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Molekula

Molekula

Stearyl stearate

SKU 90027556 CAS 2778-96-3 CH3(CH2)16COO(CH2)17CH3 MW 536.96 In stock (5+ packs) — same-day dispatch Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Stearyl stearate is a synthetic ester formed from stearic acid and stearyl alcohol, widely used as an emollient, lubricant, and opacifier in cosmetics, personal care products, and industrial formulations. It enhances texture, spreads easily, and improves stability in creams, lotions, and powders. CAS 2778-96-3, molecular formula CH3(CH2)16COO(CH2)17CH3, molecular weight 536.96. Non-hazardous, requires storage at 2–8°C. Molekula supplies stearyl stearate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

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  • 100 g — £62.10 per pack ex VAT · £74.52 inc. VAT

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Specifications

Property Value
Appearance White powder
Melting Point 52 - 60℃
Flash Point >240℃
Loss on Drying ≤2%
Lead (Pb) ≤5ppm
Arsenic (As) ≤5ppm
Iodine value (g I2/100g) ≤2
Saponification Value (mgKOH/g) 100 - 118
Acid Value (mg KOH/g) ≤5

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Acidity Neutral

Identification

Property Value
SKU 90027556
CAS Number 2778-96-3
IUPAC Name octadecyl octadecanoate
EC Number 220-476-5
Molecular Formula CH3(CH2)16COO(CH2)17CH3
Molecular Weight 536.96
Exact Mass 536.5532
SMILES CCCCCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCCCC
InChIKey NKBWPOSQERPBFI-UHFFFAOYSA-N
InChI InChI=1S/C36H72O2/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-38-36(37)34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-35H2,1-2H3
PubChem CID 17720
REACH Code Y113
TSCA Listed Yes
HTS Code 2915700120
Tariff Code 2915705090

Safety & GHS

Precautionary statements

  • P264 Wash thoroughly after handling
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P308+313 IF exposed or concerned: Get medical advice/attention

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • Cyclochem SS
  • Lexol SS
  • Liponate SS
  • Octadecanoic acid, octadecyl ester
  • octadecanyl octadecanoate
  • Octadecyl Octadecanoate
  • Octadecyl stearate
  • Ritachol SS
  • Stearic acid octadecyl ester
  • Stearic acid, stearyl ester

Frequently asked questions

What is stearyl stearate commonly used for?

Stearyl stearate is primarily used as an emulsifier, lubricant, and opacifier in cosmetics, personal care products, and some industrial applications like polishes and coatings.

What is the chemical formula and molecular weight of stearyl stearate?

The chemical formula is **CH₃(CH₂)₁₆COO(CH₂)₁₇CH₃**, and the molecular weight is **536.96 g/mol**.

How should stearyl stearate be stored?

Store stearyl stearate in a cool, dry place at **2–8°C** to maintain stability and prevent degradation.

What grades or purity levels of stearyl stearate does Molekula supply?

Molekula supplies stearyl stearate in **technical/industrial grade** and **pharmaceutical/cosmetic grade** (if applicable).

Can Molekula supply stearyl stearate in bulk quantities?

Yes, Molekula can supply stearyl stearate in bulk, with flexible packaging options (drums, bags, or custom solutions).

What documentation comes with an order of stearyl stearate?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.

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