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Intro

Mat

Safe

Pre

duction

Verifyyo

rials

Erlenmey Water,ta Beralpip ButanesyPrecautio

Ethylene

splashgo

andwate

abQuestion

) Accordin

) Howishe

) Define: f

) Define: s

) Areanyo

) Intheev

) Whatpro

) Define: s

) Whichch

0)Whatare

canaccurat

erflask,500

p

t,graduated

fetylighter

s

ichloride,he

ggles,chemi

rbeforeleav

s

totheMSD

xanecleane

ashpoint.

oluble. Iseth

fthesechem

ntof(intern

ductsarefor

ecificgravit

emicalswillr

someofthe

elyuseanM

mL

xanes,andis

alresistant

ngthelabor

,whatshoul

upfollowin

hatisthefla

ylenedichlo

icalsflamma

l)ingestion

medbythed

. Whatisth

eactwithiso

chroniceffec

DSsheetwi

Mate

Watc

Myst

isopr

opropylalco

loves,anda

tory. Follow

dyoudoify

anaccident

shpointofis

idesolublei

le? Ifyes,

fisopropyl

ecompositio

especificgra

ropylalcoh

tsofexposur

7

hthisinquir

rialSafetyD

hglass

rychemical,

pylalcohol)

olareall la

chemicalres

alllaborato

ugetethyle

alspill?

opropylalco

water?

hichone(s)?

lcohol,what

ofhexanes

vityofethyl

l?

etoethylen

basedlabt

taSheets(Fl

2mL(either

mmableliqui

istantapron.

ysafetygui

nedichloride

ol?

shouldyou

?

nedichlorid

dichloride?

correctlyid

innMSDSLo

ethylenedic

dsandpose

Washhand

elines.

inyoureyes

oaccording

?

entifyamyst

kupOnline

hloride,hexa

firerisk.W

thoroughly

?

toMSDS?

erychemical

)

ne,or

earchemical

withsoap

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8

LabProcedure1. UsingaBeralpipet,add2mLofthemysterychemicaltoaclean500mLErlenmeyerflaskthenfillwithwater.2. Usingabutanesafetylighter,lightthemixtureonfire.3. PlaceawatchglassoverthetopoftheErlenmeyerflasktoextinguishthefire.4. DistributeMSDSsheetsforthefollowingchemicalsethylenedichloride,hexanes,andisopropylalcohol.5. UsetheinformationontheMSDSsheetstodeterminetheidentityofthemysterychemicalandjustifyyour

answerinwriting.

Observations Recordanyobservationsfromthedemo:

DiscussionQuestions1. Howdidtheamountofmysterychemicalcomparewiththeamountofwaterintheflask?

2. Basedonthedemonstrationyoujustwatched,whatthingsMUSTbetrueofthemysterychemical? Explain.

3. Inwhichsection(s)oftheMSDSsheetisthisinformationfound?

4. Whatisthemysterychemical? Explainhowyouwereabletoeliminatetheothertwochemicalsandsolveforthe

identity

of

the

mystery

chemical.

Refer

to

specific

information

from

the

Material

Safety

Data

Sheets.