Glycerine
to HPMA
Glycerine, Reagent, A.C.S.
(Glycerol)
C3H5(OH)3 F.W. 92.10 CAS #56-81-5
| Specific Gravity: 1.23 | ||
| Assay | <99.5% | |
| Residue after Ignition | 0.005% | |
| Chlorinated Compounds(as Cl) | 0.003% | |
| Sulfate | To Pass Test | |
| Heavy Metals (as Pb) | 0.0002% |
| RT | 16550 | 450ml | 35.00 |  |
(GMA), Glycol-Methacrylate, Low Acid
(2-Hydroxyethyl methacrylate monomer, inhibited;HEMA)
C6H10O3 F.W. 130.14 CAS#868-77-9
Specific Gravity: 1.07
b.p. 67°C
Inhibited with approximately 330ppm MEHQ
A water soluble monomer.
| RT | 16800 | 450ml | 30.00 | |
Article of Interest
Preparation of Glycol Methacrylate
GMA Embedding Kit
Please see listing in Embedding Media Kits.
| 14200 | kit | 46.00 | |
GMA-PEG Embedding Kit Polyethylene Glycol- Glycol methacrylate mixture.
Please see listing in Embedding Media Kits.
| 14250 | kit | 47.00 | |
Gold Chloride, Hydrate(Chloroauric Acid; Hydrogen
Tetrachloroaurate)
H(AuCl4)·H2O F.W. 357.79 CAS #16961-25-4
Assay 99.9985%
Gold contents 49%+
A highly purified gold compound for the preparation of Colloidal Gold
sols. Preweighed to facilitate your work. (Preparation instructions for
Gold Sols included)
| RT | 16580 | 10x1/10g | 36.00/bx | |
|
| RT | 16582 | 10x1/2g | 176.00/bx | |
|
| RT | 16583 | 1g | 36.00/g | |
|
| RT | 16584 | 10x1g | 350.00/bx | |
Gold Chloride Solutions
Please see listing in Reagents for Histology .
Tannic Acid, used to prepare gold sols
Please see listing in Chemicals.
Gram's Iodine
For use as a bacterial, fungal and inclusion body stain.
| RT | 26054-05 | Gram's Iodine Solution | 500ml | 20.00 | Add to Cart |
| RT | 26054-06 | Gram's Iodine Solution | 1 L | 31.00 | Add to Cart |
Graphite Adhesives
Please see listing in Colloidal Compounds.
Gum Mastic
Please see listing in Reagents for Histology .
HANKS's Balanced Salt Solution (HBSS)
All of our Hanks’ Balanced Salt Solutions contain: Potassium Chloride, Potassium Phosphate Monobasic, Sodium Chloride, Sodium Phosphate Dibasic, and D-Glucose. Some formulations may contain additional components. Use the table below as a quick reference for identifying the one that best suits your application. All solutions are prepared in 1X strength.
| Ingredients | F.W. | Formula I | Formula II | Formula III |
| KCl | 74.56 | X | X | X |
| NaCl | 58.44 | X | X | X |
| Na2HPO4. 7H2O | 268.07 | X | X | X |
| D-Glusose | 180.16 | 2 g/L | 1 g/L | ---- |
| MgSO4. 7H2O | 246.48 | X | X | X |
| CaCl2, 2H2O | 147.02 | X | X | X |
| NaHCO3 | 84.01 | X | X | X |
| KH2PO4 | 136.09 | X | X | X |
| Phenol Red | 0.02 g/L | 0.02 g/L | 0.015 g/L |
| RT | 11768-05 | HBSS, Formula I | 500ml | 16.00 | |
| RT | 11768-10 | HBSS, Formula I | 1 L | 21.00 | |
| RT | 11769-05 | HBSS, Formula II | 500ml | 16.00 | |
| RT | 11769-10 | HBSS, Formula II | 1 L | 21.00 | |
| RT | 11770-05 | HBSS, Formula III | 500ml | 16.00 | |
| RT | 11770-10 | HBSS, Formula III | 1 L | 21.00 | |
Harris’ Hematoxylin
Stain selectivity for nuclei, fat and lipids. Ready-to-use.
