WIXLIB

SIGMA-ALDRICHsigma-aldrich.comSAFETY DATA SHEETVersion 3.7Revision Date 07/21/2016Print Date 01/12/20171. PRODUCT AND COMPANY IDENTIFICATION1.11.2Product identifiersProduct name:BenzilProduct NumberBrand::B5151AldrichCAS-No.:134-81-6Relevant identified uses of the substance or mixture and uses advised againstIdentified uses1.31.4:Laboratory chemicals, Synthesis of substancesDetails of the supplier of the safety data sheetCompany:Sigma-Aldrich3050 Spruce StreetSAINT LOUIS MO 63103USATelephoneFax:: 1 800-325-5832 1 800-325-5052Emergency telephone numberEmergency Phone #: 1-703-527-3887 (CHEMTREC)2. HAZARDS IDENTIFICATION2.1Classification of the substance or mixtureGHS Classification in accordance with 29 CFR 1910 (OSHA HCS)Skin irritation (Category 2), H315Eye irritation (Category 2A), H319For the full text of the H-Statements mentioned in this Section, see Section 16.2.2GHS Label elements, including precautionary statementsPictogramSignal wordWarningHazard statement(s)H315H319Causes skin irritation.Causes serious eye irritation.Precautionary statement(s)P264P280P302 P352P305 P351 P338P332 P313P337 P313P362Aldrich - B5151Wash skin thoroughly after handling.Wear protective gloves/ eye protection/ face protection.IF ON SKIN: Wash with plenty of soap and water.IF IN EYES: Rinse cautiously with water for several minutes. Removecontact lenses, if present and easy to do. Continue rinsing.If skin irritation occurs: Get medical advice/ attention.If eye irritation persists: Get medical advice/ attention.Take off contaminated clothing and wash before reuse.Page 1 of 7

2.3Hazards not otherwise classified (HNOC) or not covered by GHS - none3. COMPOSITION/INFORMATION ON neDibenzoylFormulaMolecular weightCAS-No.EC-No.::::C14H10O2210.23 g/mol134-81-6205-157-0Hazardous ilSkin Irrit. 2; Eye Irrit. 2A;H315, H319For the full text of the H-Statements mentioned in this Section, see Section 16. 100 %4. FIRST AID MEASURES4.1Description of first aid measuresGeneral adviceConsult a physician. Show this safety data sheet to the doctor in attendance.Move out of dangerous area.If inhaledIf breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.In case of skin contactWash off with soap and plenty of water. Consult a physician.In case of eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.If swallowedNever give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.4.2Most important symptoms and effects, both acute and delayedThe most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 114.3Indication of any immediate medical attention and special treatment neededNo data available5. FIREFIGHTING MEASURES5.1Extinguishing mediaSuitable extinguishing mediaUse water spray, alcohol-resistant foam, dry chemical or carbon dioxide.5.2Special hazards arising from the substance or mixtureNo data available5.3Advice for firefightersWear self-contained breathing apparatus for firefighting if necessary.5.4Further informationNo data available6. ACCIDENTAL RELEASE MEASURES6.1Personal precautions, protective equipment and emergency proceduresUse personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequateventilation. Avoid breathing dust.Aldrich - B5151Page 2 of 7

For personal protection see section 8.6.2Environmental precautionsDo not let product enter drains.6.3Methods and materials for containment and cleaning upPick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed containers fordisposal.6.4Reference to other sectionsFor disposal see section 13.7. HANDLING AND STORAGE7.1Precautions for safe handlingAvoid contact with skin and eyes. Avoid formation of dust and aerosols.Further processing of solid materials may resultin the formation of combustible dusts. The potential for combustible dust formation should be taken into considerationbefore additional processing occurs.Provide appropriate exhaust ventilation at places where dust is formed.For precautions see section 2.2.7.2Conditions for safe storage, including any incompatibilitiesKeep container tightly closed in a dry and well-ventilated place.7.3Specific end use(s)Apart from the uses mentioned in section 1.2 no other specific uses are stipulated8. EXPOSURE CONTROLS/PERSONAL PROTECTION8.1Control parametersComponents with workplace control parametersContains no substances with occupational exposure limit values.Hazardous components without workplace control parameters8.2Exposure controlsAppropriate engineering controlsHandle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end ofworkday.Personal protective equipmentEye/face protectionSafety glasses with side-shields conforming to EN166 Use equipment for eye protection tested and approvedunder appropriate government standards such as NIOSH (US) or EN 166(EU).Skin protectionHandle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (withouttouching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves afteruse in accordance with applicable laws and good laboratory practices. Wash and dry hands.Full contactMaterial: Nitrile rubberMinimum layer thickness: 0.11 mmBreak through time: 480 minMaterial tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)Splash contactMaterial: Nitrile rubberMinimum layer thickness: 0.11 mmBreak through time: 480 minMaterial tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)data source: KCL GmbH, D-36124 Eichenzell, phone 49 (0)6659 87300, e-mail sales@kcl.de, test method:EN374If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact thesupplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by anAldrich - B5151Page 3 of 7

industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. Itshould not be construed as offering an approval for any specific use scenario.Body ProtectionImpervious clothing, The type of protective equipment must be selected according to the concentration andamount of the dangerous substance at the specific workplace.Respiratory protectionFor nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher levelprotection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges. Use respirators andcomponents tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).Control of environmental exposureDo not let product enter drains.9. PHYSICAL AND CHEMICAL PROPERTIES9.19.2Information on basic physical and chemical propertiesa)AppearanceForm: crystallineColour: light yellow, dark yellowb)OdourNo data availablec)Odour ThresholdNo data availabled)pHNo data availablee)Melting point/freezingpointMelting point/range: 94 - 95 C (201 - 203 F) - lit.f)Initial boiling point andboiling rangeNo data availableg)Flash point180 C (356 F) - closed cuph)Evaporation rateNo data availablei)Flammability (solid, gas) No data availablej)Upper/lowerflammability orexplosive limitsNo data availablek)Vapour pressureNo data availablel)Vapour densityNo data availablem) Relative densityNo data availablen)Water solubilityNo data availableo)Partition coefficient: noctanol/waterNo data availablep)Auto-ignitiontemperatureNo data availableq)DecompositiontemperatureNo data availabler)ViscosityNo data availables)Explosive propertiesNo data availablet)Oxidizing propertiesNo data availableOther safety informationNo data available10. STABILITY AND REACTIVITY10.1ReactivityNo data availableAldrich - B5151Page 4 of 7

10.2Chemical stabilityStable under recommended storage conditions.10.3Possibility of hazardous reactionsNo data available10.4Conditions to avoidNo data available10.5Incompatible materialsStrong oxidizing agents10.6Hazardous decomposition productsHazardous decomposition products formed under fire conditions. - Carbon oxidesOther decomposition products - No data availableIn the event of fire: see section 511. TOXICOLOGICAL INFORMATION11.1Information on toxicological effectsAcute toxicityInhalation: No data availableDermal: No data availableNo data availableSkin corrosion/irritationSerious eye damage/eye irritationRespiratory or skin sensitisationNo data availableGerm cell mutagenicityNo data availableCarcinogenicityIARC:No component of this product present at levels greater than or equal to 0.1% is identified asprobable, possible or confirmed human carcinogen by IARC.NTP:No component of this product present at levels greater than or equal to 0.1% is identified as aknown or anticipated carcinogen by NTP.OSHA:No component of this product present at levels greater than or equal to 0.1% is identified as acarcinogen or potential carcinogen by OSHA.Reproductive toxicityNo data availableNo data availableSpecific target organ toxicity - single exposureNo data availableSpecific target organ toxicity - repeated exposureNo data availableAspiration hazardNo data availableAdditional InformationRTECS: DD1925000To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughlyinvestigated.12. ECOLOGICAL INFORMATION12.1ToxicityNo data availableAldrich - B5151Page 5 of 7

12.2Persistence and degradabilityNo data available12.3Bioaccumulative potentialNo data available12.4Mobility in soilNo data available12.5Results of PBT and vPvB assessmentPBT/vPvB assessment not available as chemical safety assessment not required/not conducted12.6Other adverse effectsNo data available13. DISPOSAL CONSIDERATIONS13.1Waste treatment methodsProductOffer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed professional wastedisposal service to dispose of this material.Contaminated packagingDispose of as unused product.14. TRANSPORT INFORMATIONDOT (US)Not dangerous goodsIMDGNot dangerous goodsIATANot dangerous goods15. REGULATORY INFORMATIONSARA 302 ComponentsNo chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302.SARA 313 ComponentsThis material does not contain any chemical components with known CAS numbers that exceed the threshold (DeMinimis) reporting levels established by SARA Title III, Section 313.SARA 311/312 HazardsAcute Health HazardMassachusetts Right To Know ComponentsNo components are subject to the Massachusetts Right to Know Act.Pennsylvania Right To Know ComponentsBenzilCAS-No.134-81-6Revision DateCAS-No.134-81-6Revision DateNew Jersey Right To Know ComponentsBenzilCalifornia Prop. 65 ComponentsThis product does not contain any chemicals known to State of California to cause cancer, birth defects, or any otherreproductive harm.Aldrich - B5151Page 6 of 7