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DENISOL® PURE INDIGO 30 LIQ

A groundbreaking aniline-free* indigo solution

Archroma’s new aniline-free* indigo dye, Denisol® Pure Indigo 30 liq, reduces risk when producing the traditional, iconic indigo blue that consumers associate with denim and jeans.

Break new ground with aniline-free* indigo for denim.

Archroma’s new aniline-free* indigo dye, Denisol® Pure Indigo 30 liq, reduces risk when producing the traditional, iconic indigo blue that consumers associate with denim and jeans.

During production, some of the aniline stays locked into the indigo pigment and is difficult to wash off the fabric. The remainder of the aniline impurity, approximately 300 metric tons, is discharged during dyeing. This can be an issue as aniline is toxic to aquatic life. In addition, exposure levels to factory workers can be high.

The toxic chemical is therefore starting to feature on the restricted substance lists (RSL) of some major clothing brands and retailers.

*Below limits of detection according to industry standard test methods

For designers and brand owners who long for authentic indigo inspiration, the new Denisol® Pure Indigo 30 liq now also makes it possible to produce indigo-dyed denim without high levels aniline impurities.

From fiber to finish, Archroma offers a scope of possibilities for effects and colors, from the authentic roots of indigo to the most innovative and eco-advanced solutions.

Archroma is a recognized leader in integrated solutions, offering best-in-class auxiliaries for bespoke process packages.

ANILINE-FREE* - TESTED & PROVEN

We have tested the aniline levels present in our Denisol® Pure Indigo compared to standard pre-reduced indigo products at 30% concentration:

DENISOL® PURE INDIGO 30 LIQ

Test labTest locationSample codeAniline result mg/kgTest report dateTest report nºTest methodMethod detection limit mg/kg
STATS Asia PacificSingaporeP1Not detected16/01/2020CHEM-200024ISO14362-1:201710
STATS Asia PacificSingaporeP2Not detected16/01/2020CHEM-200024ISO14362-1:201710
STATS Asia PacificSingaporeP3Not detected16/01/2020CHEM-200024ISO14362-1:201710
STATS Asia PacificSingaporeP4Not detected16/01/2020CHEM-200024ISO14362-1:201710
STATS Asia PacificSingaporeP5Not detected16/01/2020CHEM-200024ISO14362-1:201710
TESTEX AGZurichSample B<523.05.2019ZH150 153425.1ISO14362-1:2017<5
SGS Hong KongHong Kong201809000172Not detected22.11.2018SL118102941033TXSGS, GC-MS30
SGS Hong KongHong Kong201809000255Not detected22.11.2018SL118102941033TXSGS, GC-MS30
SGS Hong KongHong Kong201809000365Not detected22.11.2018SL118102941033TXSGS, GC-MS30
TESTEX AGZurich201809000172<525.10.2018ZH015 14367.1ISO14362-1:2017<5
TESTEX AGZurich201809000255<525.10.2018ZH015 14367.1ISO14362-1:2017<5
TESTEX AGZurich201809000365<525.10.2018ZH015 14367.1ISO14362-1:2017<5

STANDARD PRE-REDUCED INDIGO 30%

Test labTest locationSample codeAniline result mg/kgTest report dateTest report nºTest methodMethod detection limit mg/kg
STATS Asia PacificSingaporeFB-RT-HP73621/01/2020CHEM-200078ISO14362-1:201710
STATS Asia PacificSingaporeSample #Reg64516/01/2020CHEM-200024ISO14362-1:201710

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