CAS 100-42-5
Is Styrene banned where you sell?
5 markets have rules for it. Selling something that contains it? Check it free, no account needed.
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Status
Status by market
Banned, limited, needs a warning, or no rule we know of. US states also follow federal rules, shown in their own row.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025; Packaged food and beverages: 7 Oct 2026; Consumer electronics and small appliances: 1 Jan 2025; Batteries, e-bikes and power banks: 1 Oct 2026), and this doesn't mean it's allowed.
For Cosmetics and personal care: Banned. Takes effect 1 Jan 2027.
“commencing January 1, 2027, no person or entity shall manufacture, sell, deliver, hold, or offer for sale in commerce any cosmetic product that contains any of the following intentionally added ingredients:”
Warning required when exposure exceeds the threshold (NSRL (µg/day): 27). In force since 22 Apr 2017.
- Chemical
- Styrene
- Type of toxicity
- cancer
- Listed by
- an authoritative body (AB)
- CAS No.
- 100-42-5
- Date listed
- 22 Apr 2016
- NSRL or MADL (µg/day)
- 27
Prop 65 list row: Styrene · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025; Batteries, e-bikes and power banks: 16 Sep 2023), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: not covered; Consumer electronics and small appliances: 1 Jan 2025), and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
For Cosmetics and personal care: Banned. Takes effect 1 Jul 2027.
“(15) styrene (CAS 100-42-5); (16) octamethylcyclotetrasiloxane (CAS 556-67-2); and (17) toluene (CAS 108-88-3).”
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
For Cosmetics and personal care: Banned. In force, start date unknown.
From the consolidated text: Styrene · 100-42-5 · 202-851-5
Annex II entry 1575 · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)For Cosmetics and personal care: Banned. In force, start date unknown.
From the official list: Styrene · 100-42-5 · 202-851-5
Annex II entry 1575 · fetched 2026-10-10
The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab)We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 12 Jul 2024; Packaged food and beverages: 1 Apr 2026; Consumer electronics and small appliances: 3 Sep 2026; Batteries, e-bikes and power banks: 1 Sep 2026), and this doesn't mean it's allowed.
For Kitchen and Tableware and drinkware: Limit 5000 mg/kg (content basis). In force under the consolidated notice effective 27 Mar 2026; earlier versions are not in our data.
“휘발성물질 (스티렌, 톨루엔, 에틸벤젠, 5,000 이하 이소프로필벤젠 및 n-프로필벤젠의 합)”
For Kitchen and Tableware and drinkware: Limit 5000 mg/kg (content basis). In force under the consolidated notice effective 27 Mar 2026; earlier versions are not in our data.
“5,000 이하 휘발성물질 (다만, 열탕을 사용하는 발포”
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025; Packaged food and beverages: 7 Oct 2026; Consumer electronics and small appliances: 1 Jan 2025; Batteries, e-bikes and power banks: 1 Oct 2026), and this doesn't mean it's allowed.
- Status
- Warning required
- Requirement, dates and source
For Cosmetics and personal care: Banned. Takes effect 1 Jan 2027.
“commencing January 1, 2027, no person or entity shall manufacture, sell, deliver, hold, or offer for sale in commerce any cosmetic product that contains any of the following intentionally added ingredients:”
HSC 108980(b) (excerpt) · fetched 2026-10-08California Legislature: Cal. Health & Safety Code 108980-108985.7(opens in a new tab) Warning required when exposure exceeds the threshold (NSRL (µg/day): 27). In force since 22 Apr 2017.
- Chemical
- Styrene
- Type of toxicity
- cancer
- Listed by
- an authoritative body (AB)
- CAS No.
- 100-42-5
- Date listed
- 22 Apr 2016
- NSRL or MADL (µg/day)
- 27
Prop 65 list row: Styrene · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025; Batteries, e-bikes and power banks: 16 Sep 2023), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: not covered; Consumer electronics and small appliances: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
- Status
- Not in force
- Requirement, dates and source
For Cosmetics and personal care: Banned. Takes effect 1 Jul 2027.
“(15) styrene (CAS 100-42-5); (16) octamethylcyclotetrasiloxane (CAS 556-67-2); and (17) toluene (CAS 108-88-3).”
9 V.S.A. 2494b(a)(15)-(17) (Act 131 Sec. 2) · fetched 2026-10-08Vermont Legislature / Attorney General: 9 V.S.A. 2494a-2494c (2024 Act 131 Sec. 1-2)(opens in a new tab)
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 1 Jan 2025), and this doesn't mean it's allowed.
- Status
- Banned
- Requirement, dates and source
For Cosmetics and personal care: Banned. In force, start date unknown.
From the consolidated text: Styrene · 100-42-5 · 202-851-5
Annex II entry 1575 · fetched 2026-10-09
European Commission / Publications Office (CELLAR): Reg. (EC) 1223/2009 Annexes II-VI(opens in a new tab)
- Status
- Banned
- Requirement, dates and source
For Cosmetics and personal care: Banned. In force, start date unknown.
