Chemicals and reagents

iron(ii) sulfate 7-hydrate С129

Europe

Different packaging sizes

1,10-Phenanthroline 1-hydrate for analysis, ACS 131321

itwreagents

redox indicator
Minimum assay (Perchl. Ac.): 99.0%
Identity: IR passes test
Suitability: as redox indicator: passes test
Maximum limit of impurities
Residue on ignition (as SO4): 0.1 %
Sensitivity to Fe: passes test
Cu: 0.002 %
Fe: 0.001 %
Ni: 0.002 %
Pb: 0.002 %

1,2-Dichloroethane (Reag. Ph. Eur.) for analysis, ACS 3454

Europe

Main substance min. 99%
Water max.0.05%
Free acids meq/g max. 0.0005
Residue after evaporation max.0.005%
Boiling point 83.48oC
Melting point -35.66oC
Solubility in water /20oC/ 8 g/l
Free acids max.0.005%

1,2-Dichloroethane for UV, IR, HPLC, GPC 1.13713

Europe

Main substance min. 99.8%
Water max.0.05%
Acidity (μEq/g) max.0.0005
Residue after evaporation max.0.0005%
UV - absorption:
240 nm max. 0.30
250 nm max. 0.07
270 nm max. 0.009

1,2-Propanediol (USP, BP, Ph. Eur., JP) pure, pharma grade 141545

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Minimum assay (G.C.): 99.5%
Identity according to Pharmacopoeias:: passes test
Density 25/25: 1.035-1.037
Density 20/20: 1.035-1.040
Range of Distillation (min. 95%): 184-189°C
Refractive Index n 20/D: 1.431-1.433
Maximum limit of impurities
Appearance: passes test
Acidity (Ph. Eur.): passes test
Acidity (USP, JP): passes test
Reducing substances: passes test
Residue on ignition (as SO4): 0.005 %
Chloride (Cl): 0.007%
Sulfate (SO4): 0.002%
Oxidizing substances: passes test
Residual solvents (Ph.Eur/USP): passes test
Glycerol: passes test
Ethylenglycol: 0.10%
Diethyleneglycol: 0.10%
Water (H2O): 0.1 %

1,2-dichloroethane С111

Europe

Main substance: 99%
Water: 0.05%
Free acids: 0.0005
Residue after evaporation: 0.005%
Boiling point 83.48oC
Melting point 35.66oC
Solubility in water/20 C/ - 8 g/l
Free acids: 0.005%

Different packaging sizes

1,3-Dichlorobenzene for synthesis 803225

MERCK

Assay (GC, area%) 99.5 %
Density (d 20 °C/ 4 °C) 1.288
Identity (IR) passes test

1,3-diphenylguanidine 15234

Europe

assay ≥99.5% (HPLC)
technique(s) titration: suitable
mp 149-150 °C
application(s)
cleaning products
cosmetics
food and beverages
personal care

1,4-Dioxan stabilized with ~ 25 ppm of BHT (Reag. Ph. Eur.) for analysis, ACS, ISO 131296

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Panreac 131296

Minimum assay (G.C.): 99.5%
Identity: IR passes test
Density 20/4: 1.032-1.034
Freezing point: ≥ 11.0°C
Maximum limit of impurities
APHA colour: 10
Acidity: 0.0016 meq/g
Non-volatile matter: 0.005 %
Carbonyl compounds (as HCHO): 0.01%
Peroxides (as H2O2): 0.005 %*
Acetal (G.C.): 0.05%
Acetaldehyde (G.C.): 0.005%
Water (H2O): 0.05 %
Metals by ICP [in mg/Kg (ppm)]
Ag: 0.05

1,4-butanediol, 99% for synthesis 15A597

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Content (G.C.): 99%
Identity: IR passes the test
Density 20/4: 1.015-1.016
Water (H2O): 0.3%

Medical consumables