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Magnesium sulfate heptahydrate
MgO
4
S*7 H
2
O
CAS-No: 10034-99-8
EC-No: 231-298-2
EC index No: -
M= 246.48 g/mol
Vapor Pressure: < 0.13 hPa at 20°C
Specific density: 1.68 g/cm
3
(20°C)
Flash point: Not applicable
Soluble in H
2
O 710 g/l (20°C)
pH value 5.0 - 8.0 (50 g/l, H
2
O, 25°C)
Melting point: -
Bulk density: 900 kg/m
3
Boiling point: -
Ignition temperature: -
Explosive limit: not applicable
Viscosity kinematic: -
-
H-STATEMENT/EUH: -
Test Type: -
Results: -
HS-CODE: 2833 21 00
LGK: 10 - 13
Disposal: 14
WGK: 1 UN: -
946.016
Magnesium sulfate heptahydrate -
For analysis ACS,Reag. Ph Eur
Specification
Assay (complexometric)
99.5%
Assay (complexometric;
calculated on dried substance) 99.0 - 100.5%
Identification
passes test
Appearance of solution
passes test
Insolublematter
0.005 %
Acidity or alkalinity
passes test
pH-value (5%; water)
5.0 - 8.0
Chloride (Cl)
0.0003 %
Total nitrogen (N)
0.002 %
Nitrate (NO
3
)
0.002 %
Heavy metals (as Pb)
0.0005 %
As (Arsenic)
0.0002 %
Ca (Calcium)
0.005 %
Cu (Copper)
0.0001 %
Fe (Iron)
0.0001 %
K (Potassium)
0.001 %
Mn (Manganese)
0.0005 %
Na (Sodium)
0.001 %
NH
4
(Ammonium)
0.002 %
Pb (Lead)
0.0001 %
Sr (Strontium)
0.005 %
Loss on drying (400°C)
48.0 - 52.0%
catalogue
number
946.016.0500
946.016.1000
packing
specs
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
weight
in pack
500 g
1 kg
Malachite green
C.I NO: 42000
C
52
H
54
N
4
O
12
CAS-No: 2437-29-8
EC-No: 219-441-7
EC index No: 602-096-00-5
M= 927.01 g/mol
Soluble in H
2
O Soluble in water
Colour: Green crystalline powder
Odour: Odorless
pH value Not applicable
Melting point: 164°C
Harmful, Dangerous for the environment
H-STATEMENT/EUH: H318;302;410 / P280;
273;264;270;301+312;391;305+351+338;501
HS-CODE: 3204.1300
LGK: 6.1C
UN: 2811
946.D01
Malachite green -
(C.I. 42000) for microscopy
Specification
Appearance
Green crystalline powder
Absorption max.
616 - 620 nm
Absorptivity A at max.
1450
Ratio of max.P ± 15nm
1.00 - 1.15
Loss on drying (at 110 °C)
7 %
catalogue
number
946.D01.0010
946.D01.0025
946.D01.0050
946.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
May and Grunwald’s stain
C.I NO: -
-
CAS-No: -
EC-No: -
EC index No: -
M= -
Soluble in H
2
O Soluble in water
Colour: Dark green powder
Odour: Alcohol odor
pH value Not applicable
Melting point: -
Irritant
H-STATEMENT/EUH: H302;319 / P280;
264;270;301+312;305+351+338;337+313;501
HS-CODE: 3204.1900
LGK: 10-13
946.D02
May and Grunwald’s stain -
For microscopy
Specification
Appearance
A dark green powder
Loss on drying (at 105 °C)
10 %
Absorbance maxima at 1
648 - 653 nm
Absorbance maxima at 2
520 - 525 nm
Specific absorptivityA1%/1 cmat 1 1100 - 1300
Specific absorptivityA1%/1 cmat 2 600 - 800
catalogue
number
946.D02.0010
946.D02.0025
946.D02.0050
946.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