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High purity solvents |
Items 76 à 90 de 267 |
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les prix sont en dollars canadiens
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Chloroform | Molecular Formula | CHCl3 |
Molecular Weight | 119.38 |
Molecular Weight | 1.492 |
At temp | 20 |
Boiling point | 60-62 °C |
Melting point | -63 °C |
UN No. | 1888 |
Chemical Abstract Number | 67-66-3 |
Density (g/ml @ 25 °C) Densité | 1.471-76 |
Colour (APHA) Couleur | 10 |
Acetone & aldehydes (CH3)2CO) | T.P.T. |
Acid/Acide & Chloride/Chlorure | T.P.T. |
Free Chlorine/Chlore libre | T.P.T. |
Lead (Pb) Plomb | 0.000005% |
Evaporation residue/Résidu d'évaporation | 0.001% |
Subs. darkened by sulfuric acid/ | |
Subs. noircie par l'acide sulfurique | T.P.T. |
Suitability for Dithizone test/ | |
Utilisable pour le test Dithizone | T.P.T. |
Optical Absorbance Optique | |
nm 750-290 270 265 260 250 245 | |
A 0.01 0.03 0.05 0.10 0.50 1.00 | |
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C3305-500ML |
price on request |
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Cyclohexane | Molecular Formula | CH2(CH2)4CH2 |
Molecular Weight | 84.16 |
Molecular Weight | 0.779 |
At temp | 20 |
Boiling point | 80.7-81 °C |
Melting point | 6.5 °C |
UN No. | 1145 |
Chemical Abstract Number | 110-82-7 |
Meets A.C.S. specs./Conformes aux normes A.C.S.Assay (%) Teneur | 99.95 |
Colour (APHA) Couleur | 5 |
Evaporation residue/Résidu d'évaporation | 1 ppm |
Water (H2O) Eau | 0.0010% |
Optical Absorbance Optique | |
202 nm | 0.815 |
205 nm | 0.728 |
210 nm | 0.539 |
240 nm | 0.016 |
254 nm | 0.001 |
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C7952-1L |
131.42 |
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C7952-4L |
348.10 |
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Cyclohexane (Glass Distilled) | Molecular Formula | CH2(CH2)4CH2 |
Molecular Weight | 84.16 |
Molecular Weight | 0.779 |
At temp | 20 |
Boiling point | 80.7-81 °C |
Melting point | 6.5 °C |
UN No. | 1145 |
Chemical Abstract Number | 110-82-7 |
Nonvolatile matter/Matières nonvolatiles | 0.0005% |
Suitable for pesticide residue analysis/ | |
Approprié pour anal. des résidus pest. | |
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C7953-1L |
128.14 |
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C7953-4L |
339.39 |
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C7954 |
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CYCLOHEXANE/SPECTRO |
Cyclohexane | Molecular Formula | CH2(CH2)4CH2 |
Molecular Weight | 84.16 |
Molecular Weight | 0.779 |
At temp | 20 |
Boiling point | 80.7-81 °C |
Melting point | 6.5 °C |
UN No. | 1145 |
Chemical Abstract Number | 110-82-7 |
Meets A.C.S. specs./Conforme aux normes A.C.S.Assay (C6H12) Teneur | _ 99.0% |
Appearance/Aspect | Clear/Claire |
Colour (APHA) Couleur | 10 |
Boiling range (incl 80.7 +/- 0.1 °C)/ | |
Ecart d'ébullition | 2.0 °C |
Evaporation residue/Résidu d'évaporation | 0.001% |
Substances darkened by H2SO4/ | |
Substances noircies par H2SO4 | T.P.T. |
Water (H2O) Eau | 0.02% |
Maximum Absorbance Maximum at/à (nm) | |
300-400 260 250 240 230 220 210 | |
0.01 0.02 0.03 0.08 0.2 0.5 1.0 | |
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C7954-1L |
126.18 |
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C7954-4L |
334.33 |
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C7954-500ML |
price on request |
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D2623 |
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1,2-DICHLOROETHANE/SPEC |
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D2733 |
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DICHLOROMETHANE/HPLC |
Dichloromethane | Molecular Formula | CH2Cl2 |
Molecular Weight | 84.93 |
Molecular Weight | 1.32 |
At temp | 20 |
Boiling point | 39.75 °C |
Melting point | -95 °C |
UN No. | 1593 |
Chemical Abstract Number | 75-09-2 |
Assay (%) Teneur | 99.9 |
Color (APHA) Couleur | 10 |
Evaporation residue/résidu d'évaporation | 3 ppm |
Water (H2O) | 0.01% |
Optical Absorbance Optique | |
232 nm | 1.000 |
240 nm | 0.100 |
254 nm | 0.010 |
280 nm | 0.005 |
300 nm | 0.005 |
350 nm | 0.003 |
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D2733-1L |
193.76 |
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D2733-4L |
378.55 |
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Dichloromethane (Glass Distilled) | Molecular Formula | CH2Cl2 |
Molecular Weight | 84.93 |
Molecular Weight | 1.32 |
At temp | 20 |
Boiling point | 39.75 °C |
Melting point | -95 °C |
UN No. | 1593 |
Chemical Abstract Number | 75-09-2 |
Nonvolatile matter/Matières nonvolatiles | 5 ppm |
Suitable for pesticide residue analysis/ | |
Approprié pour l'analyse des résidus | |
pesticides. | |
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D2734-1L |
186.04 |
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D2734-4L |
363.37 |
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D2735 |
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DICHLOROMETHANE/SPECTRO |
Dichloromethane | Molecular Formula | CH2Cl2 |
Molecular Weight | 84.93 |
Molecular Weight | 1.32 |
At temp | 20 |
Boiling point | 39.75 °C |
Melting point | -95 °C |
UN No. | 1593 |
Chemical Abstract Number | 75-09-2 |
Appearance/Aspect | Clear/Claire |
Boiling range(39.8°C) Ecart d'ébullition | 1 °C |
Color (APHA) Couleur | 10 |
Density (g/ml @ 25 °C) Densité | 1.315-321 |
Titratable acid (meq/g) Acidité | 0.0003 |
Free halogens/Halogènes libres | T.P.T. |
Evaporation residue/Résidu d'évaporation | 0.002% |
Water (H2O) Eau | 0.02% |
Optical Absorbance Optique | |
750-340 nm | 0.01 |
260 nm | 0.04 |
250 nm | 0.10 |
240 nm | 0.35 |
235 nm | 1.00 |
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