all-trans-Retinal
Also known as: All-trans-retinaldehyde, Retinal, Retinaldehyde, Vitamin A aldehyde, Retinene, Retinene1, all-E-Retinal, trans-Retinal, trans-Vitamin A aldehyde, Axerophthal, UNII:RR725D715M, (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenal
all-trans-Retinal (CAS 116-31-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H28O and a molecular weight of 284.436 g/mol. Key properties include a melting point of 61-63°C, a boiling point of 421.4±14.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 205.4±12.4 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 116-31-4
- Jingsj CID
- J-28596-1
- Molecular Formula
- C20H28O
- Molecular Weight
- 284.436 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 61-63°C |
|---|---|
| Boiling Point | 421.4±14.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 205.4±12.4 °C |
| Exact Mass | 284.214020 |
| PSA | 17.07000 |
| LogP | 6.54 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.541 |
| Storage Conditions | −20°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Sawada O, et al. All-trans-retinal induces Bax activation via DNA damage to mediate retinal cell apoptosis. Exp Eye Res. 2014 Jun;123:27-36. |
Customs & Trade Information
| HS Code | 2912299000 |
|---|---|
| Summary | 2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of all-trans-Retinal?
The CAS number of all-trans-Retinal is 116-31-4.
What are the molecular formula and molecular weight of all-trans-Retinal?
all-trans-Retinal has molecular formula C20H28O and molecular weight 284.436 g/mol.
Is all-trans-Retinal hazardous?
all-trans-Retinal has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation.
What are the upstream and downstream products of all-trans-Retinal?
For all-trans-Retinal, Upstream Products: Retinol, Trimethylacetaldehyde, 2,2-Dimethyl-4-pentenal; Downstream Products: Isotretinoin, Tretinoin, 13-cis-Retinal.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "all-trans-Retinal (CAS 116-31-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28596-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.