its CAS registry number is 31377-05-6. The IUPAC name is calcium bis((2S)-5-oxopyrrolidine-2-carboxylate).

What is the CAS number of Calcium pidolate?

The CAS registry number of Calcium pidolate is 31377-05-6.

What is the molecular formula and weight of Calcium pidolate?

The molecular formula of Calcium pidolate is C10H12CaN2O6 and its molar mass is 296.29 g/mol.

What is Calcium pidolate used for?

Known uses and roles of Calcium pidolate include humectants in cosmetics and personal care, skin conditioning agents in cosmetics and personal care, humectant, skin conditioning and softener and conditioner.

Is Calcium pidolate hazardous?

No GHS hazard classification for Calcium pidolate 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 Calcium pidolate?

Calcium pidolate is usually classified under HS code 293379 (Lactams, other lactams). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Calcium pidolate?

CompoundList lists 7 suppliers of Calcium pidolate in China, India, Spain and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Calcium pidolate in India?

2 suppliers in India list Calcium pidolate 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 pidolate?

Suppliers quote Calcium pidolate 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 pidolate

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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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