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Magnesium Stearate Medical Grade CAS No. 557-04-0

Name: Magnesium Stearate Medical Grade CAS No. 557-04-0
Brand: Jianqi
SKU: pr2607102119
Price: 1 USD
Availability: InStock

ISO FDA COA 22 Inquiries

Unit Price:

$1-1.3/MT FOB

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CAS No.:

557-04-0

Grade:

Pharmaceutical Grade

Content:

100%

Port:

shanghai

Brand:

Jianqi

Packaging:

Bag; Drum

Sample Available:

Yes

Price valid (until):

2030-01-01

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Shanghai Jianqi Chemical Company

Company Type:

Trader

Location:

China

Average Lead Time:

10 days

Qualification:

Main Products:

chemical raw materials

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Medical Grade Magnesium Stearate with CAS No.557-04-0 is a white fine hydrophobic powder synthesized from stearic acid and magnesium salt through refined purification and pharmaceutical-grade processing, fully complying with USP, EP and BP pharmacopoeia standards. It features uniform particle size, good fluidity, low moisture absorption, neutral mild chemical property and excellent lubricating, anti-adherent and flow-aiding functions, without irritation to human skin and digestive tract.

Its core advantage lies in ultra-high purity and strictly controlled heavy metals, ash, microbial limits, residual solvents and free fatty acid indicators, eliminating impurity risks for oral pharmaceutical preparations. As the most widely used pharmaceutical excipient, it can effectively reduce friction between powder particles during tableting and capsule filling, prevent raw materials from sticking to punch dies and capsule shells, improve powder flowability, and make tablets surface smooth with uniform weight difference. Meanwhile, it will not interfere with the dissolution rate and stability of active pharmaceutical ingredients, compatible with most medicinal raw materials.

Besides solid oral medicines including tablets, hard capsules, granules and chewable pills, medical grade magnesium stearate is also applicable to health supplements, vitamin tablets, effervescent tablets and cosmetic oral care products. Different from industrial grade products, this medical grade undergoes sterile treatment and microbial inspection in clean workshops, with no pathogenic bacteria detected. It is stable under normal sealed storage conditions, hard to agglomerate and long shelf life. Our factory implements full-process quality tracking and provides complete COA, pharmacopoeia compliance documents for global pharmaceutical manufacturers and health food enterprises to support registration and export customs clearance.

Items	Specifications
Appearance	White fine smooth hydrophobic powder
Function	Lubricant, anti-caking agent, glidant for tablets & capsules
Application	Pharmaceutical tablets, capsules, health supplements, oral solid preparations

ECHEMI Editorial Reference

It appears as bright white soft powder with the industrial products containing a small amount of oleic acid and 7% magnesium oxide and is odorless and tasteless. It is slightly soluble in water and soluble in hot ethanol. soft, light white powder(s); odorless, tasteless; nonflammable used in baby dusting powder(s) and as tablet lubricant [HAW93] [MER06] Magnesium stearate is a very fine, light white, precipitated or milled, impalpable powder of low bulk density, having a faint odor of stearic
DryPowder; DryPowder, PelletsLargeCrystals|WHITE POWDER.
Magnesium distearate is a magnesium salt.

Certificates

Basic Info

Product Name:

Magnesium stearate

Other Name:

