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Eosin Yellow
C.I NO: 45380
C
20
H
6
Br
4
Na
2
O
5
CAS-No: 17372-87-1
EC-No: 241-409-6
EC index No: -
M= 691.86 g/mol
Solubility in H
2
O -
Colour: Brownish red
Odour: -
pH value: Not applicable
Melting point: -
Irritant
H-STATEMENT/EUH: H319 / P280; 264;305
+ 351+338;337+313
HS-CODE: 3204.1200
LGK: 10-13
919.D03
Eosin Yellow -
(C.I. 45380) for microscopy
Specification
Appearance
Brownish red finepowder
Dyecontent (Spectrophotometry)
90 %
Absorption maxima
515 - 518 nm
Absorptivity
(A1 %, 1cm in water at max)
1200 - 1400
Loss on drying (110°C)
8 %
Solubility 0.1 % (Water)
Clear solution
Suitability for microscopy
passes test
Copper (Cu)
0.005 %
Iron (Fe)
0.005 %
Nickel (Ni)
0.005 %
Lead (Pb)
0.005 %
catalogue
number
919.D03.0010
919.D03.0025
919.D03.0050
919.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
Eosin alcohol soluble
C.I NO: 45386
C
22
H
11
Br
4
KO
5
CAS-No: 6359-05-3
EC-No: 228-793-0
EC index No: -
M= 714.03 g/mol
Solubility in H
2
O Freely soluble
Colour: Black
Odour: -
pH value: Not applicable
Melting point: 275°C
-
H-STATEMENT/EUH: -
HS-CODE: 3204.9000
LGK: -
919.D01
Eosin alcohol soluble -
For microscopical staining
Specification
Appearance Brown todarkbrown (Red), powder Absorptionmaxima
524 - 527 nm
catalogue
number
919.D01.0010
919.D01.0025
919.D01.0050
919.D01.0100
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
Eosin Blue
C.I NO: 45400
C
20
H
6
Br
2
N
2
Na
2
O
9
CAS-No: 548-24-3
EC-No: 208-943-1
EC index No: -
M= 624.06 g/mol
Solubility in H
2
O -
Colour: Black
Odour: -
pH value: Not applicable
Melting point: -
-
H-STATEMENT/EUH: H318 /
P280;305+351+338;310
HS-CODE: 3204.1200
LGK: 10-13
919.D02
Eosin Blue -
(C.I.45400) for microscopy
Specification
Appearance Brown to dark green powder
Dye content (by gravimetric)
85 %
Absorption maximum in water 517 - 520 nm
Absorptivity (A1 % 1cm in water)
800
Loss on drying (110°C)
8 %
Suitability for microscopy
passes test
Solubility 0.1 % (Water)
Clear solution
catalogue
number
919.D02.0010
919.D02.0025
919.D02.0050
919.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