Chemicals
(B)
With the partnership of LACH:NER – a Czech chemical company
INDEX
BARBITURIC ACID
BARIUM CARBONATE
BARIUM HYDROXIDE OCTAHYDRATE
BARIUM CHLORIDE DIHYDRATE
BARIUM SULFATE
BATHOPHENANTHROLINE
BENZALDEHYDE
BENZENE
BISMUTH (III) NITRATE BASIC
BENZOIC ACID
BENZYL ALCOHOL
BORIC ACID
BROMOPHENOL BLUE
BROMOTHYMOL BLUE
BUTAN-1-OL
BUTAN-2-OL
2
2
2
3
3
3
4
4
4
5
5
5
6
6
7
7
1
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CHEMICALS (B)
BARBITURIC ACID
Specifications :
C4H4N2O3
CAS: 67-52-7
EINECS: 200-658-0
Melting point: 250 - 253 °C
Molecular weight: 128.09
RTECS code: CP8000000
Solubility: readily soluble in hot water
Use: analytical reagent, e.g. for the determination of cyanides,
preparation of plastics, pharmaceutical productions
Apperance: colourless crystals or white to yellowish powder
Specifications :
Ordering information :
G.R. cat.No. 10015-AP0
Assay-min. 99 %
Melting point-250 - 253 °C
10015-AP0-G0100-1
100 g
BARIUM CARBONATE
BaCO3
CAS:513-77-9
EINECS:208-167-3
Melting point:1400 - 1740 °C
ADR/RID:6.1
RTECS code:CQ8600000
Solubility:insoluble in water
Use:analytical reagent, preparation of other barium compounds,
glass industry, production of ceramics
Apperance:white powder
Ordering information :
G.R. cat.No. 30208-AP0
Assay-min. 98.5 %
Iron (Fe)-max. 0.005 %
Lead (Pb)-max. 0.005 %
Chlorides (Cl)-max. 0.03 %
Ca, Sr (as SO4)-max. 0.25 %
30208-AP0-G0500-1
30208-AP0-G1000-1
500 g
1000g
BARIUM HYDROXIDE OCTAHYDRATE
Specifications :
Ba(OH)2.8H2O
CAS:12230-71-6/2
EINECS:241-234-5
Melting point:78 °C
Molecular weight:315.48
ADR/RID:6.1
Boiling point:>95 °C
Solubility:soluble in alcohol
Use:analytical reagent, organic syntheses, refining of lipids,
detection of CO2, production of other barium compounds, corrosion
inhibitor
Apperance:colourless crystals or white powder absorbing carbon
dioxide
Ordering information :
G.R. cat.No. 10002-AP0
Assay-min. 98 %
Iron (Fe)-max. 0.005 %
Lead (Pb)-max. 0.005 %
Chlorides (Cl)-max. 0.005 %
10002-AP0-G0250-1
10002-AP0-G0500-1
2
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250 g
500 g
CHEMICALS (B)
BARIUM CHLORIDE DIHYDRATE
Specifications :
BaCl2.2H2O
CAS:10326-27-9
EINECS:233-788-1
Melting point:960 °C
Molecular weight:244.28
ADR/RID:6.1
RTECS code:CQ8751000
Boiling point:1560 °C
Solubility:readily soluble in water
Use:analytical reagent, e.g. determination of sulphates, pharmaceutical productions, production of other compounds of barium
Apperance:colourless crystals or white powder
Specifications :
Assay-min. 99 %
Iron (Fe)-max. 0.005 %
Lead (Pb)-max. 0.005 %
pH (5 %, H2O)-5 - 8
30072-AP0-G0500-1
30072-AP0-G1000-1
500 g
1000 g
BARIUM SULFATE
BaSO4
CAS:7727-43-7
EINECS:231-784-4
Melting point:1380 °C
Molecular weight:233.40
RTECS code:CR0600000
Solubility:insoluble in water
Use:analytical reagent, paper industry, additive for paints and
colour lacquers, pharmaceutical productions (protective coatings
against X-rays)
Apperance:colourless crystals or white powder
Specifications :
Ordering information :
G.R. cat.No. 30072-AP0
Ordering information :
G.R. cat.No. 30166-AP0
Iron (Fe)-max. 0.005 %
Lead (Pb)-max. 0.005 %
Chlorides (Cl)-max. 0.1 %
Loss on ignition (600°C)-max. 2.0 %
30166-AP0-G0500-1
30166-AP0-G1000-1
500 g
1000 g
BATHOPHENANTHROLINE
C24H16N2
CAS:1662-01-7
EINECS:216-767-1
Melting point:218 - 220 °C
Molecular weight:332,41
RTECS code:SF8427000
Solubility:insoluble in water, soluble in alcohol and chloroform
Use:analytical reagent for colorimetric or spectrometric
determination of trace amounts of iron, e.g. in biochemical
materials, indirect photometric determination of hydrogen peroxide
Apperance:white to yellowish crystalline powder
Ordering information :