Octadecanoic acid,magnesium salt (2:1);Magnesium stearate;Stearic acid,magnesium salt;Octadecanoic acid,magnesium salt;Dibasic magnesium stearate;Magnesium distearate;SM;Petrac MG 20NF;SM 1000;Magnesium octadecanoate;Daiwax M;Pharma;SM-P;NS-M;NS-M (salt);Synpro Magnesium Stearate 90;Synpro 90;NP 1500;Magnesium stearic acid;EM 100;EM 100 (salt);EM 144;EM 112;EM 612;Nissan Electol MM 2;HyQual;Electol MM 2;Mg-St;Daiwax SMO;Palmstar 325BP/EP;SPX 100F;M 5GN;Magnesium Stearate G;Aurabrite MA 76;Parteck LUB-MST;PETS 120P;AFCO-Chem MGS;Kemilub EM-F-V;JPM 100;Liga MF 2V;SMO;VE;SM-PG;MGS;Songstab SM 310;BS 5818;SAK-MS-P;Parteck LUB;Ligastar MG 700;SM 520;Magnesium stearate GR;S 0238;Nissan Elector MM-2;Ligamed MF-2-V;Magnesium Stearate GP;magnesium stearate;Ligamed;SM 310;E 470B;IADMGSTCM 700;NJ 029;YZM 32C;YZM 75C;Ligamed MF 2V;Hyqual 5712;212132-26-8

CAS No.:

557-04-0

Molecular Formula:

C18H36O2.¹/2Mg

InChIKeys:

InChIKey=DKXULEFCEORBJK-UHFFFAOYSA-N

Molecular Weight:

632.31900

Exact Mass:

630.45700

EC Number:

209-150-3

UNII:

70097M6I30

ICSC Number:

1403

DSSTox ID:

DTXSID2027208

Color/Form:

LUMPS|Fine, bulky, white powder|Soft, white, light powder

HScode:

29157030

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

52.60000

XLogP3:

12.50830

Appearance:

White powder

Density:

1.028 g/cm³

Melting Point:

88 °C

Boiling Point:

359.4ºC at 760mmHg

Flash Point:

162.4ºC

Refractive Index:

1.45 (25ºC)

Water Solubility:

H2O: Insoluble

Storage Conditions:

Store at RT.

Toxicity:

LD50 orally in Rabbit: > 2000 mg/kg

Odor:

Odorless|Faint, characteristic odor

Taste:

Tasteless

Experimental Properties:

Decomposed by dilute acids

Physical Dangers:

Dust explosion possible if in powder or granular form, mixed with air. If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc.

See More Magnesium stearate Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Magnesium stearate Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
chemical raw materials

Location:
Building 1, Unit 5, Room 313, Building L, No. 688 Qiushi Road, Jinshuiwei Town, Jinshan District, Shanghai

Average lead Time:
10 days

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
11-50

Year of Establishment:
2019

Inquiry History

22 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Magnesium Stearate	25 KG	Jul 24, 2025
Bangladesh	MAGNESIUM STEARATE	10000 KG	Aug 7, 2026
Portugal	Magnesium Stearate	50 KG	Sep 18, 2026
Pakistan	Magnesium Stearate	200 KG	Dec 11, 2025
United States	Magnesium Stearate	20 TON	Jan 2, 2025
Portugal	Magnesium stearate	500 KG	Oct 9, 2024
India	Magnesium stearate	1000 MT	Jun 15, 2024
Bangladesh	magnesium stearate	50 KG	Mar 5, 2024
Japan	Magnesium stearate	1 KG	Nov 30, 2023
United Kingdom	Magnesium stearate in bulk	1 MT	Oct 20, 2023
India	MAGNESIUM STERATE	100.00 KG	Aug 11, 2026
Bangladesh	Magnesium stearate	1000 KG	Feb 25, 2026
India	Magnesium Stearate	17 MT	Dec 31, 2025
Pakistan	Magnesium Stearate	200 KG	Dec 9, 2025
Pakistan	Magnesium stearate	3 MT	Jul 3, 2025
Bangladesh	Magnesium Stearate BP (200 mesh)	700.00 KG	Jun 4, 2025
Egypt	Magnesium Stearate	250.00 KG	Dec 25, 2024
India	magnesium stearate	1.00 MT	Aug 19, 2024
Bangladesh	Magnesium stearate	2000.00 KG	Jan 31, 2024
India	Magnesium Stearate BP/USP/EP	1.00 MT	Oct 20, 2023

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Magnesium Stearate Medical Grade CAS No. 557-04-0

Product Description

Seller Information

Inquiry History

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

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