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Methyl violet
C.I NO: 42535
-
CAS-No: 8004-87-3
EC-No: -
EC index No: -
M= -
Soluble in H
2
O Soluble in water
Colour: Dark green crystalline
Odour: -
pH value Not applicable
Melting point: 137°C
Harmful
H-STATEMENT/EUH: H318;302;410 / P280;
273;264;270;301+312;391;305+351+338;501
HS-CODE: 3204.1300
LGK: - UN: 3077
947.D03
Methyl violet -
(C.I. 42535) for microscopy
Specification
Appearance Dark green crystalline powder
Absorption maxima in ethanol 583 - 587 nm
Absorptivity (1 % 1 cm, max. )
1600
Ratio max.P ± 15nm
1.060 - 1.190
Loss on drying (At 110°C)
10 %
catalogue
number
947.D03.0010
947.D03.0025
947.D03.0050
947.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
Methylene blue
C.I NO: 52015
C
16
H
18
ClN
3
S * H
2
O
CAS-No: 122965-43-9
EC-No: 200-515-2
EC index No: -
M= 319.86 g/mol
Soluble in H
2
O Soluble in water
Colour: Dark green
Odour: Odorless
pH value Not applicable
Melting point: 190°C
Harmful
H-STATEMENT/EUH: H302 / P264;
270;301+312;501
HS-CODE: 3204 1300
LGK: 10 - 13
947.D04
Methylene blue -
(C.I. 52015) for microscopy
Specification
Appearance A dark green colored powder
Dye content
about 82 %
Absorptionmaxima in%50 ethanol 660 - 665 nm
Specific absorptivity at absorb.
max 0.003g/l in ethanol
2250 - 2750
Loss on drying (110°C; 1hr)
10 - 15 %
catalogue
number
947.D04.0010
947.D04.0025
947.D04.0050
947.D04.0100
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
Methylthymol blue sodium salt
C
37
H
40
N
2
Na
4
O
13
S
CAS-No: 1945-77-3
EC-No: 217-743-3
EC index No: -
M= 844.76 g/mol
Vapor Pressure: -
Specific density: 1.1 g/cm
3
(20°C)
Flash point: -
Soluble in H
2
O 460 g/l at 20°C
pH value 6.2 (10 g/l, H²O, 20°C)
Melting point: -
Bulk density: 570 kg/m
3
Boiling point: -
Ignition temperature: -
Explosive limit: -
Viscosity kinematic: -
-
H-STATEMENT/EUH: -
Test Type: -
Results: -
HS-CODE: 2934 99 90
LGK: 10-13
Disposal: 3
WGK: - UN: -
947.07P
Methylthymol blue sodium salt -
metal indicator
Specification
Identity (UV/VIS-Spectrum)
passes test
Absorption maximum 1
(buffer pH 7.0)
602 - 606 nm
Absorption maximum 2
(buffer pH 7.0)
430 - 450 nm
Spec. AbsorptivityA1%/1cm
( 1max; 0.04 g/l; buffer pH 7.0;
calc. on dried substance)
60
Spec. AbsorptivityA1%/1cm
( 2max; 0.04 g/l; buffer pH 7.0;
calc. on dried substance)
85
Loss on drying (50°C/ < 1 hPa; 3h)
7 %
Suitability as indicator
(for metal titration)
passes test
catalogue
number
947.07P.0011
947.07P.0051
packing
specs
glass bottle
glass bottle
pack
in box
6 pieces
6 pieces
weight
in pack
10 g
50 g
947.D05
Methylene blue -
(C.I. 52015) AR for microscopy
Specification
Appearance A dark green coloured powder
Assay
95.0 - 101.0 %
Identity
passes test
Solubility
passes test
Methanol insoluble substances
1.0 %
Related substances
passes test
Iron (Fe)
0.01 %
Lead (Pb)
0.001 %
Zinc (Zn)
0.001 %
Sulphated ash (at 600°C)
0.25 %
Loss on drying(105°C,18 hrs)
8.0 - 22.0 %
catalogue
number
947.D05.0010
947.D05.0025
947.D05.0050
947.D05.0100
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