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l�lateriai�ty Jcu'a Bisects Co.tecl�on.
<br /> ' Geniurn P�llshing Corporation
<br /> ® 1145 Catalyn Street Sheet No. 316
<br /> Schenectady,NY 12303-1836 USA Benzene
<br /> (s 18)377-8854
<br /> Issued 11178 Revision E, 8/90
<br /> ' Section L-Material Identification n n -x>`x >� � 32
<br /> Benzene(C.HJ Descriptlan•Derived by fractional distillation of coal tar,hydrodefd 1111ion of toluene or pyrolysis of R 1 NFPA
<br /> gasoline,catalytic reforming of petroleum,and transalkylation of toluene by disproportionation reaction.Used as a fuel,a I 4
<br /> chemical reagent, a solvent for a large number of materials such as ants,plastics,rubber,inks,oils,and fats,in manufac- S 2* 3
<br /> turuig phenol,ethylberizene(for styrene monomer),rutroberizerie(for annhne) dodecylbenzene(for detergents,cyclohex- K 4 Z 0
<br /> ane(for nylon),chlorobenzene,diphenyl,benzene hexachlonde,maleic anhydride,benzene-sulfomc acid, arti iciai leather, *$kin -
<br /> h note u i,oil cloth,varnishes,and lacquers,for printing and lithography,in dry cleaning,in adhesives and coatings,for absorption
<br /> extraction and rectification,as a degreasing agent,in the tine industry;and in shoe(&cranes Benzene has been banned as an HNUS
<br /> ingredient in products intended for household use and is no longer used in pesticides H 3
<br /> ' Other Deslgnatiom&CAS No 0071-43-2,benzol,carbon oil,coal naphtha.cyclohexatriene,mineral naphtha,iutration F 3
<br /> benzene,phene,phenyl hydride,pyrobenzol R 0
<br /> Manufacturer.Contact your supplier or distributor Consult the latest Chemicalweek Buyers'Gwdeml for a suppliers list ppGt
<br /> t Sec 8
<br /> Cautions Benzene is a confirmed human carcinogen by the IARC Chronic low-level exposure may cause cancer(leukemia)and bone
<br /> marrow damage,wish vyury to blood forming tissue It is also a dangerous fire hazard when exposed to heat or flame.
<br /> L St
<br /> Benzene,ca 1009o*
<br /> ' 1989 OSHA PELs 1989-90 ACGIH 198546 Toxicity Data#
<br /> (29 CFR 1910 1000,Table Z-1-A) TLV-TWA 10 ppm,32 mg/ml Man,oral,LDS 50 mg/kg,no toxic effect noted
<br /> 8 hr TWA 1 ppm.3 mg/ml Man,uihalattoN TCL. 150 ppm inhaled intermittently over
<br /> 15 mut STEL 5 ppm, IS mg/m3 1 yr in a number o discrete,separate doses affects the
<br /> blood(other changes)and nutritional and gross metabo-
<br /> lism
<br /> CFR 19101000,Table Z-2 1988 NIOSH RELs lbbi (body mg adrnmerature increase)
<br /> ( ) Rabbit,eye 2 mg admuustcred over 24 hr produces severe
<br /> 8-hr TWA 10 ppm TWA 01 ppm,03 mgfmi irritation
<br /> ' Acceptable Ceding Concentration.25 ppm Ceiling I ppm,3 mg.1mi
<br /> Acceptable Maximum Peak 50 ppm(10 mutt f
<br /> *OSHA 29 CFR 1910 1000,Subpart Z.steres that the final benzene standard in 29 CFR 1910 102S applies to all occupational exposures to benzene except in some
<br /> subsegments of industry where exposures arc consistently under the action level Cie disinbuucn and sale of fuels,se4cd conuu,crs and prpebnes,coke production
<br /> oil and gas drilling and production,natural gas processing,and the percentage exclusion for liquid mucttues) for the excepted subsegments,the benzene limits in
<br /> Table Z 2 apply
<br /> I Acsaptabie maximum peals above the acceptable ceiling concen tatton for an 84,r shift.
