Retinal
all-E-Retinal, All-trans-Retinal, ALL-TRANS-RETINAL, all-trans-Retinaldehyde
- CAS
- 116-31-4
- EC
- 204-135-8
- Sectors
- Personal Care & Cosmetics, Nutraceuticals & Supplements, Food & Nutrition
Retinal (all-trans-retinaldehyde) is a yellow powder with formula C₂₀H₂₈O and molecular weight 284.44 g/mol. Density approximately 1.008 g/cm³, melting point 63 °C, water solubility below 70 mg/L at 25 °C. Also known as all-trans-retinal, it is the aldehyde form of Vitamin A.
Retinal is the biologically active aldehyde intermediate in the Vitamin A pathway, functioning as the chromophore in retinal photoreceptors and as a precursor in retinoid metabolism. It is supplied as a cosmetic-grade yellow powder for use across personal care, nutraceutical, and food and nutrition sectors.
SoleChem, an ISO 9001:2015 certified chemical supplier based in Türkiye, delivers Retinal (CAS 116-31-4) to customers in more than 40 countries.
Retinal
Applications
- Personal Care & Cosmetics: used as retinoid active in topical formulations.
- Food & Nutrition: supports vision, immune function, and cell specialisation claims.
- Nutraceuticals & Supplements: Vitamin A source; excluded from Annex II Directive 2002/46/EC.
- Biochemical & Research: reference standard in retinoid pathway and photoreceptor studies.
- Animal Feed: Vitamin A-active ingredient in premix and compound feed.
Safety & Risks
GHS Danger: H302 (harmful if swallowed), H315 (skin irritation), H360 (may damage fertility or the unborn child), H413 (harmful to aquatic life, long-lasting). Wear gloves, eye protection, and appropriate respiratory protection. Avoid release to the environment. Store away from light, heat, and moisture.
Packaging
Supplied in 25 kg drums or cartons; 1–5 kg small-lot options available. Store sealed in cool, dry, dark conditions.