G.R. cat.No. 40011-AP0
Assay – no information
40011-AP0-G0010-1
3
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10 g
CHEMICALS (B)
BENZALDEHYDE
Specifications :
C7H6O
CAS:100-52-7
EINECS:202-860-4
Density:1l~1,05 kg
Melting point:-26 °C
Molecular weight:106.12
ADR/RID:9
RTECS code:CU4375000
Boiling point:177 - 179 °C
Solubility:hardly soluble in water, miscible with alcohol and ether
Use:solvent, organic syntheses – blocking of amine groups, aromatic
alcohols, pharmaceutical productions
Apperance:clear, colourless or light yellowish liquid
Specifications :
Ordering information :
G.R. cat.No. 40012-AT0
Assay-min. 99 %
Refractive index-1.544 - 1.546
volné kyseliny (j. C6H5COOH)-max. 1 %
40012-AT0-M1000-1
BENZENE
C6H6
CAS:71-43-2
EINECS:200-753-7
Density:1l~0,88 kg
Flash point:-11 °C
Melting point:6 °C
Molecular weight:78.12
ADR/RID:3
RTECS code:CY1400000
Boiling point:80 °C
Solubility:insoluble in water, miscible with alcohol and ether
Use:solvent, organic syntheses, electronics industry
Apperance: clear, colourless liquid
Ordering information :
G.R. cat.No. 20007-AT0
Assay-min. 99.8 %
Crystalllization point-min. +5.4 °C
Cloud temperature-max. +10 °C
Total sulphur-max. 0.0001 %
Tiophene-max. 0.0001 %
20007-AT0-M1000-1
1000 ml
20007-AT0-M5000-1
5000 ml
Pure cat.No. 20007-CT0
Assay-min. 99.7 %
Crystalllization point-min. +5.4 °C
Cloud temperature-max. +10 °C
Total sulphur-max. 0.0003 %
Tiophene-max. 0.0002 %
20007-CT0-M1000-1
Specifications :
1000 ml
1000 ml
BISMUTH (III) NITRATE BASIC
4BiNO3(OH)2.BiO(OH)
CAS:1304-85-4
EINECS:215-136-8
Melting point:260 °C
ADR/RID:5.1
Solubility:insoluble in water and alcohol, soluble in mineral acids
Use:analytical reagent, production of cosmetics, pharmaceutical
productions, production of other compounds of bismuth
Apperance:white powder, hygroscopic
Ordering information :
pure cat.No. 30028-CP0
Assay-69.5 - 72.5 % Bi
Chlorides (Cl)-max. 0.1 %
Sulfates (SO4)-max. 0.1 %
Alkality and caustic earth-max. 2 %
Insoluble substances in HNO3-max. 0.05 %
30028-CP0-G1000-1
4
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1000 g
CHEMICALS (B)
BENZOIC ACID
Specifications :
C7H6O2
CAS:65-85-0
EINECS:200-618-2
Melting point:122 °C
Molecular weight:122.12
Boiling point:249 °C
Solubility:soluble in hot water and alcohol
Use:analytical reagent - e.g. volumetric standard, colorimetric
analyses, food industry (preservation), pharmaceutical productions
Apperance:colourless crystals or white powder
Ordering information :
G.R. cat.No. 10016-AP0
Assay-min. 99.5 %
Halogenates compounds-max. 0.1 %
Sulfate ash-max. 0.005 %
10016-AP0-G0500-1
10016-AP0-G1000-1
500 g
1000 g
pure cat.No. 10016-CP0
Assay-min. 99 %
Sulfate ash-max. 0.01 %
10016-CP0-G0500-1
500 g
BENZYL ALCOHOL
Specifications :
C7H8O
CAS:100-51-6
EINECS:202-859-9
Density:1l~1,04 kg
Melting point:-15 °C
Molecular weight:108.14
RTECS code:DN3150000
Boiling point:205 °C
Solubility:miscible with water, alcohol and acetone
Use:analytical reagent, e.g. for microscopy, organic syntheses,
antimicrobial preparation, solvent for gelatine, casein,
acetylcellulose, shellac, production of perfumes, epoxy resins
Apperance:clear, colourless syrupy liquid
Ordering information :
G.R. cat.No. 20009-AT0
Assay-min. 99 %
Heavy metals (as Pb)-max. 0.00001 %
Benzaldehydes-max. 0.5 %
volné kyseliny (j. C6H5COOH)-max. 0.03 %
Halogensloučeniny (j. Cl)-max. 0.025 %
Residue after ignition-max. 0.005 %
20009-AT0-M1000-1
1000 ml
pure cat.No. 20009-CT0
Assay-min. 98 %
20009-CT0 –M1000-1
500 ml
BORIC ACID
Specifications :
H3BO3
CAS:10043-35-3
EINECS:233-139-2
Melting point:185 °C
Molecular weight:61.83
RTECS code:ED4550000
Solubility:soluble in water and alcohol
