Magnesium stearate, precipitated

Name: Magnesium stearate, precipitated
Brand: Vaqora Chemicals
SKU: VQ-014454

About Magnesium stearate, precipitated

Magnesium stearate, precipitated is an alkaline earth compound carrying the CAS registry number 557-04-0 with a typical assay of 4.5%. With the molecular formula C36H70MgO4, it has a molar mass of 591.2 g/mol. The IUPAC name is magnesium bis(octadecanoate). It is also known as Stearic acid magnesium salt or Magnesium distearate.

In its supplied form it is a white to off-white to yellow powder. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span pharmaceutical synthesis, cosmetics and personal care and fuels and lubricants. It is used across academic and industrial research.

Vaqora Chemicals supplies Magnesium stearate, precipitated in 500 g, 5 kg and 4 x 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmaceutical synthesis
Cosmetics & personal care
Fuels & lubricants

Industries

Specifications & identifiers

Chemical identifiers
Product name	Magnesium stearate, precipitated
Catalogue No.	VQ-014454
CAS Number	557-04-0
IUPAC name	magnesium bis(octadecanoate)
Molecular formula	C₃₆H₇₀MgO₄
Molecular weight	591.2 g/mol
Exact mass	590.5125
Purity / assay	4.5%
HSN code	29157090
InChIKey	HQKMJHAJHXVSDF-UHFFFAOYSA-L
SMILES	CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Mg+2]
PubChem CID	11177

Physical properties
Physical form	Powder
Appearance	White to off-white to yellow powder
H-bond donors / acceptors	0 / 4
TPSA	80.3 Å²
Synonyms	Stearic acid magnesium salt, Magnesium distearate, Magnesium octadecanoate, Dibasic magnesium stearate, Octadecanoic acid, magnesium salt, Synpro 90, Stearic acid, magnesium salt, Petrac MG 20NF, Magnesium stearate g, Synpro Magnesium Stearate 90, Magnesii stearas, Octadecanoic acid, magnesium salt (2:1)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 557-04-0

Reference Standard

Magnesium Stearate

CAS: 557-04-0
Formula: C₃₆H₇₀MgO₄
MW: 591.2 g/mol

In stock

BP/USP/EP

Magnesium stearate, precipitated, BP/USP/EP

CAS: 557-04-0
Formula: C₃₆H₇₀MgO₄
MW: 591.2 g/mol

VQ-046482

Frequently asked questions

What is the CAS number of Magnesium stearate, precipitated?

The CAS Registry Number of Magnesium stearate, precipitated is 557-04-0. It is also known as Stearic acid magnesium salt, Magnesium distearate, Magnesium octadecanoate.

What is the molecular formula and molecular weight of Magnesium stearate, precipitated?

Magnesium stearate, precipitated has the molecular formula C36H70MgO4 and a molecular weight of 591.2 g/mol. Its IUPAC name is magnesium bis(octadecanoate).

Which grade and pack sizes of Magnesium stearate, precipitated can I order?

We supply Magnesium stearate, precipitated in (4.5%) grade, in 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Magnesium stearate, precipitated?

Yes. Every lot of Magnesium stearate, precipitated is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Magnesium stearate, precipitated be shipped internationally?

Yes. Magnesium stearate, precipitated is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.