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BUTANE

Score:

Data: Good

  • Other Concerns
  • Functions
  • About the Chemical
  • Synonyms
  • Use restrictions (moderate), Non-reproductive organ system toxicity (moderate), Multiple, additive exposure sources (low), Irritation (skin, eyes, or lungs) (moderate), and Contamination concerns (high)

Cancer

Cancer concern is LOW

Developmental & Reproductive Toxicity

Developmental & reproductive toxicity concern is LOW

Allergies & Immunotoxicity

Allergies & immunotoxicity concern is MODERATE

Products with this Ingredient

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shampoo34 products
hair color and bleaching24 products
antiperspirant/deodorant15 products
antiperspirant/deodorant (men's)8 products
body spray8 products
hair spray6 products
styling mousse/foam4 products
bubble bath3 products
hair-loss treatment2 products
hair treatment/serum2 products
fragrance for women1 products
conditioner1 products
moisturizer1 products
shaving cream1 products
fragrance for men1 products
hair styling aide1 products

Contamination concerns

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Chemical
BUTADIENE

Allergies/immunotoxicity

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Concern Reference
Human any toxicant or allergen - strong evidenceJACT 1(4):127-42, 1982 confirmed 06/02 IJT 24(S1):52-55, 2005

Irritation (skin, eyes, or lungs)

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Concern Reference
Human any irritant - strong evidenceJACT 1(4):127-42, 1982 confirmed 06/02 IJT 24(S1):52-55, 2005

Organ system toxicity (non-reproductive)

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Concern Reference
Classified as a high human health priorityEnvironment Canada Domestic Substance List
Classified as expected to be toxic or harmfulEnvironment Canada Domestic Substance List

Use restrictions

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Concern Reference
Restricted in cosmetics (recommendations or requirements) - use, concentration, or manufacturing restrictions - Use is restricted in Canadian cosmeticsCanada - Prohibited and Restricted Cosmetics Ingredients

Multiple, additive exposure sources

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Concern Reference
Used in food or as an additive with limited or no toxicity information availableFDA Everything Added to Food
Designated as safe for general or specific, limited use in foodJACT 1(4):127-42, 1982 confirmed 06/02 IJT 24(S1):52-55, 2005

Data gaps

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Concern Reference
Risk assessment method deficiencies and data gaps - Maximum reported "as used" concentration is basis of safety assessment by industry safety panel (Cosmetic Ingredient Review, CIR) - implicit safe concentration limit in productJACT 1(4):127-42, 1982 confirmed 06/02 IJT 24(S1):52-55, 2005
16567 studies in PubMed science library may include information on the toxicity of this chemicalNLM PubMed

Miscellaneous

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Concern Reference
Occupational hazards related to handlingCPS&Q - Classification & Labelling

Ecotoxicology

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Concern Reference
Not suspected to be an environmental toxinEnvironment Canada Domestic Substance List

Informational

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Concern Reference
Industry or government recommendations for safe use: restrictions on concentration, impurities, product types, or manufacturing methods - anyJACT 1(4):127-42, 1982 confirmed 06/02 IJT 24(S1):52-55, 2005

Persistence and bioaccumulation

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Concern Reference
Not suspected to be bioaccumulativeEnvironment Canada Domestic Substance List

Data Sources

  • JACT 1(4):127-42, 1982 confirmed 06/02 IJT 24(S1):52-55, 2005
  • EC (Environment Canada). 2008. Domestic Substances List Categorization. Canadian Environmental Protection Act (CEPA) Environmental Registry.
  • Health Canada. 2007. List of Prohibited and Restricted Cosmetic Ingredients. Canada's Cosmetic Ingredient Hotlist. March 2007.
  • FDA (U.S. Food and Drug Administration). 2008. EAFUS [Everything Added to Food]: A Food Additive Database. FDA Office of Food Safety and Applied Nutrition.
  • NLM (National Library of Medicine). 2012. PubMed online scientific bibliography data. http://www.pubmed.gov.
  • CPS&Q (Consumer Products Safety & Quality) formely known as ECB (European Chemicals Bureau). 2008. Classification and Labelling: Chemicals: Annex VI of Directive 67/548/EEC through the 31st ATP.

About this Ingredient's Score Range

  • This ingredient’s score is higher if used in products intended for use around the eyes due to increased risk of absorption.
  • This ingredient’s score is higher if used in products that are inhalable (e.g., sprays, powders) because of respiratory concerns.
  • Products with the EWG VERIFIED mark have met the program’s impurity and use restrictions based on EWG's review of the company's data.

ABOUT THE SKIN DEEP® RATINGS

EWG provides information on personal care product ingredients from the published scientific literature, to supplement incomplete data available from companies and the government. The ratings below indicate the relative level of concern posed by exposure to the ingredients in this product - not the product itself - compared to other product formulations. The ratings reflect potential health hazards but do not account for the level of exposure or individual susceptibility, factors which determine actual health risks, if any. Learn more | Legal Disclaimer

ABOUT EWG VERIFIED™

Beyond providing Skin Deep® as an educational tool for consumers, EWG offers its EWG VERIFIED™ mark as a quick and easily identifiable way of conveying personal care products that meet EWG's strict health criteria. Before a company can use EWG VERIFIED™ on such products, the company must show that it fully discloses the products' ingredients on their labels or packaging, they do not contain EWG ingredients of concern, and are made with good manufacturing practices, among other criteria. Note that EWG receives licensing fees from all EWG VERIFIED™ member companies that help to support the important work we do. Learn more | Legal Disclaimer