1-Monostearin

CAS Number
123-94-4
EC Number
204-664-4
FEMA Number
FEMA 2527
Abbreviation
GMS

What is 1-Monostearin?

1-Monostearin (CAS 123-94-4), commercially known as Glyceryl Monostearate or GMS, is a monoglyceride ester used as an emulsifier and stabilizer.

Where is 1-Monostearin used?

  • Food: baked goods, margarine, and ice cream where it controls fat crystallization and improves texture
  • Personal care: emulsifying wax in creams and lotions
  • Plastics: lubricant and antistatic agent
  • Coatings and adhesives: plasticizer and dispersing aid
  • It enables oil and water phases to combine uniformly in formulations.

Good to know: Food-grade material meets FCC and E471 specifications; cosmetic and pharmaceutical grades meet USP and BP purity requirements. Technical grade is for industrial polymer and coatings uses where food or pharma compliance is not required.

Commercial specifications

  • Food-grade: FCC and E471

Other Names (Synonyms)

Glyceryl monostearate|Glycerin 1-monostearate|Glycerin 1-stearate|Stearin, 1-mono-|Stearic acid 1-monoglyceride|1-Glyceryl stearate|alpha-Monostearin|Glyceryl 1-monostearate|GMS

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What are the physical properties of 1-Monostearin?

Melting Point 81-81.5 °C
Boiling Point 476.9±25.0 °C(Predicted)
Density 0.9678 g/cm³ @ Temp: 20 °C
Color White to Off-White
Odor at 100.00 %. mild fatty waxy
Form Solid
Log P 7.23

Which trade and regulatory codes apply to 1-Monostearin?

HS Code 29157090
Storage Class 11 - Combustible Solids
WGK (Germany) 1
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