HuagongsheHuagongshe Chemistry Print Report · For research reference only
Cyclohexanone peroxide
Cyclohexanone peroxi · CYCLOHEXANONE PEROXIDE · Cyclohexanone peroxide solution · 1,1'-Peroxybis(1-hydroperoxycyclohexane) · 1-HYDROPEROXYCYCLOHEXYL-1-HYDROXY CYCLOHEXYL PEROXIDE · CYCLOHEXANONE PEROXIDE, TECH., 50% IN DI OCTYL PHTHALATE · 1-Hydroperoxycyclohexyl-1-hydroxycyclohexyl peroxide 12262-58-7

Identifiers & Physical Properties
| CAS No. | 12262-58-7 |
|---|---|
| Molecular formula | C12H22O5 |
| Average molar mass | 246.3 g/mol |
| Monoisotopic mass | 246.1467238 g/mol |
| SMILES | OOC1(OOC2(O)CCCCC2)CCCCC1 |
| InChIKey | UICXTANXZJJIBC-UHFFFAOYSA-N |
| PubChem CID | 6521 |
| EC No. | 201-091-1 |
| DTXSID | DTXSID9058812 |
Chemical & Physical Properties
| XLogP | 2.3 |
|---|---|
| Topological polar surface area | 68.2 |
| Hydrogen bond donors | 2 |
| Hydrogen bond acceptors | 5 |
| Rotatable bonds | 4 |
| Heavy atoms | 17 |
| Formal charge | 0 |
| Complexity | 231 |
| Chemical classes | Other Classes -> Peroxides, Organic |
| Density | 1.05 at 68 °F (USCG, 1999) - Denser than waterwill sink1.15[at 20℃] |
| Color/Form | Grayish paste |
| Solubility | OFF-WHITE THICK PASTEINSOL IN WATERSOL IN COMMON ORG SOLVENTS /PASTE WITH DIBUTYL PHTHALATE/Insoluble in watersoluble in most organic solvents9.3g/L at 25℃ |
| Flash point | 315 °F Combustible solution) (dibutyl phthalate) (USCG, 1999) |
| Melting point | 76-77 °C65-70 °C |
| Vapor pressure | 0.00000071 [mmHg]2.16Pa at 25℃ |
| Physical Description | Cyclohexanone peroxide, not more than 72% in solution is a white solid dissolved in some unkown organic solvent. Responders should try to identify the solvent being used. Solvent is added to lessen explosion hazard.1-hydroxy-1'-hydroperoxy dicyclohexyl peroxide is an odorless thick white liquid. Sinks in water. (USCG, 1999)Odorless thick white liquid or paste[CAMEO] Moist white solid[MSDSonline] |
| Autoignition temperature | 757 °F (USCG, 1999) |
| LogP (partition coefficient) | 1.2 at 29℃ |
| FDA UNII | 3P1S15N7AV |
| EPA Substance Registry System | Cyclohexanone, peroxide (12262-58-7) |
| GHS pictogram | GHS02,GHS05,GHS07 |
| Signal word | Danger |
| GHS hazard statements | H242-H302-H314 |
| GHS precautionary statements | P210-P234-P235-P240-P280-P264-P270-P260-P370+P378-P301+P312-P330-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P305+P351+P338-P403-P410-P411-P420-P405-P501 |
| Hazard symbols | E,T |
| Risk statements (R) | 60-61-3-7-22-34 |
| Safety statements (S) | 53-3/7-14-26-35-36/37/39-45 |
| UN transport number | UN 2117/2118/2119/2896 |
| TSCA inventory status | TSCA listed |
| REACH registrations | Active |
Safety & Regulations
| GHS classification | DangerH240: Heating may cause an explosion [Danger Self-reactive substances and mixturesOrganic peroxides]P210, P234, P235, P240, P260, P264, P270, P280, P301+P317, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P330, P363, P370+P372+P380+P373, P403, P405, P410, P411, P420, and P501 (click each P-code to see the statement) |
|---|---|
| Regulatory information | Chemical: Cyclohexanol, 1-[(1-hydroperoxycyclohexyl)dioxy]-Chemical: Cyclohexanone, peroxideCyclohexanone, peroxide is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Cyclohexanone, peroxide 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)REACH registered substance: Cyclohexanone, peroxide (EC: 235-527-7)Cyclohexanone peroxide, 30-60%, 30-60% dibutyl phthalate, 10-30% ethyl acetate: Does not have an individual approval but may be used under an appropriate group standardCyclohexanone peroxide, >25% in a non hazardous diluent: Does not have an individual approval but may be used under an appropriate group standard |
| DOT label | Organic Peroxide |
| Fire hazards | Excerpt from ERG Guide 145 [Organic Peroxides (Heat and Contamination Sensitive)]:Behavior in Fire: May explode (USCG, 1999) |
| Fire potential | DANGEROUS /FIRE HAZARD/ BY CHEM REACTION WITH REDUCING AGENTS OR EXPOSURE TO HEAT. THEY ARE POWERFUL OXIDIZERS. /PEROXIDES, ORG/ALTHOUGH FLASHPOINTS OF MOST ORG PEROXIDES ARE NOT EXCEPTIONALLY LOW, WHEN IGNITED THEY BURN MORE FURIOUSLY THAN CORRESPONDING FLAMMABLE LIQ NOT CONTAINING THE PEROXY LINKAGE. ORG PEROXIDES CONTAIN SUFFICIENT AVAILABLE OXYGEN TO SUPPORT THEIR OWN COMBUSTION IN...ABSENCE OF ATMOSPHERIC OXYGEN. /PEROXIDES, ORG/ |
| Health hazards | Excerpt from ERG Guide 145 [Organic Peroxides (Heat and Contamination Sensitive)]:Irritates eyes and skin on contact. Ingestion causes irritation of mouth and stomach. (USCG, 1999) |
| Hazards summary | Water is added to paste to decrease explosion hazard |
Applications & Uses
Uses
1-Hydroperoxycyclohexyl-1-hydroxycyclohexyl peroxide is used as a crosslinking agent and initiator in the synthesis of rubber and plastics, and also as a curing agent for hand lay-up FRP products, castings and coated products.
General Description
White solid dissolved in some unkown organic solvent. Responders should try to identify the solvent being used. Solvent is added to lessen explosion hazard.