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Buffer Chemicals

Buffer Chemicals

 

 


 

Borax, Sodium Borate, Reagent, A.C.S.

(Sodium Tetraborate, Decahydrate)

 

CAS # Chemical Formula F.W
1303-96-4

Na2B4O7.10H2O

381.37
Catalog # Description Qty

0174

Borax, Sodium Borate

500g

 

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s-Collidine, Reagent

2,4,6-Collidine:2,4,6-Trimethylpyridine

 

Purified for electron microscopy. This is a stable buffer for
use with Osmium Tetroxide or other fixative.
 

CAS # Chemical Formula F.W
108-75-8 (C5H2N)(CH3)3 121.18
Catalog # Description Qty
018 s-Collidine, reagent 100ml

 

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s-Collidine Buffer Kit

2,4,6-Trimethylpyridine

 Very stable buffer  ā—  Provides excellent fixation  ā—  Easy to make
Pour 9ml of 2N HCl, add 5.34ml of s-Collidine, mix well and
add distilled H2O up to 200 ml for a pH 7.4 solution.

 1 kit consists of: 5.34 ml s-Collidine and
9.0 ml of 2N HCl

CAS # F.W
108-75-8 121.18
Catalog # Description Qty
018-1 s-Collidine Buffer kit, 1 kit
018-10 s-Collidine Buffer kit, 5 kit/pkg

 

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Sodium Cacodylate

Sodium Cacodylate

Sodium Cacodylate Sodium Salt Trihydrate

Sodium dimethyl arsenate

Sodium Cacodylate is an excellent buffer for EM
fixatives.

Sabatini,et.al.,J.Cell Biology
17,19 (1963)

 

 

CAS # Chemical Formula F.W
124-65-2 C2H6AsNaO3.3H2O 214.02
Catalog # Description Qty
019 Sodium Cacodylate 100g

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Sodium Acetate Trihydrate Reagent

A.C.S

 

CAS # Chemical Formula F.W
6131-90-4 CH3COONa.3H2O 136.08
Catalog # Description Qty
0191 Sodium Acetate, Trihydrate 500g

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Sodium Bicarbonate

Powder, Reagent, A.C.S.
 

CAS # Chemical Formula F.W
144-55-8 NaHCO3  84.01
Catalog # Description Qty
189 Sodium Bicarbonate 500g

 


Sodium Hydroxide

Pellets, Reagent, A.C.S.

 

CAS # Chemical Formula F.W
1310-73-2 NaOH 40.00
Catalog # Description Qty
0194 Sodium Hydroxide, pellets 500g

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Sodium Phosphate, Dibasic

Heptahydrate, Reagent, A.C.S
 

CAS # Chemical Formula F.W
7782-85-6 Na2HPO4.7H2O  268.07
Catalog # Description Qty
0192 Sodium Phosphate, dibasic 500g

 


Sodium Phosphate, Monobasic

Hydrate, Reagent, A.C.S

 

CAS # Chemical Formula F.W
10049-21-5 NaH2PO4.H2O  137.99
Catalog # Description Qty
0193 Sodium Phosphate, monobasic 500g

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Sucrose

Reagent, A.C.S.

 

CAS # Chemical Formula F.W
57-50-1 C12H22O11 342.20
Catalog # Description Qty
157 Sucrose, reagent 500g

 


Citric Acid, Anhydrous

Reagent, A.C.S

 

CAS # Chemical Formula F.W
77-92-9 C6H8O7 192.13
Catalog # Description Qty
145 Citric Acid, Anhydrous 500g

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Maleic Acid, Crystalline

Repurified, A.C.S

 

CAS # Chemical Formula F.W
110-16-7 HOOCCH:CHCOOH 116.08
Catalog # Description Qty
191 Maleic Acid, Crystalline 250g

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Potassium Chloride, Crystal

Reagent, A.C.S.

 

CAS # Chemical Formula F.W
7447-40-7 KCl 74.55
Catalog # Description Qty
192 Potassium Chloride, crystal 100g

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Hepes, Crystal

Biological Buffer

(N-2-Hydroxyethylpiperazine-Nā€™-2-Ethanesulfonic acid)

 

CAS # Chemical Formula F.W
7365-45-9 C8H18O4N2S 238.30
Catalog # Description Qty
193 Hepes, Crystal, Biological buffer 25g

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Pipes

1.5 Sodium Salt, Crystal

[Piperazine-N,N-bis(2-ethanesulfonic acid,)1.5 Sodium]

Useful pH range from 6.4 - 7.2

 

CAS # Chemical Formula F.W
10010-67-0  335.3
Catalog # Description Qty
194 Pipes, crystal 25g

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Tris (Hydroxymethyl) Aminomethane

Free-base, Reagent Grade
White crystalline powder.

 

CAS # Chemical Formula F.W
77-86-1 C4H11NO3 121.14

Catalog #

Description

Qty

195

Tris buffer, crystalline

100g

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Tannic Acid

Reagent, A.C.STannic Acid

 

 

Low molecular weight, suitable
for electron microscopy.
Mordant used in combination with Glutaraldehyde and
Osmium fixatives to improve
membrane contrast.

CAS # Chemical Formula F.W
1401-55-4 Gallotannin; Chiefly (C14H10O9)n range:1000.00 -1500.00
Catalog # Description Qty
143 Tannic Acid 100g

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