Use:analytical reagent, preparation of buffers, oxidation catalyst,
decarboxylation reactions, production of others boron compounds,
pharmaceutical productions (eye waters)
Apperance:colourless crystals or white powder
Ordering information :
G.R. cat.No. 10017-AP0
Assay-min. 99.5 %
Insoluble substances in H2O-max. 0.005 %
Chlorides (Cl)-max. 0.001 %
Sulfates (SO4)-max. 0.015 %
Substances nonvolative with ethanol-max. 0.3 %
10017-AP0-G0500-1
10017-AP0-G1000-1
5
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500 g
1000 g
CHEMICALS (B)
BORIC ACID
Specifications :
H3BO3
CAS:10043-35-3
EINECS:233-139-2
Melting point:185 °C
Molecular weight:61.83
RTECS code:ED4550000
Solubility:soluble in water and alcohol
Use:analytical reagent, preparation of buffers, oxidation catalyst,
decarboxylation reactions, production of others boron compounds,
pharmaceutical productions (eye waters)
Apperance:colourless crystals or white powder
Ordering information :
pure cat.No. 10017-CP0
Assay-min. 98.5 %
Insoluble substances in H2O-max. 0.02 %
Chlorides (Cl)-max. 0.002 %
Sulfates (SO4)-max. 0.02 %
10017-CP0-G1000-1
Ph. Eur. cat.No. 10017-FP0
Assay-99.0 %-100.5 %
Appearance of solution-čirý, bezbarvý
Heavy metals-max. 15 ug/g
Identity-max. 15 ug/g
Sulfates (SO4)-max. 450 ug/g
pH-3.8-4.8
10017-FP0-G1000-9
Specifications :
1000 g
1000 g
BROMOPHENOL BLUE
Ordering information :
indicator cat.No. 40097-IP0
C19H10Br4O5S
CAS:115-39-9
EINECS:204-086-2
Melting point:273 °C
RTECS code:SJ7453000
Solubility:hardly soluble in water and alcohol
Use:acid-base indicator
Apperance:light orange-yellow powder
Colour transition-pH 3.0 - 4.6
40097-IP0-G0100-1
100 g
BROMTHYMOL BLUE
Specifications :
Ordering information :
indicator cat.No. 40098-IP0
C27H28Br2O5S
CAS:76-59-5
EINECS:200-971-2
Molecular weight:624.41
Solubility:practically insoluble in water, soluble in alcohol
Use:acid-base indicator
Apperance:reddish pink or brownish powder
Sulfate ash-max. 0.1 %
pH-6.0 - 7.6
40098-IP0-G0025-1
6
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25 g
CHEMICALS (B)
BUTAN-1-OL
Specifications :
C4H10O
CAS:71-36-3
EINECS:200-751-6
Density:1l~0,81 kg
Flash point:34 °C
Melting point:-89 °C
Molecular weight:74.12
ADR/RID:3
RTECS code:EO1400000
Boiling point:117 °C
Solubility:miscible with alcohol
Use:extraction reagent, organic syntheses, e.g. production of esters
and lacquers
Apperance:clear, colourless liquid
Ordering information :
G.R. cat.No. 20010-AT0
Assay-min. 99 %
Water (KF)-max. 0.2 %
Free acids (as CH3COOH)-max. 0.005 %
Nonvolative residue-max. 0.003 %
20010-AT0-M1000-1
pure cat.No. 20010-CT0
Assay-min. 98 %
Water (KF)-max. 0.5 %
Refractive index-1.399 - 1.401
20010-CT0-M1000-1
1000 ml
HPLC cat.No. 20010-LT0
Assay-min. 99.8 %
Water (KF)-max. 0.03 %
Non-volative subst.-max. 0.0005 %
Wavelenght (nm)-Propustnost (min. %)
260nm-95%
250nm-90%
240nm-80%
Acidity (mEq/g)-max. 0.0005
20010-CT0-M1000-1
Specifications :
1000 ml
1000 ml
BUTAN-2-OL
C4H10O
CAS:78-92-2
EINECS:201-158-5
Density:1l~0,81 kg
Flash point:23 °C
Melting point:-114 °C
Molecular weight:74.12
ADR/RID:3
RTECS code:EO1750000
Boiling point:100 °C
Solubility:easily soluble in water, miscible with alcohol and ether
Use:organic syntheses, solvent for paints, lacquers, resins
Apperance:clear, colourless liquid
Ordering information :
G.R. cat.No. 20011-AT0
Assay-min. 99 %
Nonvolative substances-max. 0.005 %
H2O (K.F.)-max. 0.1 %
n20/D-1.396 - 1.398
Free acids (as C3H7COOH)-max. 0.01 %
20011-AT0-M1000-1
1000 ml
purum cat.No. 20011-VT0
Density (20°C)-0.805 - 0.808
H2O (K.F.)-max. 0.2 %
IR spectrum-souhlasí
Refractive index (n 20/D)-1.3960 - 1.3980
Assay (GC)-min. 98.5 %
20011-VT0-M1000-1
7
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1000 ml