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Purox® – Preservation meets purity and sustainability

LANXESS supplies Purox® B and Purox® S, two ultra-high purity preservatives based on benzoic acid and its sodium salt. These nature-identical ingredients are used globally in food, beverages, personal care, cosmetics, pharmaceuticals and industrial applications.

Sustainability through Scopeblue®

LANXESS now offers Purox® B and Purox® S made from sustainable raw materials and renewable energy, following the ISCC PLUS certified mass balance approach. These versions are marketed under the LANXESS Scopeblue® umbrella brand, and contribute to climate goals without compromising product quality.

Scopeblue® Purox® products offer:

✔ Measurably improved carbon footprints

✔ Premium product quality and purity

✔ Identical performance and regulatory compliance

The product carbon footprints are certified by TÜV Rheinland/TÜV Süd, based on ISO 14067 and in line with SBTi standards. These efforts support LANXESS’ Net Zero Value Chain Initiative:

  • Climate neutrality for Scope 1 and 2 emissions by 2040
  • Elimination of Scope 3 emissions by 2050

Our sustainability experts are available to help you meet your climate and compliance goals.
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  Purox® B Food/Pharma Benzoic Acid  Purox® S Grains Sodium Benzoate  
INCI   Benzoic acid
  Sodium benzoate 
Purity    minimum 99.98%   minimum 99.98% 

Forms

  Flakes (“chips”), odorless and colorless   Flakes (“chips”), odorless and colorless 
Visual Description, taste and odor 
 White, slight characteristic odor 
  White, odorless 
Regulatory Listings 
  US-FDA GRAS, EFSA E210   US-FDA GRAS, EFSA E211
Certifications FSSC 22000 FSMS, ISO 9001:2015 QMS; ISO 14001:2015 EMS; ISO 45001:2018 OHSMS; Kosher; Halal  FSSC 22000 FSMS, ISO 9001:2015 QMS; ISO 14001:2015 EMS; ISO 45001:2018 OHSMS; FAMI-QS; Kosher; Halal 
Standards National Formulary (NF), Food Chemicals Codex (FCC), E210  National Formulary (NF), Food Chemicals Codex (FCC), E210 
Food & beverage applications  Flour and corn tortillas, pancakes, pizza, and other non-yeast-raised bakery products; sauces; hot-packprocessed and canned products (e.g. tomatoes and fruits), seafood products; beverages, such as soft drinks and spirits  Jams, jellies, dressings, sauces, condiments, pickles, olives, pastries; feed silage; beverages such as soft drinks, low alcohol beverages and non-alcoholic beer 
Personal Care applications 
 Leave-On and Rinse-Off Skin Care, Hair Care, Wipes, Deodorant, Oral Care, Feminine Hygiene, Pharmaceuticals  Leave-On and Rinse-Off Skin Care, Hair Care, Wipes, Deodorant, Oral Care, Color Cosmetics, Feminine Hygiene, Pharmaceuticals 

Why choose Purox® from LANXESS?

✔ Highest purity on the market: 99.98 % (Purox® B), 99.9 % (Purox® S)

✔ Broad regulatory approvals (FDA, EFSA, GRAS, E211)

✔ Suitable for personal care, food, pharma and industrial use

✔ Industry leading Technical, microbiology and regulatory expertise

✔ Strong commitment to sustainability: COSMOS, NATRUE certified products available, Scopeblue options of products

✔ Backed by global expertise and reliable supply from LANXESS
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