Cyclopentyl methyl ether

Liquid

760

Danger

H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]；H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]；H312 (32.2%): Harmful in contact with skin [Warning Acute toxicity, dermal]；H315 (62.6%): Causes skin irritation [Warning Skin corrosion/irritation]；H319 (95.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

P210, P233, P240, P241, P242, P243, P264, P264+P265, P270, P280, P301+P317, P302+P352, P303+P361+P353, P305+P351+P338, P317, P321, P330, P332+P317, P337+P317, P362+P364, P370+P378, P403+P235, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 115 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.；Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Cyclopentane, methoxy- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Cyclopentane, methoxy- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.

Status: Active Update: 30-07-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/26626；Status: Active Update: 29-04-2015 https://echa.europa.eu/registration-dossier/-/registered-dossier/6163

Cyclopentyl methyl ether (CPME)

D: Other compounds that may form peroxides

1 ppm open new bottle, 3-10 ppm after 3 hours of air sparging and uv light on a 5 mL sample in a 50 mL flask.； 683 days to reach 100 ppm, 20 mL of sample in a brown 65 mL bottle

Watanabe et al - Org. Process Res. Dev.

Peroxide formation is slow (based on literature studies), but the reagent is still inhibited with BHT to provent possible peroxide formation.

https://doi.org/10.1021/op0680136；https://doi.org/10.1246/cl.2008.774

Flam. Liq. 2 (100%)；Acute Tox. 4 (100%)；Acute Tox. 4 (32.2%)；Skin Irrit. 2 (62.6%)；Eye Irrit. 2 (95.7%)

Flam. Liq. 2 (100%)；Acute Tox. 4 (98%)；Skin Irrit. 2 (100%)；Eye Irrit. 2 (100%)；Aquatic Chronic 3 (37.3%)

Cyclopentane, methoxy- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Cyclopentane, methoxy- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.

Status: Active Update: 30-07-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/26626；Status: Active Update: 29-04-2015 https://echa.europa.eu/registration-dossier/-/registered-dossier/6163

2023: <75,000 lb；2022: <75,000 lb；2021: <75,000 lb；2020: <75,000 lb

Fragrance

Not Known or Reasonably Ascertainable；Fragrance

All Other Chemical Product and Preparation Manufacturing；Other (requires additional information)

Cyclopentane, methoxy-: ACTIVE