66 / 101
Oxalic acid dihydrate
(COOH)
2
*2H
2
O
CAS-No: 6153-56-6
EC-No: 205-634-3
EC index No: 607-006-00-8
M= 126.07 g/mol
Vapor Pressure: 21 hPa (50°C)
Specific density: 1.65 g/cm
3
(20°C)
Flash point: 157°C (decomposition)
Soluble in H
2
O >102 g/l (20°C)
pH value 1 (10 g/l, H
2
O) 20°C
Melting point: 101°C
Bulk density: -
Boiling point: 149-160°C (1013 hPa) (decomp.)
Ignition temperature: not applicable
Explosive limit: -
Viscosity kinematic: -
Harmful
H-STATEMENT/EUH: H302+312;318 /
P280;302+352;305+351+338;313
Test Type: -
Results: -
HS-CODE: 2917 11 00
LGK: 8 A Disposal: 3
WGK: 1 UN: 3261
Orcein
C.I NO: -
-
CAS-No: 1400-62-0
EC-No: -
EC index No: -
M= -
Soluble in H
2
O Insoluble in water
Colour: Black
Odour: Odorless
pH value Not applicable
Melting point: -
Harmful
H-STATEMENT/EUH: H319 / P280;
264;305+351+338;337+313
HS-CODE: 3203 0010
LGK: 10-13
957.D02
Orcein -
For microscopy
Specification
Appearance Darkbrown toblack-purplishpowder
Absorption in NaOH 0.01 mol/L 575 - 582 nm
Specific absorptivity
500
Loss on drying
7 %
catalogue
number
957.D02.0010
957.D02.0025
957.D02.0050
957.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
Orange G indicator
C.I NO: 16230
C
16
H
10
N
2
Na
2
O
7
S
2
CAS-No: 1936-15-8
EC-No: 217-705-6
EC index No: -
M= 452.37 g/mol
Soluble in H
2
O 70 g/l at 20°C
Colour: Orange powder
Odour: Odorless
pH value Not applicable
Melting point: -
-
H-STATEMENT/EUH: -
HS-CODE: 3204 1200
LGK: 10-13
957.D01
Orange G indicator -
(C.I. 16230) for microscopy
Specification
Appearance
Orange powder
Dye content
80 %
Absorption maxima in water
476 - 481 nm
Absorptivity
380
Loss on drying (110°C)
15 %
catalogue
number
957.D01.0010
957.D01.0025
957.D01.0050
957.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
957.016
Oxalic acid dihydrate -
For analysis ACS, ISO, Reag. Ph Eur
Specification
Assay (oxidimetric)
99.5 - 102.5 %
Insolublematter
0.005 %
Chloride (Cl)
0.0005 %
Sulphate (SO
4
)
0.005 %
Total nitrogen (N)
0.001 %
Heavy metals (as Pb)
0.0005 %
Ca (Calcium)
0.001 %
Fe (Iron)
0.0002 %
Readily carbonisable substance passes test
Residue on ignition (as sulphate)
0.01 %
catalogue
number
957.016.0100
957.016.0500
957.016.1000
packing
specs
plastic bottle
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
6 pieces
weight
in pack
100 g
500 g
1 kg