From the official list: Styrene · 100-42-5 · 202-851-5
Annex II entry 1575 · fetched 2026-10-10
The National Archives (legislation.gov.uk): Reg. (EC) 1223/2009 (retained) Annexes II-VI(opens in a new tab)
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025 (Home and kitchen goods: 1 Jan 2025; Cosmetics and personal care: 12 Jul 2024; Packaged food and beverages: 1 Apr 2026; Consumer electronics and small appliances: 3 Sep 2026; Batteries, e-bikes and power banks: 1 Sep 2026), and this doesn't mean it's allowed.
- Status
- Limited
- Requirement, dates and source
For Kitchen and Tableware and drinkware: Limit 5000 mg/kg (content basis). In force under the consolidated notice effective 27 Mar 2026; earlier versions are not in our data.
“휘발성물질 (스티렌, 톨루엔, 에틸벤젠, 5,000 이하 이소프로필벤젠 및 n-프로필벤젠의 합)”
Ⅴ. 1. 1-3 나. 2) 잔류규격 · fetched 2026-10-08Ministry of Food and Drug Safety / National Law Information Center: 식품의약품안전처 고시 제2026-24호 (2026-03-27), 식품위생법 제9조제1항(opens in a new tab) For Kitchen and Tableware and drinkware: Limit 5000 mg/kg (content basis). In force under the consolidated notice effective 27 Mar 2026; earlier versions are not in our data.
“5,000 이하 휘발성물질 (다만, 열탕을 사용하는 발포”
Ⅴ. 1. 1-3 마. 2) 잔류규격 · fetched 2026-10-08Ministry of Food and Drug Safety / National Law Information Center: 식품의약품안전처 고시 제2026-24호 (2026-03-27), 식품위생법 제9조제1항(opens in a new tab)
California
Prop 65 listing
California's list of chemicals known to cause cancer or reproductive harm.
- Listing
- Listed 2016-04-22 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.
- Warning applies from
- 22 Apr 2017
- Requirement
- Warning required when exposure exceeds the threshold (NSRL (µg/day): 27)
- Warning wording
- This product can expose you to Styrene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
- Chemical
- Styrene
- Type of toxicity
- cancer
- Listed by
- an authoritative body (AB)
- CAS No.
- 100-42-5
- Date listed
- 22 Apr 2016
- NSRL or MADL (µg/day)
- 27
Prop 65 list row: Styrene · fetched 2026-10-08
California OEHHA: 27 CCR 27001(opens in a new tab)Groups
Group memberships
Groups that name this substance. Markets define groups like PFAS in different ways.
Banned cosmetic ingredients from 2027 in California (US state): The ingredients of Health and Safety Code 108980(b) (30 numbered entries incl. lily aldehyde, acetaldehyde, cyclohexylamine, cyclotetrasiloxane, phytonadione, sodium perborate, styrene, trichloroacetic acid, tricresyl phosphate, vinyl acetate, boron substances, listed dyes and nitro musks) when intentionally added to a cosmetic product, from 2027-01-01.
“no person or entity shall manufacture, sell, deliver, hold, or offer for sale in commerce any cosmetic product that contains any of the following intentionally added ingredients:”
HSC 108980(b) (excerpt) · fetched 2026-10-08California Legislature: HSC 108980(b)(opens in a new tab) Banned chemicals in cosmetics from 2027 in Vermont (US state): Styrene (CAS 100-42-5), octamethylcyclotetrasiloxane (CAS 556-67-2) and toluene (CAS 108-88-3) added to 9 V.S.A. 2494b(a) as items (15)-(17) by Act 131 Sec. 2.
“(15) styrene (CAS 100-42-5); (16) octamethylcyclotetrasiloxane (CAS 556-67-2); and (17) toluene (CAS 108-88-3).”
9 V.S.A. 2494b(a)(15)-(17) (Act 131 Sec. 2) · fetched 2026-10-08Vermont Legislature / Attorney General: 9 V.S.A. 2494b(a)(15)-(17) (Act 131 Sec. 2)(opens in a new tab) Volatile aromatics: styrene, toluene and others (sum) in South Korea: Sum of styrene, toluene, ethylbenzene, isopropylbenzene and n-propylbenzene (volatile substances residue).
“휘발성물질 (스티렌, 톨루엔, 에틸벤젠, 5,000 이하 이소프로필벤젠 및 n-프로필벤젠의 합)”
Ⅴ. 1. 1-3 나. ABS 2) 잔류규격 · fetched 2026-10-08Ministry of Food and Drug Safety / National Law Information Center: Ⅴ. 1. 1-3 나. ABS 2) 잔류규격(opens in a new tab)
Records
Recalls and alerts
Recalls, safety alerts and Prop 65 notices that name Styrene, with a link to the original. A Prop 65 notice is a claim by the sender, not a ruling.
No records in our feeds
No Prop 65 notice, EU Safety Gate alert or CPSC recall has named Styrene since January 2023. Other agencies may still have acted.
See also
Related
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