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E327

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E327 is a widely used ingredient in cosmetics, personal care, and skincare formulations. Depending on its function, it may serve as a moisturizer, preservative, emulsifier, or active ingredient to enhance the overall effectiveness and performance of a product.

E327 (Wikipedia)

Calcium lactate is a white crystalline salt with formula C
6H
10CaO
6, consisting of two lactate anions H
3C(CHOH)CO−
2 for each calcium cation Ca2+
. It forms several hydrates, the most common being the pentahydrate C
6H
10CaO
6·5H
2O.

Calcium lactate
Calcium L-lactate
Names
Preferred IUPAC name
Calcium bis(2-hydroxypropanoate)
Other names
  • calcium lactate 5-hydrate
  • calcium lactate
  • 2-hydroxypropanoic acid
  • calcium salt pentahydrate
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.011.278 Edit this at Wikidata
EC Number
  • 212-406-7
E number E327 (antioxidants, ...)
UNII
  • InChI=1S/2C3H6O3.Ca/c2*1-2(4)3(5)6;/h2*2,4H,1H3,(H,5,6);/q;;+2/p-2 checkY
    Key: MKJXYGKVIBWPFZ-UHFFFAOYSA-L checkY
  • InChI=1/2C3H6O3.Ca/c2*1-2(4)3(5)6;/h2*2,4H,1H3,(H,5,6);/q;;+2/p-2
    Key: MKJXYGKVIBWPFZ-NUQVWONBAM
  • [Ca+2].[O-]C(=O)C(O)C.[O-]C(=O)C(O)C
Properties
C6H10CaO6
Molar mass 218.22 g/mol
Appearance white or off-white powder, slightly efflorescent
Density 1.494 g/cm3
Melting point 240 °C (464 °F; 513 K) (anhydrous)
120 °C (pentahydrate)
L-lactate, anhydrous, g/100 mL: 4.8 (10 °C), 5.8 (20 °C), 6.7 (25 °C), 8.5 (30 °C); 7.9 g/100 mL (30 °C)[citation needed]
Solubility very soluble in methanol, insoluble in ethanol
Acidity (pKa) 6.0-8.5
1.470
Pharmacology
A12AA05 (WHO)
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H319
P264, P280, P305+P351+P338, P337+P313
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
0
0
Flash point Not applicable
No data
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Calcium lactate is used in medicine, mainly to treat calcium deficiencies; and as a food additive with E number of E327. Some cheese crystals consist of calcium lactate.

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