72 / 101
960.046
Potassium chromate
-
For analysis ACS, Reag. Ph Eur
Specification
Assay (iodometric)
99.5 - 100.5 %
In water insoluble matter
0.003 %
pH-value (5 %; water)
9.0 - 9.8
Chloride (Cl)
0.001 %
Sulphate (SO
4
)
0.01 %
Ca (Calcium)
0.005 %
Na (Sodium)
0.02 %
Pb (Lead)
0.005 %
Loss on drying
0.5 %
catalogue
number
960.046.0250
960.046.0500
960.046.1000
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
Potassium chromate
CrK
2
O
4
CAS-No: 7789-00-6
EC-No: 232-140-5
EC index No: 024-006-00-8
M= 194.19 g/mol
Vapor Pressure: low
Specific density: 2.73 g/cm
3
(18°C)
Flash point: -
Soluble in H
2
O 637 g/l (20°C)
pH value 8.6 - 10 ( %5)
Melting point: 985°C
Bulk density: 1400 kg/m
3
Boiling point: 1000°C
Ignition temperature: -
Explosive limit: -
Viscosity kinematic: -
carcinogenic, mutagenic, irritant, sensitizing,
dangerous for the environment
H-STATEMENT/EUH: H340;350i;315;317;
319; 335; 410 / P201;273;280;302+352; 305+
351+388;308+313
Test Type: - Results: -
HS-CODE: 2841 50 00 LGK: 6.1 B
Disposal: 22 WGK: 3 UN: 3288
960.056
Potassium dichromate
-
For analysis ACS, ISO, Reag. Ph Eur
Specification
Assay (iodometric, calc. on dried subs.) 99.9 %
Insoluble matter
0.003 %
Chloride (Cl)
0.001 %
Sulphate (SO
4
)
0.005 %
Ca (Calcium)
0.002 %
Cu (Copper)
0.001 %
Fe (Iron)
0.001 %
Na (Sodium)
0.02 %
Pb (Lead)
0.005 %
Loss on drying (130°C)
0.05 %
catalogue
number
960.056.0500
960.056.1000
packing
specs
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
weight
in pack
500 g
1 kg
Potassium dichromate
Cr
2
K
2
O
7
CAS-No: 7778-50-9
EC-No: 231-906-6
EC index No: 024-002-00-6
M= 294.19 g/mol
Vapor Pressure: not applicable
Specific density: 2.7 g/cm
3
(20 °C)
Flash point: not applicable
Soluble in H
2
O 115 g/l
pH value 3.6 (100 g/l, H
2
O)
Melting point: 398 °C
Bulk density: 1250 kg/m
3
Boiling point: >500°C (1013 hPa)
Ignition temperature: not applicable
Explosive limit: not applicable
Viscosity kinematic: -
carcinogenic, mutagenic, toxic for reproduction,
oxidizing, very toxic
H-STATEMENT/EUH: H272;301;312;314;
317; 330; 334;335;340;350;360FD;372;410 /
P201;221;273;280;301+330+331;302+352;304
+340;305+351+338;308+310
Test Type: LD50 oral rat; LD50 dermal rabbit
Results: 90.5 mg/kg ; 403-490 mg/kg
HS-CODE: 2841 50 00 LGK: 5.1 B
Disposal: 22 WGK: 3 UN: 3086
Potassium dihydrogen phosphate
H
2
KO
4
P
CAS-No: 7778-77-0
EC-No: 231-913-4
EC index No: -
M= 136.09 g/mol
Vapor Pressure: -
Specific density: 2.33 g/cm
3
(21.5°C)
Flash point: not applicable
Soluble in H
2
O 208 g/l (20°C)
pH value 4.2 - 4.6 (20 g/l, H
2
O, 20°C)
Melting point: 253°C (decomposition)
Bulk density: 1200 kg/m
3
Boiling point: not applicable (decomposition)
Ignition temperature: not applicable
Explosive limit: not applicable
Viscosity kinematic: -
-
H-STATEMENT/EUH: -
Test Type: LD50 oral rat; LD50 dermal rabbit
Results: >2000 mg/kg, 4640 mg/kg
HS-CODE: 2835 24 00
LGK: 10-13
Disposal: 14
WGK: 1 UN: -
960.066
Potassium dihydrogen phosphate
-
Cryst. For analysis ISO
Specification
Assay (KH
2
PO
4
, calculated
on dried substance)
99.5 - 100.5 %
pH-value (5 %; water)
4.2 - 4.5
Solubility
passes test
Chloride (Cl)
0.0005 %
Sulphate (SO
4
)
0.003 %
Total nitrogen
0.001 %
Heavy metals (as Pb)
0.001 %
As (Arsenic)
0.0002 %
Cd (Cadmium)
0.0001 %
Cu ( Copper)
0.0003 %
Fe (Iron)
0.001 %
Hg (Mercury)
0.0001 %
Na (Sodium)
0.02 %
Pb (Lead)
0.001 %
Reducing substances
passes test
Loss on drying
0.2 %
catalogue
number
960.066.0250
960.066.0500
960.066.1000
960.066.5000
packing
specs
plastic bottle
plastic bottle
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
6 pieces
1 piece
weight
in pack
250 g
500 g
1 kg
5 kg