BioSciences - Polysciences, Inc.
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BioSciences - Polysciences, Inc.

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17. Ratio of Mw/Mn where available<br />

18. Soluble in: MEK - methyl ethyl ketone<br />

MDC - dichloromethane<br />

DMF - dimethyl formamide<br />

THF - tetrahydrofuran<br />

DMSO - dimethyl sulfoxide<br />

NMP - N-methylpyrrolidinone<br />

19. Emiss max: Emission maximum in nm<br />

Exc max: Excitation maximum in nm<br />

l max: Absorption maximum in nm<br />

20. WPE: weight per epoxide<br />

21. FP: flash point in ° C<br />

Hazard Codes<br />

A Harmless–use normal precautions<br />

B Corrosive<br />

C Flammable liquid<br />

D Flammable solid<br />

E Combustible<br />

F Organic peroxide<br />

G Oxidizer<br />

H Irritant<br />

International Icon / Equivalent <strong>Polysciences</strong> Code<br />

C D E L M P R S<br />

V W X<br />

Handling Codes<br />

2 Exercise normal care in handling<br />

3 Gloves<br />

4 Gloves & chemical goggles<br />

Storage Codes<br />

a Protect from light<br />

b Protect from moisture<br />

c Handle under dry nitrogen<br />

d Store at 4°C<br />

e Store below 0°C<br />

f Store below -20°C<br />

g Store at room temperature<br />

I Lachrymator<br />

J Monomer<br />

K Hygroscopic<br />

L Pyrophoric<br />

M Suspected carcinogen<br />

N Vesicant<br />

O Skin sensitizer<br />

P Poison (Ingestion)<br />

F G I N D H B<br />

5 Gloves & fume hood<br />

6 Gloves, chemical goggles & fume<br />

hood–no chemical mask<br />

h Nuisance dust<br />

k Stench<br />

m Do not permit to freeze<br />

n Allow to come to room<br />

temperature before opening<br />

p Explosive when dry<br />

r Store at -70° C<br />

Using This Catalog<br />

22. pH: negative logarithm of hydrogen ion<br />

concentration<br />

pK: negative logarithm of dissociation constant<br />

23. Viscosity Units:<br />

CPS - centipoise at 25° C<br />

unless specified otherwise<br />

AQ - aqueous<br />

CST - centistokes<br />

24. Conductivity Units: Siemens/centimeter<br />

25. TLC: thin layer chromatography<br />

26. HLB: Hydrophilic lipophilic balance<br />

27. C.I.: Color index number<br />

R Poison (Absorption)<br />

S Poison (Inhalation)<br />

T Gas, inert<br />

U Unknown<br />

V Toxic (Ingestion)<br />

W Toxic (Absorption)<br />

X Toxic (Inhalation)<br />

Y Special<br />

7 Gloves, chemical goggles &<br />

chemical mask or hood<br />

s Long term storage at 4° C<br />

w Refrigerate on arrival; do not freeze<br />

x Cold pack shipment<br />

z Dry ice shipment<br />

For more information please call (800) 523-2575 or visit: polysciences.com iii

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