Agar
molecular structure · PubChem
AKA: 9002-18-0, Gelose, Ceylon, Chinese gelatin, Japan isinglass, (2R, 3S, 4S, 5R)-2-(hydroxymethyl)-6-[[(4R, 5S)-4-hydroxy-3-methyl-2, 6-dioxabicyclo[3.2.1]octan-8-yl]oxy]-4-methoxyoxane-3, 5-diol, Bengal gelatin, Layor carang, Bengal isinglass
Synthetic
Clean
OriginExtracted from red and brown seaweed species (Rhodophyceae and Phaeophyceae classes) found in marine environments worldwide. Obtained through alkaline extraction and purification of seaweed cell wall polysaccharides, then dried into powder form.
A complex sulfated polymer of galactose units, extracted from Gelidium cartilagineum, Gracilaria confervoides, and related red algae. It is used as a gel in the preparation of solid culture media for microorganisms, as a bulk laxative, in making emulsions, and as a supporting medium for immunodiffusion and immunoelectrophoresis.
Solubility Insoluble in cold water; soluble in boiling water
Formula
C14H24O9
Mol. Weight
336.33
CAS #
9002-18-0
Form
Powder
State
Agar is odourless or has a slight characteristic odour. Unground agar usually occurs in bundles consisting of thin, membranous, agglutinated strips, or in cut, flaked or granulated forms. It may be li
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Viscosity Controlling
Antioxidant
Anti-Inflammatory
Antimicrobial
Provides scent
Holds ingredients together
Controls product thickness
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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