Comparing E133 - Brilliant blue FCF vs E142 - Green s

Synonyms
E133
Brilliant blue FCF
FD&C Blue 1
FD and C Blue 1
Blue 1
fd&c blue no. 1
Blue 1 lake
E142
Green s
CI Food Green 4
Functions
Products

Found in 20,793 products

Found in 2 products

Search rank & volume
#10917.6K / mo🇺🇸U.S.
#322480 / mo🇺🇸U.S.
Awareness score

×0.12
under-aware

×10.73
over-aware

Search volume over time

Interest over time for 7 keywords in U.S. during the last 10 years.

Interest over time for 3 keywords in U.S. during the last 10 years.

Popular questions
  1. What is blue 1 made of?

    A synthetic triarylmethane dye used as a food color; it's the disodium salt of a sulfonated aromatic compound and is water‑soluble. An insoluble 'lake' form is made by depositing the dye onto aluminum hydroxide for use in fats and coatings.

  2. What does blue 1 do to your body?

    At typical dietary levels it has no known physiological effect; most ingested Blue 1 is poorly absorbed and is excreted. Rarely, sensitive individuals may have allergic-type reactions or temporary blue-green stool/urine.

  3. Is blue 1 dye bad for you?

    No—major regulators (FDA, EFSA, JECFA) consider it safe at permitted levels, with an EFSA ADI of 6 mg/kg body weight per day. Adverse reactions are uncommon and usually limited to rare hypersensitivity.

  4. How is blue 1 made?

    It’s synthesized from petroleum‑derived aromatic compounds by constructing a triarylmethane core, then sulfonating and oxidizing it to a water‑soluble disodium salt. The 'lake' form is produced by precipitating the dye onto aluminum hydroxide.

  5. Does blue 1 cause cancer?

    Current evidence does not show that Blue 1 causes cancer at permitted food-use levels. Long-term animal studies and evaluations by EFSA/JECFA have not identified carcinogenic or genotoxic concerns.

  1. Why is my s*** green?

    Foods or drinks colored with Green S (E142) or other green/blue dyes can pass through and temporarily turn stool green; this is usually harmless and resolves once the colorant is out of your system.

  2. Are s&h green stamps worth anything?

    That’s unrelated to E142—Green S is a synthetic green food dye; S&H Green Stamps were a retail loyalty stamp and not a food additive.

  3. What were s&h green stamps?

    They’re not related to E142; they were a U.S. trading-stamp loyalty program, unrelated to the Green S food dye.

  4. What are s&h green stamps?

    They’re not related to E142; they’re trading stamps from an old retail loyalty program, not a food color.

  5. What does it mean when your s*** is green?

    In places where Green S (E142) is allowed (EU, Australia/NZ), eating foods dyed with it can make stool appear green; if it persists without recent intake of dyed foods, consider speaking with a healthcare professional.