| RT | 26041-05 | Harris' Hematoxylin | 500ml | 32.00 | Add to Cart |
| RT | 26041-06 | Harris' Hematoxylin | 1 L | 55.00 | Add to Cart |
| RT | 26041-20 | Harris Hematoxylin without Mercury | 500 ml | 30.00 | Add to Cart |
Hematoxylin, Certified, C.I.#75290
(Natural Black I, Hydroxybrasilin)
C16H14O6 F.W. 302.29 CAS
#517-28-2
Solubility: 10.0% Water; 10.0% Alcohol; 9.5% Cellosolve; 10%
Glycol; 0.0% Xylene. A certified biological stain used in histology
and cytology and plastic embedded tissues.
Chen, Chang, S., J Arch. of Path., 93,334 (1972).
| RT | 16620 | 10g | 24.00 | |
Technical Tip
Hepes 0.2M Buffer Solution
Please see listing in Prepared Buffers.
| RT | 11494 | 500ml | 16.00 | |
Hepes, Crystal, Biological Buffer
(N-2-Hydroxyethylpiperazine-N'-2-Ethanesulfonic acid)
C8H18O4N2S F.W. 238.30 CAS
#7365-45-9
| Assay | >99% | |
| pKa @20°C | 7.55 | |
| pH Range | 7.0-8.0 | |
| A(260) (1.0M in H2O) | <0.05 | |
| Ash | <0.1% | |
| Good's buffer. |
| RT | 16780 | 25g | 14.50 | |
|
| RT | 16782 | 100g | 52.00 | |
(HMDS), Hexamethyldisilazane, Reagent
(CH3)3SiNHSi(CH3)3 F.W. 161.40 CAS
#999-97-3
b.p. 126.7°C
Assay >97.0%
Specific Gravity @25°C 0.774
Refractive Index @20°C: 1.407
* For fast preparation of soft insect tissues for SEM. A good substitution
for critical point drying. Int. J. Insect Morh. Embryol., 12(4), 201 (1983)
Stain Tech., 58(6), 347 (1983)
* Bray, D.F., Et-al. (1993). Micros. Res. and Technique. 26:489-495. A comparison
of HMDS, Peldri II, and critical point drying methods for SEM of biological
specimens.
| RT | 16700 | 100ml | 17.00 | |
,Hexamethylenetetramine A.C.S. Reagent,
Granular
(Urotropine; Methenamine)
C6N4 F.W. 140.19 CAS #100-97-0
Assay: 99.0-100.5%
Specifications:
| Residue after Ignition | 0.1% | |
| Chloride | 0.014% | |
| Sulfate | To Pass Test | |
| Heavy Metals. | 0.001% |
Used in silver stains.
Swift, J.A. (1968) Microsc. Soc. 88, 449.
| RT | 16710 | 50g | 11.00 | |
|
| RT | 16710-25* | 25g | 6.00 | |
*We are now offering Hexamethylenetetramine in 25 ml bottles to avoid its classification as a hazardous chemical for shipping purposes.
Hexylene Glycol, Reagent, A.C.S.
(2-Methyl-2,4-pentanediol)
(CH3)2C(OH)CH2CH(OH)CH3 F.W.
118.18 CAS #107-41-5
Specific Gravity @25°C 0.923
A.C.S. Specifications:
| Assay | 99% | |
| IR Spectrum | To Pass Test | |
| Refractive Index @20°C | 0.921-0.923 |
Mixed with water in all proportions. Used as a dehydrating agent for fat tissues.
| RT | 16740 | 450ml | 23.00 | |
|
| RT | 16750 | 4x450ml | 88.00 | |
HPMA Embedding Kit
Please see listing in Embedding Media Kits.
| RT | 14220 | kit | 39.00 | |