<br /> $[[+�S]eee NIOSH,RTECS(CY�/s�1�40070�0t0�){,.,for additional imtauve,mutative,reproductive,ttmiongmuc,and toxicity data. V V ^
<br /> t}C l.t!<V 1Jt >` 4fi D t$t v�vy 4,
<br /> Bolling Point: 176'F(80'C) Molecular Weight-78 11
<br /> Melting Point•42'F(55 5'C Specitic Gravity(15'C/4'C) 0 8787
<br /> ' Vapor Pressure 100 mm Hg at 79'F(26 1 'C) Water Solubility.Slightly(0180 g/100 g of HO at 25 'C)
<br /> Vapor Density(Air=1).27 %Volatile by volume:IW
<br /> Evaporation Rate(Ether=1):2 8 Viscosity 0 6468 mPa at 20'C
<br /> Appearance and Odor A colorless liquid with a characteristic sweet,aromatic odor The odor recognition threshold(100176 of panel)is approxi-
<br /> mately 5 ppm(unfatigued)in air Odor is not an adequate warning of hazard.
<br /> Set on .: ire and ExplosionData,
<br />' Flash Point: 12'F(-11 1 *C),CC Autoigttidon Temperature 928'F(498 'C) LEL 139'&v/v UEL 7 1%v/v
<br /> Extinguishltig Media Use dry chcmncal,foam,or carbon dioxide to extinguish benzenb fires Water may be ineffective as an extinguishing
<br /> agent since it can scatter and spread the fire Use water spray to cooI fire-exposed containers, flush spills away from exposures,disperse benzene
<br /> vapor, and pprrotea onnel anemptm to stop an unignited benzene leak-
<br />' Unusual Flre or�asion Hazards Benzene is a Class 1B flammable liquid.A concentration exceeding 3250 ppm is considered a potential
<br /> Fire explosion bazar $enzene vapor is heavier than air and can collect rn low lying areas or travel to an ignition source and flash back Explosive
<br /> and flammable benzene vapor-au rruxtures can easily form at room temperature Eliminate all ignition sources where benzene is used,handled,or
<br /> stored.
<br /> Special Fire-flght#tig Procedures Isolate hazard arca and deny entry Since fie may produce toxic fumes,wear&self self-contained breathing
<br /> s ia.rauu(SOBA)with a full faceptece oppe�rr��te I m the pressure-demand err positive-pressure mode and full protective equipment-Structural
<br /> irefighter's protective clothing provides Iirnrted protection Stay out of low areas Be aware of runoff from ire control methods Do not release to
<br /> scwcra or waterways Runoff to sewer can create pollution.fire and explosion hazard
<br /> S-6C IOTI J,. Peactivtty Data
<br />' Stability/Po[ymerIntion Benzene is stable at room temperatwe in closed containers tinder normal storage and handling conditions Hazardous
<br /> polymerization Cannot occur
<br /> Chemical Incompatibilities Benzene explodes on contact with diborane,permanganic acid,bromine Fentafluande,peroxodnsutfunc acid,and
<br />' peroxomonosulfuric acid 11,,grates on contact with dioxygen dilluoride,dioxygenyl tetrafluoroborane,iodine heptafluoridc, and sodium peroxide
<br /> +water Benzene forms sensitive,explosive mixture witthh iodine pcntafluonde,ozone, liquid oxygen,silver pzch]orate,rutrylchlorate,nitric
<br /> acid, and arsenic pentsRuonde+potassium meLhoxide(explodes above 30 Q A vigorous or incandescent reaction occurs wish bromine
<br /> trifluondc uranium hexafluonde and hydrogen+Raney ruckcl(above 410 F(210 C)] Benzene is incompauble with oxidizing matenals
<br /> Conditions to Avoid Avoid heat and ignition sources
<br />' Hazardous Products of Decompos[t[on Thermal oxidative decomposition of benzene can produce toxic gases and vapors such as carbon
<br /> monoxide
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