Magnesium citrate tribasic nonahydrate NEW

$1100.00 27ton

$1150.00 10ton

$1200.00 1ton

Min. Order1ton
Purity99%
Cas No153531-96-5
Supply Ability1000T/M
Update time2025-11-04

Lianyungang Kaiyu Environmental Tech Co., Ltd.

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Chemical Properties

Product Name	Magnesium citrate tribasic nonahydrate
CAS No	153531-96-5
EC-No	222-093-9
Min. Order	1ton
Purity	99%
Supply Ability	1000T/M
Release date	2025/11/04

Product Name: Magnesium Citrate Tribasic Nonahydrate
CAS Number: 153531-96-5
Molecular Formula: Mg₃(C₆H₅O₇)₂ · 9H₂O
Molecular Weight: 613.25 g/mol
Synonyms: Trimagnesium dicitrate nonahydrate, Magnesium citrate 3Mg

1. Product Description

Magnesium Citrate Tribasic Nonahydrate is a white crystalline powder or granules, slightly soluble in water, practically insoluble in ethanol. It is used as a magnesium source in food, dietary supplements, pharmaceuticals, and as a reagent in industrial and laboratory applications.

2. Applications

Application Area	Description
Food & Beverage	Nutritional supplement, magnesium fortification, pH buffer in beverages.
Pharmaceuticals	Dietary magnesium supplement, laxative formulations.
Industrial	Laboratory reagent, buffer, magnesium source in chemical reactions.

3. Specifications

Food Grade

Test Item	Specification	Method / Standard
Appearance	White crystalline powder	Visual
Assay (as Mg)	14.5 – 16.4 %	Titration / ICP
pH (1% solution)	7.0 – 9.0	pH meter
Loss on Drying	26.0 – 30.0 %	105 °C, 4h
Heavy Metals (Pb)	≤ 10 ppm	ICP-MS
Arsenic (As)	≤ 3 ppm	ICP-MS
Residue on Ignition	≤ 0.1 %	Gravimetric
Microbial Limits	Total plate count ≤ 1000 CFU/g	ISO 4833
Salmonella	Negative	ISO 6579
E. coli	Negative	ISO 16649

Industrial Grade

Test Item	Specification	Method / Standard
Appearance	White crystalline powder	Visual
Assay (as Mg)	≥ 14.0 %	Titration / ICP
pH (1% solution)	6.5 – 9.5	pH meter
Loss on Drying	25 – 31 %	105 °C, 4h
Heavy Metals (Pb)	≤ 50 ppm	ICP-MS
Arsenic (As)	≤ 5 ppm	ICP-MS
Residue on Ignition	≤ 0.5 %	Gravimetric
Other Impurities	Conforms to specification	Visual / Lab Test

4. Physical Properties

Property	Value
Solubility	Slightly soluble in water, insoluble in ethanol
Density	1.2 – 1.4 g/cm³
Color	White crystalline powder
Odor	Odorless
Stability	Stable under normal storage conditions; hygroscopic

5. Storage & Handling

Store in a cool, dry, well-ventilated area, away from moisture and acids.
Keep containers tightly closed.
Shelf life: 2 years under recommended storage.

6. Safety Information

Non-toxic at recommended doses (food grade).
Handle industrial grade with appropriate PPE (gloves, dust mask, goggles).
Avoid inhalation of dust and prolonged skin contact.

Summary:

Food grade: complies with FCC / GB 2760 standards, suitable for dietary supplements and food fortification.
Industrial grade: suitable for laboratory and industrial applications, purity and heavy metal limits are less strict.

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