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Coomassie brilliant blue G 250
C.I NO: 42655
C
47
H
48
N
3
NaO
7
S
2
CAS-No: 6104-58-1
EC-No: 228-058-4
EC index No: -
M= 854.04 g/mol
Solubility in H
2
O -
Colour: Dark brown powder
Odour: -
pH value: Not applicable
Melting point: -
-
H-STATEMENT/EUH: -
HS-CODE: 3204.1200
LGK: 10-13
911.D02
Coomassie brilliant blue G 250 -
(C.I. 42655) for electrophoresis
Specification
Appearance
Dark brown colored powder
Identity (UV/VIS-Spectrum)
passes test
Absorption maxima max
(buffer pH 7.0)
577 - 584 nm
Spec. AbsorptivityA1%/1cm
( max; 0.01 %; buffer pH 7.0 )
520 - 570
TLC-Test
passes test
Loss on drying
8 %
Suitability for electrophoresis
passes test
catalogue
number
911.D02.0010
911.D02.0025
911.D02.0050
911.D02.0100
packing
specs
plastic bottle
plastic bottle
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
6 pieces
6 pieces
weight
in pack
10 g
25 g
50 g
100 g
Coomassie brilliant blue R 250
C.I NO: 42660
C
45
H
44
N
3
NaO
7
S
2
CAS-No: 6104-59-2
EC-No: 228-060-5
EC index No: -
M= 825.99 g/mol
Solubility in H
2
O Soluble in water
Colour: Brownish purple
Odour: -
pH value: Not applicable
Melting point: -
-
H-STATEMENT/EUH: -
HS-CODE: 3204.1200
LGK: 10-13
911.D03
Coomassie brilliant blue R 250 -
(C.I. 42660) for gel electrophoresis
Specification
Appearance
Brownish purple powder
Identity (UV/VIS-Spectrum)
passes test
Absorption maxima max.
(buffer pH 7.0)
554 - 563 nm
Spec. AbsorptivityA1%/1cm
( max; 0.025 %; buffer pH 7.0)
300
Loss on drying
5 %
Suitability for electrophoresis
passes test
catalogue
number
911.D03.0010
911.D03.0025
911.D03.0050
911.D03.0100
packing
specs
plastic bottle
plastic bottle
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
6 pieces
6 pieces
weight
in pack
10 g
25 g
50 g
100 g
911.026
Copper (II) sulfate pentahydrate -
For analysis ACS,ISO,Reag. Ph Eur
Specification
Assay (iodometric)
99.0 - 100.5 %
Appearance
Blue crystalline powder
Identification
passes test
Insoluble matter
0.005 %
Chloride (Cl)
0.0005 %
Total nitrogen (N)
0.001 %
Ca (Calcium)
0.005 %
Fe (Iron)
0.003 %
K (Potassium)
0.001 %
Na (Sodium)
0.005 %
Ni (Nickel)
0.005 %
Pb (Lead)
0.005 %
Zn (Zinc)
0.03 %
catalogue
number
911.026.0250
911.026.0500
911.026.1000
packing
specs
plastic bottle
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
6 pieces
weight
in pack
250 g
500 g
1 kg
Copper (II) sulfate pentahydrate
CuO
4
S*5H
2
O
CAS-No: 7758-99-8
EC-No: 231-847-6
EC index No: 029-004-00-0
M= 249.68 g/mol
Vapour Pressure: 9.7 hPa (25°C)
Specific density: 2.284 g/cm
3
(20°C)
Flash point: -
Solubility in H
2
O 317 g/l (20°C)
pH value: 3.5 - 4.5 (50 g/l, H
2
O, 20°C)
Melting point: 110°C
Bulk density: -
Boiling point: not applicable
Ignition temperature: -
Explosive limit: not applicable
Viscosity kinematic: -
Harmful , dangerous for the environment
H-STATEMENT/EUH: H302;315;319;410 /
P273;302+352;305+351+338
Test Type: LD50 Oral rat; LD 50 dermal rat
Results: 960 mg/kg; > 2000 mg/kg
HS-CODE: 2833 25 00
LGK: 10 - 13 Disposal: 15
WGK: 3 UN: 3077
911.022
Copper (II) sulfate pentahydrate -
Extra pure
Specification
Assay
98.0 %
Fe (Iron)
0.01 %
Free acid (H
2
SO
4
)
0.1 %
Contents of insoluble residue
0.2 %
catalogue
number
911.022.0500
911.022.1000
packing
specs
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
weight
in pack
500 g
1 kg