2,3-Dimethyl-2,3-diphenylbutane structure
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Common Name | 2,3-Dimethyl-2,3-diphenylbutane | ||
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CAS Number | 1889-67-4 | Molecular Weight | 238.36700 | |
Density | 0.95 g/cm3 | Boiling Point | 306.1ºC at 760 mmHg | |
Molecular Formula | C18H22 | Melting Point | 90-110 °C | |
MSDS | N/A | Flash Point | 142.7ºC |
Use of 2,3-Dimethyl-2,3-diphenylbutane2,3-Dimethyl-2,3-diphenylbutane is one of the decomposition of Dicumylperoxide (DCP). Diallyl orthophthalate (DAOP) is a reactive plasticizer initiated by 2,3-dimethyl-2,3-diphenylbutane for improving polyphenylene oxide (PPO) processing[1][2]. |
Name | (2,3-dimethyl-3-phenylbutan-2-yl)benzene |
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Synonym | More Synonyms |
Description | 2,3-Dimethyl-2,3-diphenylbutane is one of the decomposition of Dicumylperoxide (DCP). Diallyl orthophthalate (DAOP) is a reactive plasticizer initiated by 2,3-dimethyl-2,3-diphenylbutane for improving polyphenylene oxide (PPO) processing[1][2]. |
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Related Catalog | |
References |
Density | 0.95 g/cm3 |
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Boiling Point | 306.1ºC at 760 mmHg |
Melting Point | 90-110 °C |
Molecular Formula | C18H22 |
Molecular Weight | 238.36700 |
Flash Point | 142.7ºC |
Exact Mass | 238.17200 |
LogP | 4.94200 |
Vapour Pressure | 0.00143mmHg at 25°C |
Index of Refraction | 1.5531 (23ºC) |
Storage condition | Refrigerator (+4°C) |
Synonym:None Known Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated. Potential Health Effects Eye: Non-irritating to the eyes. Skin: Non-irritating to the skin. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed. Inhalation: May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. May be harmful if inhaled. Chronic: No information found. Section 4 - FIRST AID MEASURES Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Skin: In case of contact, flush skin with plenty of water. Remove contaminated clothing and shoes. Get medical aid if irritation develops and persists. Wash clothing before reuse. Ingestion: Call a poison control center. If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Get medical aid. Inhalation: If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Treat symptomatically and supportively. Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Storage: Store in a tightly closed container. Store in a dry area. Keep refrigerated. (Store below 4C/39F.) Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 1889-67-4: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Flakes Color: white to yellow Odor: faint odor pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 90 - 110 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Insoluble. Specific Gravity/Density: Molecular Formula: C18H22 Molecular Weight: 238.37 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not currently available. Conditions to Avoid: Dust generation. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 1889-67-4 unlisted. LD50/LC50: Not available. Carcinogenicity: 2,3-Dimethyl-2,3-diphenylbutane - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 1889-67-4: No information available. Canada CAS# 1889-67-4 is listed on Canada's NDSL List. CAS# 1889-67-4 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 1889-67-4 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A |
Hazard Codes | T+ |
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Risk Phrases | R28:Very Toxic if swallowed. |
Safety Phrases | 24/25 |
RIDADR | UN 2811 6.1/PG 2 |
WGK Germany | 3 |
RTECS | MV1407370 |
Packaging Group | I; II; III |
Hazard Class | 6.1 |
HS Code | 2902909090 |
Precursor 10 | |
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DownStream 10 | |
HS Code | 2902909090 |
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Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
2,3-diphenylbutane |
Butane,2,3-dimethyl-2,3-diphenyl |
(2,3-Dimethylbutane-2,3-diyl)dibenzene |
2,3-Dimethyl-2,3-diphenylbutane |
EINECS 217-568-2 |
Dicumene |
MFCD00053713 |
bis-1,1'-(1,2,2,2-tetramethyl-1,2-ethanediyl)-benzene |
Benzene,1,1'-(1,1,2,2-tetramethyl-1,2-ethanediyl)bis |
2,3-diphenyl-2,3-dimethylbutane |