Calcium Citrate Tetrahydrate NEW

$1100.00 27ton

$1150.00 10ton

$1200.00 1ton

Min. Order1ton
Purity99%
Cas No5785-44-4
Supply Ability1000T/M
Update time2025-11-04

Lianyungang Kaiyu Environmental Tech Co., Ltd.

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Chemical Properties

Product Name	Calcium Citrate Tetrahydrate
CAS No	5785-44-4
EC-No	212-391-7
Min. Order	1ton
Purity	99%
Supply Ability	1000T/M
Release date	2025/11/04

Product Name: Calcium Citrate Tetrahydrate

Chemical Formula: Ca₃(C₆H₅O₇)₂·4H₂O
CAS No.: 5785-44-4
Molecular Weight: 570.5 g/mol
Synonyms: Tricalcium dicitrate tetrahydrate, Calcium salt of citric acid, Food additive E333

1. Product Description

Calcium Citrate Tetrahydrate is the hydrated calcium salt of citric acid. It appears as a fine, white to off-white odorless powder or granule, and is slightly soluble in water. It is widely used as a calcium source and buffering agent in food, pharmaceutical, and industrial applications. It is available in both Food Grade and Industrial Grade.

2. Specifications

Property	Food Grade	Industrial Grade
Appearance	White or off-white powder	White or off-white powder
Assay (as Ca, dry basis)	20.0 – 21.0%	19.5 – 21.0%
Assay (as Ca₃(C₆H₅O₇)₂·4H₂O)	≥ 98.0%	≥ 97.0%
Moisture (Loss on drying)	≤ 13.5%	≤ 14.0%
pH (1% solution)	6.0 – 8.0	6.0 – 8.5
Heavy Metals (as Pb)	≤ 10 ppm	≤ 20 ppm
Arsenic (As)	≤ 1 ppm	≤ 3 ppm
Fluoride (F)	≤ 30 ppm	≤ 50 ppm
Lead (Pb)	≤ 2 ppm	≤ 5 ppm
Solubility in Water	Slightly soluble	Slightly soluble
Identification (FTIR or Wet Chemistry)	Conforms	Conforms
Particle Size (optional)	As per customer specification	As per customer specification
Microbiological Limits	TPC < 1000 cfu/g; Yeast & Mold < 100 cfu/g	Not applicable or on request

3. Applications

Food Grade

Calcium fortifier in dietary supplements, juice, cereal, dairy products
Acidity regulator / buffer
Food additive (E333) approved in many regions
Tableting agent in health and nutrition formulations

Industrial Grade

Stabilizer or buffer in fermentation or chemical processes
Calcium additive in agriculture or animal nutrition
Intermediate in chemical manufacturing
Ingredient in non-food tablets or premixes

4. Packaging & Storage

Item	Description
Packaging	25 kg paper bag / kraft bag / fiber drum with inner PE liner
Shelf Life	24 months from production date under recommended conditions
Storage Conditions	Store in a cool, dry, and well-ventilated place. Keep container tightly closed. Protect from moisture and direct sunlight.

5. Regulatory & Compliance Information

Region	Status
EU (E333)	Approved food additive (Calcium salts of citric acid)
USA (FDA)	GRAS (Generally Recognized As Safe)
China (GB 2760)	Approved food additive
Codex Alimentarius	Listed as calcium fortifier

HS Code: 29181500