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Food colors

Violaxanthin

Also known as all-trans-Violaxanthin, Zeaxanthin diepoxide, trans-Violaxanthin

CAS 126-29-4Formula C40H56O4Molar mass 600.88 g/mol
1 supplier listed
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Violaxanthin chemical structure, C40H56O4, CAS 126-29-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
126-29-4
Formula
C40H56O4
Molar mass
600.88 g/mol
HS code
320418
Category
Food colors

What is Violaxanthin?

Plain description, key identifiers and synonyms

All-trans-violaxanthin is the all-trans-stereoisomer of violaxanthin. It has a role as a food colouring.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1R,3S,6S)-6-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4S,6R)-4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-1,5,5-trimethyl-7-oxabicyclo[4.1.0]heptan-3-ol
CAS number
126-29-4 CAS number cross-checked
Molecular formula
C40H56O4
UNII
51C926029A
InChIKey
SZCBXWMUOPQSOX-WVJDLNGLSA-N
InChI
InChI=1S/C40H56O4/c1-29(17-13-19-31(3)21-23-39-35(5,6)25-33(41)27-37(39,9)43-39)15-11-12-16-30(2)18-14-20-32(4)22-24-40-36(7,8)26-34(42)28-38(40,10)44-40/h11-24,33-34,41-42H,25-28H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,29-15+,30-16+,31-19+,32-20+/t33-,34-,37+,38+,39-,40-/m0/s1
Canonical SMILES
CC(C=CC=C(C)C=CC12OC1(C)CC(O)CC2(C)C)=CC=CC=C(C)C=CC=C(C)C=CC12OC1(C)CC(O)CC2(C)C
Isomeric SMILES
C/C(=C\C=C\C=C(\C=C\C=C(\C=C\[C@@]12O[C@@]1(C[C@H](CC2(C)C)O)C)/C)/C)/C=C/C=C(/C=C/[C@@]34O[C@@]3(C[C@H](CC4(C)C)O)C)\C

Synonyms

  • all-trans-Violaxanthin
  • Zeaxanthin diepoxide
  • trans-Violaxanthin
  • E 161e
  • 5,6:5',6'-Diepoxy-5,5',6,6'-tetrahydro-beta-carotene-3,3'-diol
  • (3S,3'S,5R,5'R, 6S,6'S)-5,6:5',6'-Diepoxy-5,5',6,6'-tetrahydro-beta,beta-carotene-3,3'-diol
  • Violoxanthin
  • (3S,3'S,5R,5'R,6S,6'S)-5,5',6,6'-tetrahydro-5,6:5',6'-diepoxy-beta,beta-carotene-3,3'-diol
  • (3S,5R,6S,3's,5'r,6's)-5,6,5',6'-Diepoxy-5,6,5',6'- tetrahydro-beta,beta-carotene-3,3'-diol
  • 5a,6a:5'a,6'a-Bisoxy-5,5',6,6'-tetrahydro-b,b-carotene-3b,3b'-diol
  • (all-E)-violaxanthin
  • Violaxanthin Impurity 1
  • All-e-violaxanthin
  • C orange 15
  • Anti,anti-violaxanthin
  • Violaxanthin, all-trans-
  • Violaxanthin (e 161E)
  • Violaxanthin - solution in ethanol
  • Violaxanthin, >=90.0% (HPLC)
  • beta,beta-Carotene-3,3'-diol, 5,6:5',6'-diepoxy-5,5',6,6'-tetrahydro-, (3S,3'S,5R,5'R,6S,6'S)-
  • 5,6,5',6'-diepoxy-5,6,5',6'-tetrahydro-beta,beta-carotene-3,3'-diol
  • beta-carotene-3,3'-diol, 5,6:5',6'-diepoxy-5,5',6,6'-tetrahydro-
  • (3S,3'S,5R,5'R,6S,6'S)-5,6:5',6'-diepoxy-5,5',6,6'-tetrahydro-beta,beta-carotene-3,3'-diol
  • (3S,5R,6S,3's,5'r,6's)-5,6,5',6'-Diepoxy-5,6,5',6'-tetrahydro-beta,beta-carotene-3,3'-diol
  • (3S,5R,6S,3'S,5'R,6'S)-5,6:5',6'-Diepoxy-5,6,5',6'-tetrahydro-beta,beta-carotene-3,3'-diol
Show all 26 synonyms
  • b,b-Carotene-3,3'-diol,5,6:5',6'-diepoxy-5,5',6,6'-tetrahydro-, (3S,3'S,5R,5'R,6S,6'S)-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
600.88 g/molcalc.
Exact mass
600.4179 Dacalc.
LogP (octanol/water)
8.97calc.
Topological polar surface area
65.52 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
10calc.
Heavy atoms
44calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.55calc.
Formal charge
0calc.
Stereocentres
6calc.
Lipinski rule of five
Fails (2 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C(=CC=CC=CC=CC=CC12CCCCC1O2)C=CC=CC=CC=CC12CCCCC1O2

C(=CC=CC=CC=CC=CC12CCCCC1O2)C=CC=CC=CC=CC12CCCCC1O2

4 rings, 32 atoms.

4 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Violaxanthin suppliers

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Where suppliers are based

1 supplier in 1 country

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Violaxanthin price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Industries and functions

Roles

  • additive
  • food additive
  • food colouring
  • food component
  • physiological role

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Violaxanthin is traded under.

HS 3204.18Indicative HS code

Carotenoid colouring matters and preparations based thereon

World exports in 2024
$696M
+8.0% vs 2023, imports $526M
2022 to 2024
Top exporters
  1. France * partner reported34.6%
  2. Netherlands31.7%
  3. Germany12.1%
Top importers
  1. Netherlands34.7%
  2. China6.3%
  3. France * partner reported5.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Violaxanthin is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Violaxanthin, based on the data on this page

What is Violaxanthin?

All-trans-violaxanthin is the all-trans-stereoisomer of violaxanthin. It has a role as a food colouring.

What is the CAS number of Violaxanthin?

The CAS registry number of Violaxanthin is 126-29-4.

What is the molecular formula and weight of Violaxanthin?

The molecular formula of Violaxanthin is C40H56O4 and its molar mass is 600.88 g/mol.

What is Violaxanthin used for?

Known uses and roles of Violaxanthin include food colors in food and beverage, additive, food additive, food colouring, food component and 1 more.

Is Violaxanthin hazardous?

No GHS hazard classification for Violaxanthin is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Violaxanthin?

Violaxanthin is usually classified under HS code 320418 (Carotenoid colouring matters and preparations based thereon). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Violaxanthin?

CompoundList lists 1 supplier of Violaxanthin in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Violaxanthin?

Suppliers quote Violaxanthin on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Violaxanthin

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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